{"title":"ER70S-6 MIG Welding Wire \u0026 TIG Rod (SuperArc L-56)","description":"\u003cp style=\"font-size:0.9em;margin-bottom:12px;\"\u003e← \u003ca href=\"\/collections\/welding-wire\" title=\"All Welding Wire\"\u003eAll Welding Wire\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eER70S-6 is a classification in \u003cstrong\u003eAWS A5.18\/A5.18M, Specification for Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding\u003c\/strong\u003e, which covers solid carbon steel electrodes and rods for gas metal arc (GMAW), gas tungsten arc (GTAW) and plasma arc (PAW) welding. Every product on this page carries the ER70S-6 designation in its AWS classification field.\u003c\/p\u003e\n\n\u003ch2\u003eHow to read the ER70S-6 designation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eER\u003c\/strong\u003e — the filler metal is classified as both an electrode and a rod, so the same product may be used as MIG wire or as TIG filler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70\u003c\/strong\u003e — 70,000 psi (480 MPa) minimum tensile strength in the AWS A5.18 tension test.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e — solid wire, as opposed to a composite or metal-cored electrode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6\u003c\/strong\u003e — the chemical composition class within A5.18.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTrade names in this collection\u003c\/h2\u003e\n\u003cp\u003eER70S-6 is a specification class, not a brand, so it is sold under several trade names. This collection holds the ER70S-6 products stocked here, including Lincoln Electric \u003cstrong\u003eSuperArc® L-56®\u003c\/strong\u003e, \u003cstrong\u003eSuperArc® L-59®\u003c\/strong\u003e, \u003cstrong\u003eSuperArc® LA-56\u003c\/strong\u003e and \u003cstrong\u003eS6\u003c\/strong\u003e, plus \u003cstrong\u003eHarris ER70S-6\u003c\/strong\u003e and \u003cstrong\u003eTechniweld ER70S-6\u003c\/strong\u003e. If you searched for “L-56” or “SuperArc L-56”, this is the ER70S-6 class those products belong to.\u003c\/p\u003e\n\n\u003ch2\u003eMIG wire and TIG rod on one page\u003c\/h2\u003e\n\u003cp\u003eBecause the AWS classification prefix is \u003cem\u003eER\u003c\/em\u003e, this page lists both MIG (GMAW) wire spools, reels, drums and bulk packages and TIG (GTAW) cut-length rod carrying the same ER70S-6 classification. Filter by diameter and package size to reach the exact item you need.\u003c\/p\u003e\n\n\u003cp\u003eSeveral Lincoln SuperArc L-56 packages carry a second classification, \u003cstrong\u003eEH11K\u003c\/strong\u003e under AWS A5.17, for submerged arc use; those products appear in this collection under their ER70S-6 classification and also in the submerged arc listings.\u003c\/p\u003e\n","products":[{"product_id":"lincoln-ed033840-superarc-orbital-l-56-n-tig-gtaw-welding-wire-0-035-in-2-lb-plastic-spool","title":"Lincoln Electric SuperArc ED033840 TIG Rod 0.035\" – 2 lb","description":"\u003ch2\u003eLincoln Electric — Lincoln ED033840 SuperArc Orbital L-56 N TIG GTAW Welding Wire, 0.035 in, Four 2 lb Plastic Spools\u003c\/h2\u003e\n\u003cp\u003eSuperArc® Orbital TIG L-56 N from Lincoln Electric is a PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the automaticTIG process.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCONFORMANCES:\u003c\/strong\u003e SPECIFICATION, CLASSIFICATION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAWS:\u003c\/strong\u003e AWS A5.18, ER70S-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e Shielding Gas, Polarity, Yield Strength @ 0.2% Offset, MPa (ksi), Tensile Strength, MPa (ksi), Elongation, %, Charpy V-Notch, J (ft-lbs) @ -30°C (-20°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eER70S-6 Requirement:\u003c\/strong\u003e 100% Ar, DC-, 400 (58) min., 480 (70) min., 22 min., 27 (20) min.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical Result, As-welded:\u003c\/strong\u003e 100% Ar, DC-, 520 (75), 620 (90), 32, 325-385 (240-284)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e %C, %Cr, %Mn, %Mo, %Ni, %P, %S, %Si, %V, %Total Cu\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eER70S-6 Requirement:\u003c\/strong\u003e 0.06 - 0.15, 0.15 max., 1.40 - 1.85, 0.15 max., 0.15 max., 0.025 max., 0.035 max., 0.80 - 1.15, 0.03 max., 0.50 max.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical Result:\u003c\/strong\u003e 0.09, 0.02, 1.45, 0.00 max., 0.01, 0.004, 0.010, 0.83, 0.00 max., 0.16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLECO Diameter:\u003c\/strong\u003e 0.035 in (0.9 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLECO Package:\u003c\/strong\u003e (4) 2 lb Plastic Spool\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter (in):\u003c\/strong\u003e 0.035\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ED033840\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\/EAN:\u003c\/strong\u003e 0015082547657\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eTIG (GTAW) filler rods are used in the gas tungsten arc welding process, where the welder manually feeds the rod into the weld pool while maintaining the arc with the torch. TIG welding produces the highest quality, lowest spatter welds and is the process of choice for precision work on stainless, aluminum, titanium, and exotic alloys.\u003c\/p\u003e\n\u003ch3\u003eCompatibility \u0026amp; sizing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible families: SuperArc\u003c\/li\u003e\n  \u003cli\u003eElectrode type: TIG Rod\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy pros choose this\u003c\/h3\u003e\n\u003cp\u003eTIG (GTAW) filler rods give welders precise control over the weld pool because the filler is fed manually rather than carried in the arc. Choosing the correct alloy and diameter keeps weld chemistry, penetration, and bead appearance consistent across procedures.\u003c\/p\u003e\n\u003ch3\u003eFrom the manufacturer\u003c\/h3\u003e\n\u003cp\u003eA PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the Automatic TIG process.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote: Contact Customer Service to inquire or order a specific batch\/lot.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ2 Lot® - certificate showing actual deposit composition and actual mechanical properties available online\u003c\/li\u003e\n\u003cli\u003eA PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the automatic TIG process\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":43638099771543,"sku":"ED033840","price":85.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed033840-superarc-orbital-l-56-n-tig-gtaw-welding-wire-0-035-in-2-lb-plastic-spool-lincoln-electric.jpg?v=1765594687"},{"product_id":"lincoln-ed033841-superarc-orbital-l-56-n-tig-gtaw-welding-wire-0-035-in-10-lb-spool","title":"Lincoln Electric SuperArc ED033841 TIG Rod 0.035\" – 10 lb","description":"\u003ch3\u003eLincoln ED033841 SuperArc Orbital L-56 N TIG GTAW Welding Wire, 0.035 in, 10 lb Spool\u003c\/h3\u003e\n\u003cp\u003eA PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the automaticTIG process.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ2 Lot® - certificate showing actual deposit composition and actual mechanical properties available online\u003c\/li\u003e\n\u003cli\u003eA PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the automatic TIG process\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"disclaimer\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":43638100951191,"sku":"ED033841","price":126.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed033841-superarc-orbital-l-56-n-tig-gtaw-welding-wire-0-035-in-10-lb-spool-lincoln-electric.jpg?v=1765594687"},{"product_id":"lincoln-ed036633-superarc-l-56-mig-gmaw-welding-wire-0-045-in-1000-lb-infinity-pak","title":"Lincoln ED036633 SuperArc L-56 MIG GMAW Mild Steel Welding Wire, 0.045 in, 1000 lb Infinity-Pak","description":"\u003cp\u003e\u003cstrong\u003eLincoln's premium copper coated MIG wire\u003c\/strong\u003e, SuperArc® L-56® is an excellent choice for welding on metals with a medium to high presence of millscale.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh levels of manganese and silicon deoxidizers tolerate medium to heavy mill scale surfaces\u003c\/li\u003e\n\u003cli\u003eExcellent toe-wetting provides optimal bead appearance\u003c\/li\u003e\n\u003cli\u003eCopper coated for long contact tip life\u003c\/li\u003e\n\u003cli\u003eSupports short-circuiting, globular, axial spray and pulsed spray transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":43639128195223,"sku":"ED036633","price":5211.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed036633-superarc-l-56-mig-gmaw-mild-steel-welding-wire-0-045-in-1000-lb-infinity-pak-lincoln-electric-1.jpg?v=1760720126"},{"product_id":"harris-er70s-6-mild-steel-gmaw-mig-welding-wire-045-44-spool-italian-wire-e70s6h9it","title":"Harris ER70S-6 Mild Steel MIG GMAW Welding Wire 0.045 in, 44 lb Spool Italian Welding Wire - E70S6H9IT","description":"\u003cp\u003e\u003cstrong\u003eER70S-6 mild steel GMAW (MIG) Italian wire alloy is a general purpose welding alloy for fabrication of mild steel\u003c\/strong\u003e. It contains more deoxidizers than ER70S-3. The additional deoxidizers also provide better wetting, giving a flatter bead shape and the capability of faster travel speeds. Usually used with 75\/25 (Argon\/Carbon Dioxide) shielding gas or with higher contents of Argon, such as 90\/10. It can also be used with 100% Carbon dioxide. Conveniently packaged for point-of-purchase display.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral purpose GMAW (MIG) welding wire for fabrication of mild steel\u003c\/li\u003e\n\u003cli\u003eContains the highest combination of silicon and manganese deoxidizers\u003c\/li\u003e\n\u003cli\u003eAdditional deoxidizers also provide better wetting, giving a flatter bead shape and the capability of faster travel speeds\u003c\/li\u003e\n\u003cli\u003eHigher deoxidizers allows for high current welding with CO2 shielding gas or ArCO2\u003c\/li\u003e\n\u003cli\u003eCan also be used with 100% CO2\u003c\/li\u003e\n\u003cli\u003ePrimarily used for multiple pass on steels where rusty and dirty surfaces are not cleaned before welding\u003c\/li\u003e\n\u003cli\u003eConforms to AWS A5.18 ER70S-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harris","offers":[{"title":"Default Title","offer_id":44258803941527,"sku":"E70S6H9IT","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/harris-er70s-6-mild-steel-gmaw-mig-welding-wire-045-44-spool-italian-welding-wire-e70s6h9it-harris-1.jpg?v=1753397476"},{"product_id":"harris-er70s-6-mild-steel-tig-rod-035-36in-10lb-box-e70s6f0","title":"Harris ER70S-6 Mild Steel TIG Rod .035 36in. 10LB Box - E70S6F0","description":"\u003ch3\u003eHarris ER70S-6 Mild Steel TIG Rod .035 36in. 10LB Box - E70S6F0\u003c\/h3\u003e\n\u003cp\u003eER70S-6 mild steel TIG (GTAW) welding rod is a general-purpose welding alloy for fabrication of mild steel. It contains more deoxidizers than ER70S-3. The additional deoxidizers also provide better wetting, giving a flatter bead shape and the capability of faster travel speeds. Usually used with 75\/25 (argon\/carbon dioxide) shielding gas or with higher contents of argon, such as 90\/10. It can also be used with 100% carbon dioxide.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral-purpose TIG (GTAW) welding rod for fabrication of mild steel\u003c\/li\u003e\n\u003cli\u003eContains the highest combination of silicon and manganese as deoxidizers\u003c\/li\u003e\n\u003cli\u003eThe deoxidizers provide better wetting, giving a flatter bead shape and the capability of faster travel speeds\u003c\/li\u003e\n\u003cli\u003ePermits high current welding with 100% carbon dioxide shielding gas or 75% argon\/25% carbon dioxide shielding gas\u003c\/li\u003e\n\u003cli\u003eGood out-of-position welding using short circuiting transfer\u003c\/li\u003e\n\u003cli\u003ePrimarily used for multiple pass on steels where rusty and dirty surfaces are not cleaned before welding\u003c\/li\u003e\n\u003cli\u003eMarked with model number on each end for easy identification after use\u003c\/li\u003e\n\u003cli\u003eConforms to AISI\/AWS A5.18 ER70S-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harris","offers":[{"title":"Default Title","offer_id":44258843656343,"sku":"E70S6F0","price":120.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/harris-er70s-6-mild-steel-tig-rod-035-36in-10lb-box-e70s6f0-harris-1.jpg?v=1753396290"},{"product_id":"harris-er70s-6-mild-steel-tig-alloy-045-x-36-x-10-pkg-e70s6h0","title":"Harris ER70S-6 Mild Steel TIG Alloy .045 X 36 X 10# PKG - E70S6H0","description":"\u003ch3\u003eHarris ER70S-6 Mild Steel TIG Alloy .045 X 36 X 10# PKG - E70S6H0\u003c\/h3\u003e\n\u003cp\u003eER70S-6 mild steel TIG (GTAW) alloy is a general-purpose welding alloy for fabrication of mild steel. It contains more deoxidizers than ER70S-3. The additional deoxidizers also provide better wetting, giving a flatter bead shape and the capability of faster travel speeds. Usually used with 75\/25 (argon\/carbon dioxide) shielding gas or with higher contents of argon, such as 90\/10. It can also be used with 100% carbon dioxide.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral-purpose TIG (GTAW) welding rod for fabrication of mild steel\u003c\/li\u003e\n\u003cli\u003eContains the highest combination of silicon and manganese as deoxidizers\u003c\/li\u003e\n\u003cli\u003eThe deoxidizers provide better wetting, giving a flatter bead shape and the capability of faster travel speeds\u003c\/li\u003e\n\u003cli\u003ePermits high current welding with 100% carbon dioxide shielding gas or 75% argon\/25% carbon dioxide shielding gas\u003c\/li\u003e\n\u003cli\u003eGood out-of-position welding using short circuiting transfer\u003c\/li\u003e\n\u003cli\u003ePrimarily used for multiple pass on steels where rusty and dirty surfaces are not cleaned before welding\u003c\/li\u003e\n\u003cli\u003eMarked with model number on each end for easy identification after use\u003c\/li\u003e\n\u003cli\u003eConforms to AISI\/AWS A5.18 ER70S-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harris","offers":[{"title":"Default Title","offer_id":44258847096983,"sku":"E70S6H0","price":116.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/harris-er70s-6-mild-steel-tig-alloy-045-x-36-x-10-pkg-e70s6h0-harris-1.jpg?v=1753396288"},{"product_id":"harris-er70s-6-mild-steel-tig-welding-rod-3-32-36in-10lb-box-e70s650","title":"Harris ER70S-6 TIG Rod 36\" – 10 lb","description":"\u003ch2\u003eWhat Is Harris ER70S-6 Mild Steel TIG Welding Rod?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHarris ER70S-6 Mild Steel TIG Welding Rod\u003c\/strong\u003e (part number E70S650) is a copper-coated mild steel filler metal classified \u003cstrong\u003eER70S-6 per AWS A5.18\/A5.18M\u003c\/strong\u003e. Available in a 3\/32 in (2.38 mm) diameter, 36-inch cut length, 10 lb box, this rod provides premium deoxidized weld deposits on mild steel, low-carbon steel, and structural steel plate using the gas tungsten arc welding (GTAW) process. Harris Products Group, a Lincoln Electric company, produces this ER70S-6 rod with tight manganese (1.40–1.85%) and silicon (0.80–1.15%) chemistry — the highest deoxidizer levels of the ER70S series — which makes it exceptionally tolerant of mill scale, slight rust, and surface oxides that would cause porosity with lower-deoxidized ER70S-2 or ER70S-3 rods. The result is a rod that produces smooth, bright, crack-free weld deposits even on less-than-perfect base metal surfaces, and provides reliable mechanical properties (≥70,000 psi tensile, ≥58,000 psi yield) in the as-welded condition.\u003c\/p\u003e\n\u003cp\u003eWhile ER70S-6 is best known as the dominant MIG wire classification for structural steel, the cut-rod TIG version is widely used for premium root-pass welding on carbon steel pipe, structural tubing welds requiring X-ray quality, and job shop TIG work on mild steel plate and fabrications where MIG setup is impractical. The 3\/32 in diameter is the production size for 1\/8 in–3\/8 in carbon steel plate, structural section, and pipe wall applications.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications \u0026amp; AWS Classification — ER70S-6 TIG Rod\u003c\/h2\u003e\n\u003ctable class=\"pdp-spec-table\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAWS Classification\u003c\/td\u003e\n\u003ctd\u003eER70S-6 (AWS A5.18\/A5.18M)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHarris Part Number\u003c\/td\u003e\n\u003ctd\u003eE70S650\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e3\/32 in (2.38 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCut Length\u003c\/td\u003e\n\u003ctd\u003e36 in (914 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePackage Weight\u003c\/td\u003e\n\u003ctd\u003e10 lb box\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCarbon Content\u003c\/td\u003e\n\u003ctd\u003e0.06–0.15%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eManganese\u003c\/td\u003e\n\u003ctd\u003e1.40–1.85%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSilicon\u003c\/td\u003e\n\u003ctd\u003e0.80–1.15%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePhosphorus (max)\u003c\/td\u003e\n\u003ctd\u003e0.025%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSulfur (max)\u003c\/td\u003e\n\u003ctd\u003e0.035%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCopper (max)\u003c\/td\u003e\n\u003ctd\u003e0.50% (includes copper coating)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTensile Strength (as welded)\u003c\/td\u003e\n\u003ctd\u003e≥70,000 psi (483 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYield Strength (as welded)\u003c\/td\u003e\n\u003ctd\u003e≥58,000 psi (400 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eElongation (as welded)\u003c\/td\u003e\n\u003ctd\u003e≥22%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eImpact Toughness (as welded)\u003c\/td\u003e\n\u003ctd\u003e≥27 J at −29°C (−20°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePolarity\u003c\/td\u003e\n\u003ctd\u003eDCEP or DCEN (DCEN preferred for TIG)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eShielding Gas\u003c\/td\u003e\n\u003ctd\u003e100% Argon or Ar\/CO₂ blends\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProcess\u003c\/td\u003e\n\u003ctd\u003eGTAW (TIG)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBase Metals\u003c\/td\u003e\n\u003ctd\u003eASTM A36, A53, A106, A516, A572, API 5L carbon and structural steels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eBest Applications for ER70S-6 Mild Steel TIG Welding Rod\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon Steel Pipe Root Passes:\u003c\/strong\u003e The primary structural TIG application for ER70S-6 3\/32 in rod is root pass welding on carbon steel pipe (API 5L Grade B, X42, X52, A106 Grade B) in 1–6 in NPS for process piping, fire protection, utilities, and general service. TIG root passes produce full-penetration, radiographically sound welds that SMAW or MIG fill\/cap passes are completed over — the most common pipe welding sequence on construction and shutdown projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStructural Steel Fabrication:\u003c\/strong\u003e TIG welding A36 and A572 structural steel plate, tube, and section in shop fabrication environments where weld quality exceeds typical MIG requirements. Column connections, moment frames, and crane runway connections sometimes specify TIG roots for quality assurance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Vessel \u0026amp; Boiler Plate:\u003c\/strong\u003e ASME Section VIII and Section I vessels in P-No. 1 (carbon steel) — GTAW root passes on nozzle connections, flange-to-shell, and head-to-shell seams where full penetration radiographic quality is required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRepair \u0026amp; Maintenance:\u003c\/strong\u003e Repair welding on carbon steel components, buildup of worn surfaces on mild steel machinery parts, and structural repair of beams and frames. TIG with ER70S-6 is particularly useful for repairs in confined spaces where MIG gun access is limited.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAerospace Structural Steel:\u003c\/strong\u003e Low-alloy carbon steel hardware and structural members in aircraft support equipment, tooling fixtures, and ground support equipment where weld quality documentation is required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Racing Fabrication:\u003c\/strong\u003e Chassis tubes, suspension components, and roll cage fabrication in 1010–1020 mild steel tube and sheet where TIG's clean deposit and precise heat control provide the cosmetic and mechanical quality required for competition vehicle certification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use Harris ER70S-6 TIG Rod — Settings, Gas \u0026amp; Polarity\u003c\/h2\u003e\n\u003cp\u003eMild steel TIG welding with 3\/32 in ER70S-6 uses DCEN polarity (same as stainless) with argon or argon-CO₂ shielding:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolarity — DCEN:\u003c\/strong\u003e DC electrode negative is standard for GTAW on carbon steel. DCEN concentrates 70% of the arc energy at the workpiece (better penetration) while keeping the tungsten cool. Do not use AC for mild steel TIG — it provides no benefit and produces an unstable arc.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShielding Gas:\u003c\/strong\u003e 100% argon is standard for mild steel GTAW and provides the cleanest arc starts and best bead appearance. Argon-CO₂ blends (75\/25 Ar\/CO₂) are sometimes used to increase deposition rate on heavy sections, but produce slightly higher spatter and darker bead color than pure argon. 100% argon at 18–22 CFH is the standard recommendation for 3\/32 in rod work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTungsten:\u003c\/strong\u003e 3\/32 in 2% ceriated or 2% lanthanated tungsten, sharpened to a 30–45° included angle point. For high-amperage heavy-plate work (above 200 A), 1\/8 in ceriated tungsten. The copper coating on ER70S-6 can deposit trace copper onto tungsten if the rod contacts the tungsten — if this occurs, replace or grind the tungsten tip back to clean metal.\u003c\/p\u003e\n\u003ctable class=\"pdp-spec-table\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaterial Thickness\u003c\/th\u003e\n\u003cth\u003eAmperage (DCEN)\u003c\/th\u003e\n\u003cth\u003eTravel Speed\u003c\/th\u003e\n\u003cth\u003ePasses\u003c\/th\u003e\n\u003cth\u003eAr Flow CFH\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e1\/8 in A36\u003c\/td\u003e\n\u003ctd\u003e100–140 A\u003c\/td\u003e\n\u003ctd\u003e5–8 in\/min\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e18–20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e3\/16 in carbon steel\u003c\/td\u003e\n\u003ctd\u003e140–180 A\u003c\/td\u003e\n\u003ctd\u003e4–6 in\/min\u003c\/td\u003e\n\u003ctd\u003e1–2\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e1\/4 in plate\u003c\/td\u003e\n\u003ctd\u003e170–210 A\u003c\/td\u003e\n\u003ctd\u003e4–5 in\/min\u003c\/td\u003e\n\u003ctd\u003e2–3\u003c\/td\u003e\n\u003ctd\u003e20–22\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePipe root pass (Sch 40)\u003c\/td\u003e\n\u003ctd\u003e70–110 A\u003c\/td\u003e\n\u003ctd\u003e3–4 in\/min\u003c\/td\u003e\n\u003ctd\u003eRoot only\u003c\/td\u003e\n\u003ctd\u003e18–20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eInterpass Cleaning:\u003c\/strong\u003e Unlike stainless, mild steel TIG weld deposits produce relatively little slag or silica islands. Light wire brushing or light grinding between passes on multi-pass work removes any surface silicate deposits and improves fusion on subsequent passes. For code-required radiographic quality (X-ray or UT), ensure full fusion at each pass and maintain specified preheat for the base metal thickness and chemistry.\u003c\/p\u003e\n\n\u003ch2\u003eStorage \u0026amp; Handling for ER70S-6 TIG Rod\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRust Prevention:\u003c\/strong\u003e ER70S-6 rod has a thin copper coating to protect against rust during storage. Store in original sealed box in a dry location (below 60% RH, above 40°F). Despite the copper coating, rust will develop on stored rods in humid environments. Rusty rods must not be used — the rust introduces hydrogen and oxygen into the weld pool, causing porosity and inclusions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Store at room temperature. Rod that has been stored in cold, damp conditions and brought indoors may condensate moisture on the copper coating — allow rods to reach room temperature before use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo Not Use Rusty Rod:\u003c\/strong\u003e Inspect rods before use. Light surface tarnish on the copper coating is acceptable. Red-orange rust spots on the underlying steel indicate the coating has been compromised — discard these rods or use only on non-code work where porosity inspection is not required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeparate from Stainless Rods:\u003c\/strong\u003e Do not store ER70S-6 mild steel rods in the same container as stainless TIG rods. Cross-contamination of mild steel rod with stainless weld joints, or vice versa, creates quality defects. Label storage clearly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Hydrogen Classification:\u003c\/strong\u003e ER70S-6 is not a low-hydrogen electrode in the same classification sense as E7018 stick electrodes. However, keeping rods dry and free from contamination is good practice for all filler metals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Machines \u0026amp; Base Metals for ER70S-6 TIG Rod\u003c\/h2\u003e\n\u003cp\u003eER70S-6 TIG rod works with any DC GTAW machine:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLincoln Electric Invertec V155-S:\u003c\/strong\u003e Compact, portable DC TIG\/SMAW machine suitable for pipe root passes and light structural TIG with ER70S-6.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLincoln Electric Square Wave TIG 200:\u003c\/strong\u003e Full AC\/DC machine; DC mode for ER70S-6 mild steel TIG. Suitable for shop structural and pipe root-pass work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLincoln Electric Precision TIG 225 \/ 275:\u003c\/strong\u003e Higher-capacity machines for production structural steel TIG work at 175–250 A continuous duty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"pdp-spec-table\"\u003e\n  \u003ctr\u003e\n\u003cth\u003eBase Metal\u003c\/th\u003e\n\u003cth\u003eER70S-6 Compatibility\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eASTM A36 structural steel\u003c\/td\u003e\n\u003ctd\u003e✅ Primary\u003c\/td\u003e\n\u003ctd\u003eStandard structural steel; ER70S-6 is default pre-qualified filler per AWS D1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eASTM A53 \/ A106 pipe\u003c\/td\u003e\n\u003ctd\u003e✅ Primary\u003c\/td\u003e\n\u003ctd\u003eCarbon steel pipe; standard root pass choice\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eASTM A516 Gr.70 (pressure vessel)\u003c\/td\u003e\n\u003ctd\u003e✅ Primary\u003c\/td\u003e\n\u003ctd\u003eNormalized carbon steel; ER70S-6 meets strength requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eASTM A572 Gr.50 HSLA\u003c\/td\u003e\n\u003ctd\u003e✅ Acceptable\u003c\/td\u003e\n\u003ctd\u003eHigher-strength base metal; ER70S-6 provides adequate weld metal strength for most joints\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAPI 5L Gr.B \/ X42 \/ X52 pipe\u003c\/td\u003e\n\u003ctd\u003e✅ Primary (with WPS)\u003c\/td\u003e\n\u003ctd\u003ePipeline root pass; verify WPS and CE (carbon equivalent) requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e1010–1020 mild steel tube\u003c\/td\u003e\n\u003ctd\u003e✅ Primary\u003c\/td\u003e\n\u003ctd\u003eAutomotive \/ chassis; excellent choice for TIG on thin-wall mild tube\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCast iron\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003eUse ENi-CI or ENiFe-CI for cast iron repair\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003eUse ER308L\/ER316L for stainless; ER309L for dissimilar carbon-to-stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFAQs — Harris ER70S-6 Mild Steel TIG Welding Rod\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between ER70S-6 and ER70S-2 or ER70S-3 TIG rod?\u003c\/strong\u003e\u003cbr\u003eThe number suffix designates the deoxidizer level. ER70S-6 has the highest Mn (1.40–1.85%) and Si (0.80–1.15%) levels of the common ER70S grades — making it the most tolerant of scale, rust, and surface contamination on the base metal. ER70S-2 and ER70S-3 have lower deoxidizer levels and produce cleaner (less silica) welds on very clean, freshly machined or ground base metal. For general structural steel work and pipe, ER70S-6 is the standard choice because real-world base metal surfaces are rarely perfectly clean. ER70S-2 is specified for some pipe applications (API requirements) requiring specific notch toughness at very low temperatures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I use ER70S-6 TIG rod for root passes on carbon steel pipe?\u003c\/strong\u003e\u003cbr\u003eYes. ER70S-6 is the most common GTAW filler for carbon steel pipe root passes (open butt, consumable insert, or backing ring configurations). Its high deoxidizer content produces porosity-resistant, radiographically sound root beads even on mill-scaled pipe OD\/ID surfaces. Verify the applicable WPS — most ASME and AWS pre-qualified procedures for P-No. 1 carbon steel allow ER70S-6 as an acceptable filler metal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Do I need to preheat carbon steel before TIG welding with ER70S-6?\u003c\/strong\u003e\u003cbr\u003ePreheating depends on the base metal thickness and carbon equivalent (CE). For A36 plate below 3\/4 in thickness and ambient temperature above 50°F, no preheat is typically required. For plate above 3\/4 in, A106 Grade B pipe above 1.5 in wall, A572 Grade 50, or any carbon steel in cold weather (below 40°F ambient), consult AWS D1.1 or ASME IX preheating requirements for the specific carbon equivalent. ER70S-6's good impact toughness (27 J at −29°C) ensures the weld metal is adequate even when moderate preheat is applied.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What shielding gas should I use for ER70S-6 TIG rod?\u003c\/strong\u003e\u003cbr\u003e100% argon is standard and recommended for most applications. Some welders use 75\/25 Ar\/CO₂ or 90\/10 Ar\/CO₂ blends on mild steel TIG to increase arc energy density and productivity on thick plate. These blends produce slightly darker bead color, more spatter, and higher silicon island formation, but provide adequate results on structural work. For code quality (X-ray\/UT), 100% argon typically produces the cleanest welds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Is ER70S-6 TIG rod suitable for welding A36 to A572 Grade 50 dissimilar mild steel?\u003c\/strong\u003e\u003cbr\u003eYes. ER70S-6 is an acceptable filler for welding A36 to A572 Gr.50 dissimilar mild steel joints. The minimum specified weld metal strength (70,000 psi) is \"matching\" strength for the lower-strength A36 member and \"undermatching\" for the A572 Gr.50 member. Per AWS D1.1, using a filler that matches the lower-strength base metal in a dissimilar joint is acceptable, as the joint design accounts for the lower-strength connection. Verify with the project structural engineer if the specific joint is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6: Can I weld galvanized mild steel with ER70S-6 TIG rod?\u003c\/strong\u003e\u003cbr\u003eTechnically yes, but with significant safety precautions. TIG welding galvanized steel at carbon steel melting temperatures vaporizes the zinc coating, generating zinc oxide fumes that cause zinc fume fever. Adequate ventilation or supplied-air respirator is mandatory. If minimum zinc fume is critical (automotive body panels), use silicon bronze TIG rod (ERCuSi-A) for braze-welding, which operates below steel melting temperature. ER70S-6 on galvanized is limited to structural applications where the zinc fume hazard is controlled.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7: What is the copper coating on ER70S-6 rod for?\u003c\/strong\u003e\u003cbr\u003eThe thin copper coating on ER70S-6 rod serves two purposes: (1) corrosion protection during storage and transit — the copper barrier slows rust formation on the steel rod surface, and (2) improved electrical contact in MIG wire feeders (the copper reduces drive roll wear and provides consistent contact-tip resistance). On TIG cut rods, the copper coating provides the same storage corrosion protection. The copper is consumed in the weld deposit — a maximum 0.50% Cu is allowed in the final chemistry per AWS A5.18, which is within the acceptable range for carbon steel weld metal.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between ER70S-6 and ER70S-2 or ER70S-3 TIG rod?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"ER70S-6 has the highest deoxidizer levels (Mn 1.40-1.85%, Si 0.80-1.15%) making it most tolerant of scale, rust, and surface contamination. ER70S-2 and ER70S-3 have lower deoxidizer levels and produce cleaner welds on freshly machined base metal. For general structural steel and pipe work, ER70S-6 is the standard choice.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use ER70S-6 TIG rod for root passes on carbon steel pipe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. ER70S-6 is the most common GTAW filler for carbon steel pipe root passes. Its high deoxidizer content produces porosity-resistant, radiographically sound root beads even on mill-scaled pipe surfaces. Verify the applicable WPS — most ASME and AWS pre-qualified procedures for P-No. 1 carbon steel allow ER70S-6.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need to preheat carbon steel before TIG welding with ER70S-6?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For A36 plate below 3\/4 in thickness at ambient above 50 degrees F, no preheat is typically required. For plate above 3\/4 in, A106 Grade B above 1.5 in wall, A572 Grade 50, or cold weather below 40 degrees F, consult AWS D1.1 or ASME IX preheating requirements for the specific carbon equivalent.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What shielding gas should I use for ER70S-6 TIG rod?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"100% argon is standard and recommended. Some welders use 75\/25 or 90\/10 Ar\/CO2 blends on thick plate for higher arc energy. For code quality X-ray or UT welds, 100% argon typically produces the cleanest deposits.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is ER70S-6 suitable for welding A36 to A572 Grade 50 dissimilar mild steel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. ER70S-6 at 70,000 psi minimum tensile matches A36 strength and undermatches A572 Grade 50. Per AWS D1.1, using a filler matching the lower-strength base metal in a dissimilar joint is acceptable when the joint design accounts for the lower-strength connection.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the copper coating on ER70S-6 rod for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The copper coating provides: (1) corrosion protection during storage by slowing rust formation on the steel rod, and (2) improved electrical contact in MIG wire feeders. On TIG cut rods, it serves primarily as storage corrosion protection. Maximum 0.50% Cu is allowed in the final weld deposit per AWS A5.18.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I weld galvanized mild steel with ER70S-6 TIG rod?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Technically yes, but zinc oxide fumes generated require adequate ventilation or supplied-air respirator. For automotive body panels where minimum zinc fume is critical, use ERCuSi-A silicon bronze TIG rod for braze-welding at below-steel-melting temperatures instead.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n","brand":"Harris","offers":[{"title":"Default Title","offer_id":44258850209943,"sku":"E70S650","price":60.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/harris-er70s-6-mild-steel-tig-welding-rod-332-36in-10lb-box-e70s650-harris-1.jpg?v=1753396064"},{"product_id":"harris-er70s-6-mild-steel-tig-rod-1-8-36in-10lb-box-e70s660","title":"Harris ER70S-6 TIG Rod 36\" – 10 lb","description":"\u003ch3\u003eHarris ER70S-6 Mild Steel TIG Rod 1\/8 36in. 10LB Box - E70S660\u003c\/h3\u003e\n\u003cp\u003eER70S-6 mild steel TIG (GTAW) welding rod is a general-purpose welding alloy for fabrication of mild steel. It contains more deoxidizers than ER70S-3. The additional deoxidizers also provide better wetting, giving a flatter bead shape and the capability of faster travel speeds. Usually used with 75\/25 (argon\/carbon dioxide) shielding gas or with higher contents of argon, such as 90\/10. It can also be used with 100% carbon dioxide.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral-purpose TIG (GTAW) welding rod for fabrication of mild steel\u003c\/li\u003e\n\u003cli\u003eContains the highest combination of silicon and manganese as deoxidizers\u003c\/li\u003e\n\u003cli\u003eThe deoxidizers provide better wetting, giving a flatter bead shape and the capability of faster travel speeds\u003c\/li\u003e\n\u003cli\u003ePermits high current welding with 100% carbon dioxide shielding gas or 75% argon\/25% carbon dioxide shielding gas\u003c\/li\u003e\n\u003cli\u003eGood out-of-position welding using short circuiting transfer\u003c\/li\u003e\n\u003cli\u003ePrimarily used for multiple pass on steels where rusty and dirty surfaces are not cleaned before welding\u003c\/li\u003e\n\u003cli\u003eMarked with model number on each end for easy identification after use\u003c\/li\u003e\n\u003cli\u003eConforms to AISI\/AWS A5.18 ER70S-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harris","offers":[{"title":"Default Title","offer_id":44258850308247,"sku":"E70S660","price":58.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/harris-er70s-6-mild-steel-tig-rod-18-36in-10lb-box-e70s660-harris-1.jpg?v=1753396065"},{"product_id":"harris-er70s-6-mild-steel-tig-welding-rod-5-32-36in-10lb-box-e70s670","title":"Harris ER70S-6 TIG Rod 36\" – 10 lb","description":"\u003ch3\u003eHarris ER70S-6 Mild Steel TIG Welding Rod 5\/32 36in. 10LB Box - E70S670\u003c\/h3\u003e\n\u003cp\u003eER70S-6 mild steel TIG (GTAW) alloy is a general-purpose welding alloy for fabrication of mild steel. It contains more deoxidizers than ER70S-3. The additional deoxidizers also provide better wetting, giving a flatter bead shape and the capability of faster travel speeds. Usually used with 75\/25 (argon\/carbon dioxide) shielding gas or with higher contents of argon, such as 90\/10. It can also be used with 100% carbon dioxide.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral-purpose TIG (GTAW) welding rod for fabrication of mild steel\u003c\/li\u003e\n\u003cli\u003eContains the highest combination of silicon and manganese as deoxidizers\u003c\/li\u003e\n\u003cli\u003eThe deoxidizers provide better wetting, giving a flatter bead shape and the capability of faster travel speeds\u003c\/li\u003e\n\u003cli\u003ePermits high current welding with 100% carbon dioxide shielding gas or 75% argon\/25% carbon dioxide shielding gas\u003c\/li\u003e\n\u003cli\u003eGood out-of-position welding using short circuiting transfer\u003c\/li\u003e\n\u003cli\u003ePrimarily used for multiple pass on steels where rusty and dirty surfaces are not cleaned before welding\u003c\/li\u003e\n\u003cli\u003eMarked with model number on each end for easy identification after use\u003c\/li\u003e\n\u003cli\u003eConforms to AISI\/AWS A5.18 ER70S-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harris","offers":[{"title":"Default Title","offer_id":44258850668695,"sku":"E70S670","price":58.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/harris-er70s-6-mild-steel-tig-welding-rod-532-36in-10lb-box-e70s670-harris-1.jpg?v=1753396064"},{"product_id":"lincoln-electric-superarc®-l-59-0-052-diameter-mig-wire-1000lb-accu-pak®-sp65-ed030667","title":"Lincoln Electric SuperArc® L-59 0.052\" Diameter MIG Wire 1000LB Accu-Pak® SP65 - ED030667","description":"\u003ch3\u003eLincoln Electric SuperArc® L-59 0.052\" Diameter MIG Wire 1000LB Accu-Pak® SP65 - ED030667\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric SuperArc® L-59 0.052\" Diameter MIG Wire - ED030667 is designed for high-performance welding in industrial and heavy fabrication applications. This premium L-59 wire features precision-layered winding for smooth, tangle-free feeding, ensuring optimal productivity and minimal downtime. The 1000LB Accu-Pak® SP65 package is engineered for superior wire handling, making it ideal for large-scale manufacturing, construction, and shipbuilding projects. The wire's advanced formulation provides low spatter, a stable arc, and excellent weld bead appearance, delivering professional-grade results in mild steel welding operations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.052\" diameter wire for high deposition efficiency.\u003c\/li\u003e\n\u003cli\u003e1000LB Accu-Pak® SP65 package for bulk handling and extended use.\u003c\/li\u003e\n\u003cli\u003ePrecision-layer wound for smooth, consistent feedability.\u003c\/li\u003e\n\u003cli\u003eLow-spatter formulation for cleaner welds and less cleanup.\u003c\/li\u003e\n\u003cli\u003eIdeal for structural steel, shipbuilding, and heavy fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45011385974935,"sku":"","price":4800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed036802-superglaze-sibr-mig-gmaw-aluminum-welding-wire-0-035-in-500-lb-gem-pak-box-lincoln-electric-1.jpg?v=1764108383"},{"product_id":"lincoln-electric-superarc®-l-59-0-045-diameter-mig-wire-1000lb-accu-pak®-sp65c-ed032733","title":"Lincoln Electric SuperArc® L-59 0.045\" Diameter MIG Wire 1000LB Accu-Pak® SP65C - ED032733","description":"\u003ch3\u003eLincoln Electric SuperArc® L-59 0.045\" Diameter MIG Wire 1000LB Accu-Pak® SP65C - ED032733\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric SuperArc® L-59 0.045\" Diameter MIG Wire - ED032733 is crafted for demanding industrial welding applications requiring exceptional performance and efficiency. This high-quality L-59 wire features precision-layered winding for smooth, tangle-free feeding, reducing downtime and enhancing overall productivity. The 1000LB Accu-Pak® SP65C packaging is designed for bulk use, ensuring stable wire delivery in high-output settings such as shipbuilding, heavy fabrication, and large-scale construction. With its low-spatter formulation and premium copper coating, this MIG wire provides a consistent, stable arc and produces clean, professional-grade welds across a variety of mild steel applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.045\" diameter wire for balanced deposition and control.\u003c\/li\u003e\n\u003cli\u003e1000LB Accu-Pak® SP65C package for efficient, large-scale operations.\u003c\/li\u003e\n\u003cli\u003ePrecision-layer wound to prevent tangles and improve feedability.\u003c\/li\u003e\n\u003cli\u003eLow-spatter, high-efficiency formula for less cleanup and better weld appearance.\u003c\/li\u003e\n\u003cli\u003eIdeal for structural steel, shipbuilding, and heavy industrial fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45011390562455,"sku":"","price":4800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed034789-superglaze-5183-mig-gmaw-aluminum-welding-wire-0-035-in-300-lb-gem-pak-box-lincoln-electric-1.jpg?v=1753387606"},{"product_id":"lincoln-electric-superarc®-l-56-0-045-diameter-mig-wire-1500lb-precision-trak®-re-spool-ed036352","title":"Lincoln Electric SuperArc® L-56 0.045\" Diameter MIG Wire 1500LB Precision Trak® Re-Spool - ED036352","description":"\u003ch3\u003eLincoln Electric SuperArc® L-56 0.045\" Diameter MIG Wire 1500LB Precision Trak® Re-Spool - ED036352\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric SuperArc® L-56 0.045\" Diameter MIG Wire - ED036352 is designed for superior performance in industrial and heavy-duty welding applications. This high-quality L-56 wire features a copper-coated formula for enhanced conductivity, providing a stable arc and clean, low-spatter welds. The 1500LB Precision Trak® Re-Spool offers seamless, high-volume wire feeding, making it an excellent choice for large-scale projects such as structural fabrication, shipbuilding, and heavy equipment manufacturing. Engineered for mild steel applications, this MIG wire ensures exceptional weld consistency, durability, and optimal deposition rates for professional-grade results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.045\" diameter wire for efficient weld deposition.\u003c\/li\u003e\n\u003cli\u003e1500LB Precision Trak® Re-Spool for continuous, high-output operations.\u003c\/li\u003e\n\u003cli\u003eCopper-coated for improved conductivity and arc stability.\u003c\/li\u003e\n\u003cli\u003eLow-spatter formulation for reduced cleanup time.\u003c\/li\u003e\n\u003cli\u003eIdeal for structural steel, automotive, and heavy industrial fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45011420414103,"sku":"","price":6000.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/Lincoln_Electric_Metalshield_MC-70_1_16_MIG_Wire_750LB_Fiber_Drum_for_industrial_welding_-_ED037717..jpg?v=1764190339"},{"product_id":"lincoln-electric-superarc®-l-56-0-040-diameter-mig-wire-1000lb-accu-pak®-ed033975","title":"Lincoln Electric SuperArc® L-56 0.040\" Diameter MIG Wire 1000LB Accu-Pak® - ED033975","description":"\u003ch3\u003eLincoln Electric SuperArc® L-56 0.040\" Diameter MIG Wire 1000LB Accu-Pak® - ED033975\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric SuperArc® L-56 0.040\" Diameter MIG Wire - ED033975 is designed for consistent, high-quality performance in large-scale welding applications. This copper-coated wire offers excellent arc stability and a smooth bead profile, reducing spatter and improving overall weld appearance. The 1000LB Accu-Pak® packaging ensures continuous wire feeding, minimizing downtime and maximizing productivity in industrial environments. Ideal for structural fabrication, heavy machinery, and shipbuilding, this wire excels in a wide range of mild steel welding tasks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.040\" diameter wire for precision and efficient weld deposition.\u003c\/li\u003e\n\u003cli\u003e1000LB Accu-Pak® for uninterrupted, high-volume welding.\u003c\/li\u003e\n\u003cli\u003eCopper-coated for enhanced arc stability and conductivity.\u003c\/li\u003e\n\u003cli\u003eLow-spatter formulation for cleaner welds and reduced cleanup.\u003c\/li\u003e\n\u003cli\u003eSuitable for structural steel, shipbuilding, and industrial fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45011517472919,"sku":"","price":4800.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed036612-superglaze-4047-mig-gmaw-aluminum-welding-wire-116-in-300-lb-gem-pak-box-lincoln-electric-1.jpg?v=1753387605"},{"product_id":"lincoln-electric-s6-0-045-mig-wire-33lb-steel-spool-ed037838","title":"Lincoln ED037838 S6 0.045\" Diameter MIG Wire 33LB Steel Spool - Pallet 2,376 lbs.","description":"\u003ch3\u003eLincoln ED037838 S6 0.045\" Diameter MIG Wire 33LB Steel Spool - Pallet 2,376 lbs.\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric S6 0.045\" MIG Wire - ED037838 is engineered for exceptional performance in mild steel welding applications. This premium wire features a high silicon and manganese content, ensuring excellent deoxidization for clean, low-spatter welds with a smooth bead profile. The 33LB steel spool provides consistent wire feeding, making it ideal for both manual and automated welding. Perfect for automotive repair, structural fabrication, and general manufacturing, this S6 wire offers dependable arc stability and superior results for professional-grade projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.045\" wire for optimal weld deposition and control.\u003c\/li\u003e\n\u003cli\u003e33LB steel spool for reliable, efficient wire feeding.\u003c\/li\u003e\n\u003cli\u003eHigh silicon and manganese content for superior deoxidization.\u003c\/li\u003e\n\u003cli\u003eLow-spatter formula for cleaner welds and minimal post-weld cleanup.\u003c\/li\u003e\n\u003cli\u003eSuitable for automotive, structural, and general-purpose fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45014321266839,"sku":"ED037838","price":5037.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed034190-superglaze-5183-mig-gmaw-aluminum-welding-wire-0-035-in-16-lb-spool-lincoln-electric-1.jpg?v=1753387604"},{"product_id":"lincoln-electric-superarc®-l-56-0-045-mig-wire-1000lb-accu-pak®-sp65-ed030687","title":"Lincoln Electric SuperArc® L-56 0.045\" MIG Wire 1000LB Accu-Pak® SP65 - ED030687","description":"\u003ch3\u003eLincoln Electric SuperArc® L-56 0.045\" MIG Wire 1000LB Accu-Pak® SP65 - ED030687\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric SuperArc® L-56 0.045\" MIG Wire - ED030687 is designed for superior performance in large-scale welding applications. This copper-coated wire provides excellent arc stability, smooth welds, and low-spatter performance, making it ideal for high-volume production. The 1000LB Accu-Pak® SP65 ensures efficient wire feeding and minimizes downtime, making it perfect for structural fabrication, shipbuilding, and heavy equipment manufacturing. This wire excels in mild steel welding, offering professional-grade results and increased productivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.045\" wire for efficient weld deposition and control.\u003c\/li\u003e\n\u003cli\u003e1000LB Accu-Pak® SP65 for continuous, high-output welding.\u003c\/li\u003e\n\u003cli\u003eCopper-coated for enhanced arc stability and conductivity.\u003c\/li\u003e\n\u003cli\u003eLow-spatter formulation for cleaner welds and reduced cleanup.\u003c\/li\u003e\n\u003cli\u003eSuitable for structural steel, shipbuilding, and industrial fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45014324478103,"sku":"","price":4800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/Lincoln_Electric_Metalshield_MC-70_1_16_MIG_Wire_750LB_Fiber_Drum_for_industrial_welding_-_ED037717..jpg?v=1764190339"},{"product_id":"lincoln-electric-s6-0-045-mig-wire-500lb-accu-trak®-drum-ed038011","title":"Lincoln Electric S6 0.045\" MIG Wire 500LB Accu-Trak® Drum - ED038011","description":"\u003ch3\u003eLincoln Electric S6 0.045\" MIG Wire 500LB Accu-Trak® Drum - ED038011\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric S6 0.045\" MIG Wire - ED038011 is engineered for high-efficiency welding in industrial and manufacturing environments. This premium wire features a high silicon and manganese content for superior deoxidization, producing clean, low-spatter welds with exceptional bead quality. The 500LB Accu-Trak® drum provides consistent, smooth wire feeding for uninterrupted operations, making it ideal for high-volume projects. Whether for automotive production, structural fabrication, or general industrial use, this S6 wire delivers exceptional arc stability and reliable performance for mild steel welding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.045\" wire for precise and efficient weld deposition.\u003c\/li\u003e\n\u003cli\u003e500LB Accu-Trak® drum for continuous, high-output welding.\u003c\/li\u003e\n\u003cli\u003eHigh silicon and manganese content for superior deoxidization.\u003c\/li\u003e\n\u003cli\u003eLow-spatter formulation for cleaner welds and reduced cleanup.\u003c\/li\u003e\n\u003cli\u003eIdeal for automotive, structural, and industrial fabrication projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":45014334800023,"sku":"","price":2400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/Lincoln_Electric_S6_0.045_MIG_Wire_500LB_Accu-Trak_Drum_for_high-volume_mild_steel_welding_-_ED038011..jpg?v=1753387605"},{"product_id":"lincoln-electric-s6-0-035-mig-wire-500lb-accu-trak®-drum-ed038010","title":"Lincoln Electric S6 0.035\" MIG Wire 500LB Accu-Trak® Drum - ED038010","description":"\u003ch3\u003eLincoln Electric S6 0.035\" MIG Wire 500LB Accu-Trak® Drum - ED038010\u003c\/h3\u003e\n\u003cp\u003eThe Lincoln Electric S6 0.035\" MIG Wire - ED038010 is a high-performance wire designed for superior results in industrial welding applications. Featuring a high silicon and manganese content, this wire provides excellent deoxidization, resulting in clean, low-spatter welds and an optimal bead appearance. The 500LB Accu-Trak® drum ensures smooth, consistent wire feeding, making it ideal for continuous, large-scale welding operations. 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Electric","offers":[{"title":"Default Title","offer_id":45224878473367,"sku":"ED032546","price":234.43,"currency_code":"USD","in_stock":true}]},{"product_id":"lincoln-superarc-l-59-0-052-in-mig-welding-wire","title":"Lincoln Electric SuperArc ER70S-6 MIG Wire","description":"\u003cp data-start=\"97\" data-end=\"404\"\u003e\u003cstrong data-start=\"97\" data-end=\"115\"\u003eSuperArc .052\u003c\/strong\u003e is a \u003cstrong data-start=\"121\" data-end=\"184\"\u003ecopper-coated, mild-steel engineered-alloy MIG welding wire\u003c\/strong\u003e that leads the industry in arc performance, wire feedability, and weld consistency. Designed for high-demand fabrication environments, it delivers smooth operation, excellent weld quality, and extended contact tip life.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"406\" data-end=\"422\"\u003e\u003cstrong data-start=\"410\" data-end=\"422\"\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"423\" data-end=\"883\"\u003e\n\u003cli data-start=\"423\" data-end=\"524\"\u003e\n\u003cp data-start=\"425\" data-end=\"524\"\u003e\u003cstrong data-start=\"425\" data-end=\"452\"\u003eEngineered alloy system\u003c\/strong\u003e improves silicon island management for cleaner, higher-quality welds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"525\" data-end=\"597\"\u003e\n\u003cp data-start=\"527\" data-end=\"597\"\u003e\u003cstrong data-start=\"527\" data-end=\"546\"\u003eMinimal spatter\u003c\/strong\u003e reduces cleanup time and increases productivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"598\" data-end=\"691\"\u003e\n\u003cp data-start=\"600\" data-end=\"691\"\u003e\u003cstrong data-start=\"600\" data-end=\"624\"\u003eCopper-coated finish\u003c\/strong\u003e maximizes contact tip life and enhances electrical conductivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"692\" data-end=\"786\"\u003e\n\u003cp data-start=\"694\" data-end=\"786\"\u003e\u003cstrong data-start=\"694\" data-end=\"725\"\u003eSupports fast travel speeds\u003c\/strong\u003e, ideal for both manual and automated welding applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"787\" data-end=\"883\"\u003e\n\u003cp data-start=\"789\" data-end=\"883\"\u003e\u003cstrong data-start=\"789\" data-end=\"821\"\u003eMicroGuard® Ultra technology\u003c\/strong\u003e provides superior wire feeding and exceptional arc stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"1000 lb Accu-Pak Box","offer_id":43638087614615,"sku":"ED032864","price":5319.31,"currency_code":"USD","in_stock":true},{"title":"44 lb Metal Spool","offer_id":43638098296983,"sku":"ED032368","price":234.06,"currency_code":"USD","in_stock":true},{"title":"500 lb Accu-Pak Box","offer_id":43638104195223,"sku":"ED032897","price":2630.01,"currency_code":"USD","in_stock":true},{"title":"60 lb Spool","offer_id":43638110027927,"sku":"ED032814","price":321.85,"currency_code":"USD","in_stock":true},{"title":"44 lb Spool","offer_id":43638132048023,"sku":"ED034430","price":267.49,"currency_code":"USD","in_stock":true},{"title":"1000 lb Accu-Pak Box Buy America","offer_id":43638132408471,"sku":"ED034431","price":6049.41,"currency_code":"USD","in_stock":true},{"title":"33 lb Spool","offer_id":43638145155223,"sku":"ED034272","price":177.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed032368-superarc-l-59-mig-gmaw-mild-steel-welding-wire-0-052-in-44-lb-spool-lincoln-electric.jpg?v=1765569786"},{"product_id":"lincoln-superarc-g4si1-0-045-in-mig-welding-wire","title":"Lincoln Electric SuperArc MIG Wire 0.045\"","description":"\u003cp data-start=\"118\" data-end=\"528\"\u003e\u003cstrong data-start=\"118\" data-end=\"137\"\u003eSuperArc® G4Si1\u003c\/strong\u003e is one of Lincoln Electric’s premium copper-coated MIG welding wires, designed for fabricators who need a \u003cstrong data-start=\"244\" data-end=\"276\"\u003eU.S.-manufactured solid wire\u003c\/strong\u003e that meets the \u003cstrong data-start=\"292\" data-end=\"349\"\u003eG4Si1 conformance requirements under EN ISO standards\u003c\/strong\u003e. Engineered for strength, consistency, and clean weld performance, this wire delivers excellent results across fabrication, manufacturing, and general steel welding applications.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"530\" data-end=\"550\"\u003e\u003cstrong data-start=\"534\" data-end=\"550\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"551\" data-end=\"1006\"\u003e\n\u003cli data-start=\"551\" data-end=\"657\"\u003e\n\u003cp data-start=\"553\" data-end=\"657\"\u003eHigher strength than typical ER70S-6 wires to support conformance to both \u003cstrong data-start=\"627\" data-end=\"655\"\u003eAWS and EN ISO standards\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"658\" data-end=\"715\"\u003e\n\u003cp data-start=\"660\" data-end=\"715\"\u003eExcellent \u003cstrong data-start=\"670\" data-end=\"685\"\u003etoe-wetting\u003c\/strong\u003e for optimal bead appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"716\" data-end=\"810\"\u003e\n\u003cp data-start=\"718\" data-end=\"810\"\u003e\u003cstrong data-start=\"718\" data-end=\"736\"\u003eCopper coating\u003c\/strong\u003e delivers superior arc-starting performance and extends contact tip life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"811\" data-end=\"894\"\u003e\n\u003cp data-start=\"813\" data-end=\"894\"\u003eSupports \u003cstrong data-start=\"822\" data-end=\"892\"\u003eshort-circuiting, globular, axial spray, and pulsed spray transfer\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"895\" data-end=\"1006\"\u003e\n\u003cp data-start=\"897\" data-end=\"1006\"\u003e\u003cstrong data-start=\"897\" data-end=\"918\"\u003eMicroGuard® Ultra\u003c\/strong\u003e surface treatment provides superior feeding performance and outstanding arc stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"1000 lb Accu-Pak Box","offer_id":44222911840407,"sku":"ED037156","price":5616.0,"currency_code":"USD","in_stock":true},{"title":"500 lb Accu-Pak Box","offer_id":46304303415447,"sku":"ED037131","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed037156-superarc-g4si1-mig-gmaw-mild-steel-welding-wire-0-045-in-1000-lb-accu-pak-box-lincoln-electric-1.jpg?v=1764091687"},{"product_id":"lincoln-superglide-s6-0-045-inch-mig-welding-wire","title":"Lincoln Electric MIG Wire 0.045\"","description":"\u003cp data-eapps-font-size=\"16\" data-eapps-line-height=\"24\"\u003eLincoln's premium bare, mild steel MIG wire, \u003cstrong\u003eSuperGlide .045\u003c\/strong\u003e S6 is an excellent choice for welding on metals with a medium to high presence of millscale.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-eapps-font-size=\"24\" data-eapps-line-height=\"28\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeoxidizers tolerate light mill scale\u003c\/li\u003e\n\u003cli\u003eMicroguard® Ultra provides superior feeding and arc stability\u003c\/li\u003e\n\u003cli\u003eBare wire reduces copper fumes\u003c\/li\u003e\n\u003cli\u003eSupports short-circuiting, globular, axial spray and pulsed spray transfer\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-eapps-font-size=\"24\" data-eapps-line-height=\"28\"\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMedium to heavy mill scale base material\u003c\/li\u003e\n\u003cli\u003eSheet metal to 380-485 MPa (55-70 ksi) yield strength material\u003c\/li\u003e\n\u003cli\u003eAutomotive repair\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-eapps-font-size=\"24\" data-eapps-line-height=\"28\"\u003e\u003cstrong\u003eWelding Positions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-eapps-font-size=\"24\" data-eapps-line-height=\"28\"\u003e\u003cstrong\u003eShielding Gas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e100% CO2|Mixed Shielding Gas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln Electric","offers":[{"title":"0.035 in, 44 lb Spool","offer_id":43638057238679,"sku":"ED028635","price":256.35,"currency_code":"USD","in_stock":true},{"title":"0.045 in, 44 lb Spool","offer_id":43638058123415,"sku":"ED028636","price":249.79,"currency_code":"USD","in_stock":true},{"title":"0.045 in, 500 lb Accu-Trak Drum","offer_id":43638070378647,"sku":"ED030695","price":3076.86,"currency_code":"USD","in_stock":true},{"title":"0.045 in, 900 lb Accu-Trak Drum","offer_id":43638155247767,"sku":"ED034561","price":5484.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed028635-superglide-s6-mig-gmaw-mild-steel-welding-wire-0-035-in-44-lb-spool-lincoln-electric.jpg?v=1765595106"},{"product_id":"tecniweld-mig-wire-er70s-6-045-44lb-spool-2640lbs-pallet","title":"TECNIWELD MIG WIRE PALLET PRICE  ER70S-6 .045 44LB SPOOL 2640LBS\/PALLET","description":"\u003cp\u003eER70S6 MIG WIRE  .045 WIRE DIAMETER   44LB SPOOL    PALLET IS 2640LBS \u003c\/p\u003e\n\u003cp\u003eTHIS IS A PALLET PRICE ONLY  !\u003c\/p\u003e","brand":"Techniweld","offers":[{"title":"Default Title","offer_id":46940469821591,"sku":null,"price":3141.6,"currency_code":"USD","in_stock":false}]},{"product_id":"lincoln-er70s-6-mig-welding-wire","title":"Lincoln ER70S-6 (Pipeliner) MIG Welding Wire","description":null,"brand":"Lincoln Electric","offers":[{"title":"0.035 in · 10 lb Spool","offer_id":45224790556823,"sku":"ED037798","price":82.68,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 33 lb Spool","offer_id":45224790786199,"sku":"ED037799","price":249.08,"currency_code":"USD","in_stock":true},{"title":"0.040 in · 10 lb Spool","offer_id":45224790065303,"sku":"ED036531","price":3623.4,"currency_code":"USD","in_stock":true},{"title":"0.040 in · 33 lb Spool","offer_id":43639147004055,"sku":"ED036532","price":233.08,"currency_code":"USD","in_stock":true},{"title":"0.047 in · 10 lb Spool","offer_id":44222912462999,"sku":"ED037505","price":81.0,"currency_code":"USD","in_stock":true},{"title":"0.047 in · 33 lb Spool","offer_id":43639147036823,"sku":"ED036535","price":223.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed036531-pipeliner-70s-6-mig-welding-wire-040-in-10-lb-spool.jpg?v=1765569669"},{"product_id":"lincoln-superarc-l-56-mig-welding-wire","title":"Lincoln ER70S-6 (SuperArc L-56) MIG Welding Wire","description":"\u003c!-- PDP 1: Lincoln SuperArc L-56 Family Hub | AWS ER70S-6 | Before: 391 chars --\u003e\n\u003ch2\u003eProduct Overview — Lincoln SuperArc L-56 ER70S-6 MIG Welding Wire\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSuperArc® L-56®\u003c\/strong\u003e is Lincoln Electric's flagship copper-coated mild-steel MIG wire, classified \u003cstrong\u003eAWS A5.18 ER70S-6\u003c\/strong\u003e. Formulated with elevated manganese (1.40–1.85%) and silicon (0.80–1.15%) deoxidizer levels, L-56 produces clean, porosity-free welds on base metals with light-to-heavy mill scale — conditions that challenge lower-deoxidizer ER70S-3 or ER70S-2 wires. The copper coating extends contact tip life and promotes consistent wire feeding over long runs. WeldingMart is an authorized Lincoln Electric distributor; every spool ships factory-fresh with full manufacturer warranty.\u003c\/p\u003e\n\u003cp\u003eL-56 is available across seven diameters (.025\", .030\", .035\", .040\", .045\", .052\", 1\/16\") and more than 20 package formats, from 2 lb hobby spools to 1,000 lb Accu-Pak® boxes for robotic cells. Buy America-compliant and nuclear-grade options are available for government and power-generation procurement. Browse all sizes: \u003ca href=\"\/collections\/welding-wire\"\u003eWelding Wire Collection\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"pdp-spec-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAWS Classification\u003c\/th\u003e\n\u003ctd\u003eAWS A5.18 \/ A5.18M ER70S-6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eWire Type\u003c\/th\u003e\n\u003ctd\u003eSolid, Copper-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBase Metal\u003c\/th\u003e\n\u003ctd\u003eMild and low-alloy carbon steel (A36, A572, A588, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAvailable Diameters\u003c\/th\u003e\n\u003ctd\u003e.025\", .030\", .035\", .040\", .045\", .052\", 1\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpool \/ Package Sizes\u003c\/th\u003e\n\u003ctd\u003e2 lb, 10 lb, 12.5 lb, 33 lb, 44 lb spools; 60 lb coil; 250 lb, 500 lb, 1,000 lb Accu-Pak® drums\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eShielding Gas\u003c\/th\u003e\n\u003ctd\u003e100% CO₂ — or 75–95% Ar \/ balance CO₂ — or 95–98% Ar \/ balance O₂; flow 30–50 CFH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003eDCEP (DC Electrode Positive \/ DC+)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeld Process\u003c\/th\u003e\n\u003ctd\u003eGMAW (MIG); SAW (select sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransfer Modes\u003c\/th\u003e\n\u003ctd\u003eShort-circuit, globular, axial spray, pulsed spray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTensile Strength (typical)\u003c\/th\u003e\n\u003ctd\u003e530–600 MPa (77–87 ksi) as-welded with C25 gas\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eYield Strength (typical)\u003c\/th\u003e\n\u003ctd\u003e430–490 MPa (62–71 ksi)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eElongation (typical)\u003c\/th\u003e\n\u003ctd\u003e23–25%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCharpy V-Notch\u003c\/th\u003e\n\u003ctd\u003e≥27 J (20 ft·lbf) at −29°C (−20°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eKey Conformances\u003c\/th\u003e\n\u003ctd\u003eAWS A5.18 ER70S-6, ASME SFA-A5.18, ABS 3YSA H5, DNV III YMS H5, MIL-70S-6\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/www.lincolnelectric.com\/en-us\/consumables\/mig-gmaw-wire\/superarc-l56\" rel=\"nofollow noopener\" target=\"_blank\"\u003eLincoln Electric SuperArc L-56 product page\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eApplications and Industries\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStructural steel fabrication:\u003c\/strong\u003e L-56 is widely specified for AWS D1.1 structural weldments on A36 and A572 steel. High deoxidizer content handles surface scale common on structural shapes without porosity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive and body-shop repair:\u003c\/strong\u003e The .025\" and .030\" diameters run at low heat input, making L-56 the go-to wire for thin-gauge panels and frames on collision repair work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral fabrication and job shops:\u003c\/strong\u003e Excellent toe-wetting and smooth bead appearance reduce post-weld cleanup on brackets, frames, tanks, and general mild-steel weldments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAgricultural and heavy equipment:\u003c\/strong\u003e L-56 tolerates the lightly rusty, mill-scaled plate common on farm equipment and construction machinery without porosity or weld-quality penalties.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePipeline root passes (STT):\u003c\/strong\u003e Used with Lincoln's STT II process for open-root pipe welds on pipelines with minimum tensile up to 588 N\/mm².\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipbuilding and marine fabrication:\u003c\/strong\u003e ABS and DNV \/ GL approvals support classification society requirements for hull plate and stiffener welding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePolarity and Shielding Gas Requirements\u003c\/h2\u003e\n\u003cp\u003eSuperArc L-56 requires \u003cstrong\u003eDCEP (DC+)\u003c\/strong\u003e polarity. Reverse the polarity leads at the machine if switching from gasless flux-cored wire (DCEN) to L-56.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGas selection trade-offs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% CO₂:\u003c\/strong\u003e Deepest penetration profile, lowest gas cost, acceptable bead appearance. More spatter than argon mixes. Best for structural work where cleaning time is acceptable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e75% Ar \/ 25% CO₂ (C25):\u003c\/strong\u003e The most popular choice. Smoother arc, significantly less spatter, flatter bead profile. Reduce voltage 1–2 V versus CO₂ settings when using short-circuit transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90% Ar \/ 10% CO₂ (C10):\u003c\/strong\u003e Optimized for spray and pulsed spray transfer at higher amperages. Lowest spatter in spray mode. Preferred for robotic cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e95–98% Ar \/ 2% O₂:\u003c\/strong\u003e Spray and pulsed spray only — produces very flat bead profile and is used in high-production flat and horizontal applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWire Diameter Selection Guide\u003c\/h2\u003e\n\u003ctable class=\"pdp-spec-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e.025\" (0.6 mm)\u003c\/th\u003e\n\u003ctd\u003eAuto body, thin-gauge sheet (20–16 ga). Lowest heat input. Requires a precise machine capable of very slow wire feed speeds.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e.030\" (0.8 mm)\u003c\/th\u003e\n\u003ctd\u003eSheet metal to 3\/16\" plate. Best all-around hobbyist and light-fab diameter. Works on most 110V and 140–175A machines.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e.035\" (0.9 mm)\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eMost popular diameter.\u003c\/strong\u003e 3\/16\" to 1\/2\" plate. Versatile across all transfer modes. Runs on 180–250A machines. Part number \u003ca href=\"\/products\/lincoln-ed028676-superarc-l-56-mig-gmaw-welding-wire-0-035-in-12-5-lb-spool\"\u003eED028676 (12.5 lb spool)\u003c\/a\u003e.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e.040\" (1.0 mm)\u003c\/th\u003e\n\u003ctd\u003eSpecialty size for high-deposition flat\/horizontal work where .035\" undershoots and .045\" is oversized for the machine. Less common.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e.045\" (1.1 mm)\u003c\/th\u003e\n\u003ctd\u003eHeavy fabrication 3\/8\" and thicker. Production welding at 200–400A. Higher deposition than .035\"; requires a dedicated industrial feeder.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e.052\" (1.3 mm)\u003c\/th\u003e\n\u003ctd\u003eHigh-deposition production welding and robotic applications on heavy plate. Requires spray or pulsed spray transfer.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003e1\/16\" (1.6 mm)\u003c\/th\u003e\n\u003ctd\u003eSubmerged-arc (SAW) and high-deposition robotic cells. Not used in conventional MIG guns without heavy-duty feeder infrastructure.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is ER70S-6 and what does it mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"ER70S-6 is the AWS A5.18 classification for SuperArc L-56. 'E' = electrode, 'R' = rod (can be used as TIG filler), '70' = minimum 70,000 psi tensile strength, 'S' = solid wire, '6' = S6 chemistry (highest Si and Mn deoxidizer level in the ER70S family). The S6 level of deoxidizers is what allows L-56 to weld cleanly on mill-scaled or lightly rusty steel.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What shielding gas should I use with SuperArc L-56?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"75% Argon \/ 25% CO2 (C25) is the most common choice and produces a smooth arc, low spatter, and a clean bead. 100% CO2 gives deeper penetration at lower cost but produces more spatter. For spray transfer at higher amperages, use 90% Ar \/ 10% CO2. L-56 is NOT self-shielded and requires external shielding gas — running it without gas will cause immediate porosity.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between SuperArc L-56 and Harris ER70S-6?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Both are AWS ER70S-6 classified MIG wires that meet the same minimum chemistry and mechanical requirements. SuperArc L-56 is a Lincoln Electric product manufactured under Lincoln's specific process controls, copper coating thickness tolerances, and feedability standards. Performance differences between compliant ER70S-6 wires are subtle; brand choice often comes down to distributor preference, pricing, and machine compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use L-56 on rusty or dirty steel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — this is one of L-56's key design advantages. The S6 deoxidizer package (high Mn + Si) is specifically engineered to scavenge oxygen from mill scale, light rust, and surface oxides. It is not a substitute for proper joint preparation on heavily corroded or painted steel, but it tolerates typical structural steel mill scale far better than ER70S-3 or ER70S-2 wires.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What polarity does SuperArc L-56 use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"DCEP (Direct Current Electrode Positive, also called DC+). On most MIG welders, DCEP is the standard wire-feed polarity. If you are switching from self-shielded flux-cored wire (which typically uses DCEN \/ DC−), reverse the polarity connections at the machine before loading L-56.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What size spool fits my welder?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Most portable 110V–140A welders accept 2 lb (4-inch) or 10 lb spools. Hobbyist 140–175A machines typically accept 2 lb and 10 lb. Intermediate and industrial 180–250A machines (Power MIG 180, 210 MP, etc.) accept 10 lb and 12.5 lb spools. Industrial wire feeders and cabinet-style machines accept 33 lb, 44 lb, and 60 lb coils. Drum formats (250–1,000 lb) are for robotic and high-volume production welding. Check your machine's arbor hole size (usually 2 inches) and outer spool diameter spec.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdl\u003e\n  \u003cdt\u003e\u003cstrong\u003eWhat is ER70S-6 and what does it mean?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eER70S-6 is the AWS A5.18 classification for SuperArc L-56. \"E\" = electrode, \"R\" = rod (can also be used as TIG filler), \"70\" = minimum 70,000 psi tensile strength, \"S\" = solid wire, \"6\" = S6 chemistry — the highest manganese and silicon deoxidizer level in the ER70S family. The S6 deoxidizer level is what allows L-56 to weld cleanly on mill-scaled or lightly rusty steel.\u003c\/dd\u003e\n\n  \u003cdt\u003e\u003cstrong\u003eWhat shielding gas should I use with SuperArc L-56?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003e75% Ar \/ 25% CO₂ (C25) is the most common choice — smooth arc, low spatter, clean bead. 100% CO₂ gives deeper penetration at lower gas cost but produces more spatter. For spray transfer at higher amperages, use 90% Ar \/ 10% CO₂. L-56 is NOT self-shielded and requires external shielding gas — running it without gas will cause immediate porosity.\u003c\/dd\u003e\n\n  \u003cdt\u003e\u003cstrong\u003eWhat is the difference between SuperArc L-56 and Harris ER70S-6?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eBoth meet AWS ER70S-6 chemistry and mechanical requirements. L-56 is manufactured under Lincoln Electric's specific copper coating thickness tolerances and feedability standards. Performance differences between compliant ER70S-6 wires are subtle; choice often comes down to distributor preference and pricing.\u003c\/dd\u003e\n\n  \u003cdt\u003e\u003cstrong\u003eCan I use L-56 on rusty or dirty steel?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eYes — the S6 deoxidizer package scavenges oxygen from mill scale, light rust, and surface oxides. It is not a substitute for proper joint prep on heavily corroded or painted steel, but it tolerates typical structural mill scale far better than ER70S-3 or ER70S-2 wires.\u003c\/dd\u003e\n\n  \u003cdt\u003e\u003cstrong\u003eWhat polarity does SuperArc L-56 use?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eDCEP (DC Electrode Positive \/ DC+). If switching from self-shielded flux-cored wire (DCEN \/ DC−), reverse the polarity connections before loading L-56.\u003c\/dd\u003e\n\n  \u003cdt\u003e\u003cstrong\u003eWhat size spool fits my welder?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003ePortable 110V machines: 2 lb (4-inch) or 10 lb spools. Hobbyist 140–175A machines: 10 lb. Intermediate 180–250A machines: 10 lb or 12.5 lb. Industrial feeders: 33 lb, 44 lb, 60 lb coils. Robotic \/ production: 250–1,000 lb drums. Check your machine's arbor hole diameter (typically 2 inches).\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eBrowse sibling wire PDPs: \u003ca href=\"\/products\/lincoln-ed028676-superarc-l-56-mig-gmaw-welding-wire-0-035-in-12-5-lb-spool\"\u003eSuperArc L-56 .035\" 12.5 lb Spool (ED028676)\u003c\/a\u003e | \u003ca href=\"\/products\/lincoln-eds30776-superarc-la-90-mig-gmaw-welding-wire-0-045-in-44-lb-spool\"\u003eSuperArc LA-90 .045\" 44 lb (EDS30776)\u003c\/a\u003e | \u003ca href=\"\/collections\/welding-wire\"\u003eAll Welding Wire\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e— signed: SEO Silo-chat\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Lincoln Electric","offers":[{"title":"0.025 in · (5) 2 lb Plastic Spool","offer_id":43638056779927,"sku":"ED030583","price":61.44,"currency_code":"USD","in_stock":true},{"title":"0.025 in · 12.5 lb Plastic Spool","offer_id":43638045376663,"sku":"ED015790","price":68.85,"currency_code":"USD","in_stock":true},{"title":"0.030 in · (5) 2 lb Plastic Spool","offer_id":43638059171991,"sku":"ED030631","price":58.2,"currency_code":"USD","in_stock":true},{"title":"0.030 in · 12.5 lb Plastic Spool","offer_id":43638054453399,"sku":"ED023334","price":66.0,"currency_code":"USD","in_stock":true},{"title":"0.030 in · 33 lb Plastic Spool","offer_id":43638115336343,"sku":"ED032926","price":199.64,"currency_code":"USD","in_stock":true},{"title":"0.030 in · 500 lb Accu-Trak Drum","offer_id":43638073720983,"sku":"ED030771","price":2808.66,"currency_code":"USD","in_stock":true},{"title":"0.035 in · (5) 2 lb Plastic Spool","offer_id":43638059794583,"sku":"ED030632","price":55.08,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 12.5 lb Plastic Spool","offer_id":43638059761815,"sku":"ED028676","price":64.05,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 33 lb Plastic Spool","offer_id":43638116843671,"sku":"ED032927","price":173.26,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 33 lb Plastic Spool Nuclear","offer_id":43638101180567,"sku":"ED033842","price":204.56,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 33 lb Steel Spool","offer_id":43638069264535,"sku":"ED031411","price":182.43,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 44 lb Fiber Spool","offer_id":43638054092951,"sku":"ED021274","price":220.08,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 44 lb Fiber Spool Buy America","offer_id":43638110650519,"sku":"ED033704","price":252.42,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 44 lb Steel Spool","offer_id":43638079684759,"sku":"ED025945","price":234.97,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 60 lb Fiber Spool","offer_id":43638054322327,"sku":"ED021275","price":327.21,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 250 lb Accu-Trak Drum","offer_id":43638064644247,"sku":"ED029914","price":1275.01,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 500 lb Accu-Pak Box","offer_id":43638107472023,"sku":"ED032904","price":2763.96,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 500 lb Accu-Trak Drum","offer_id":43638048030871,"sku":"ED021056","price":2395.01,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 500 lb Infinity-Pak","offer_id":43639156113559,"sku":"ED034394","price":3084.31,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 900 lb Accu-Pak Box","offer_id":43638116909207,"sku":"ED032847","price":4908.07,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 900 lb Accu-Pak Box Buy America","offer_id":43638132015255,"sku":"ED034429","price":5565.16,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 1000 lb Accu-Trak Drum","offer_id":43638065594519,"sku":"ED028827","price":5453.41,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 1000 lb Precise-Trak Reel","offer_id":43638095773847,"sku":"ED033271","price":5393.81,"currency_code":"USD","in_stock":true},{"title":"0.040 in · 44 lb Fiber 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Accu-Trak Drum","offer_id":43638074278039,"sku":"ED029084","price":5244.81,"currency_code":"USD","in_stock":true},{"title":"0.052 in · 1000 lb Precise-Trak Reel","offer_id":43638060941463,"sku":"ED031617","price":5617.31,"currency_code":"USD","in_stock":true},{"title":"1\/16 in · 60 lb Fiber Spool","offer_id":43639166402711,"sku":"ED037356","price":337.05,"currency_code":"USD","in_stock":true},{"title":"1\/16 in · 60 lb Fiber Spool Buy America","offer_id":43639166435479,"sku":"ED037357","price":318.24,"currency_code":"USD","in_stock":true},{"title":"1\/16 in · 500 lb Accu-Pak Box Buy America","offer_id":43638114779287,"sku":"ED033707","price":2957.66,"currency_code":"USD","in_stock":true},{"title":"1\/16 in · 500 lb Accu-Trak Drum","offer_id":43638082207895,"sku":"ED029225","price":2295.01,"currency_code":"USD","in_stock":true},{"title":"1\/16 in · 1000 lb Accu-Pak Box","offer_id":43638119268503,"sku":"ED032851","price":5200.11,"currency_code":"USD","in_stock":true},{"title":"1\/16 in · 1000 lb Accu-Trak Drum","offer_id":43638074867863,"sku":"ED029085","price":5647.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-ed030583-superarc-l-56-mig-gmaw-mild-steel-welding-wire-0-025-in-5-2-lb-plastic-spools-lincoln-electric.jpg?v=1765569786"},{"product_id":"harris-er70s-6-mig-gmaw-welding-wire","title":"Harris ER70S-6 MIG GMAW Welding Wire","description":"\u003c!-- Wire Lane E | harris-er70s-6-mig-gmaw-welding-wire | 2026-06-16 --\u003e\n\u003ch2\u003eHarris ER70S-6 MIG Welding Wire — The Workhorse of Carbon Steel GMAW\u003c\/h2\u003e\n\u003cp\u003eHarris ER70S-6 is a copper-coated, solid MIG wire engineered for gas metal arc welding (GMAW) of mild and low-alloy carbon steels. Classified per \u003cstrong\u003eAWS A5.18\/A5.18M: ER70S-6\u003c\/strong\u003e, this wire carries the highest silicon and manganese deoxidizer package in the ER70S family — making it the top choice whenever base metal shows light mill scale, rust, or minor surface contamination. The elevated Mn (1.40–1.85 %) and Si (0.80–1.15 %) scavenge oxygen from the weld pool, yielding a clean, fluid bead with excellent wet-in at both joint toes. Whether you are running short-circuit transfer on sheet metal or spray transfer on structural plate, ER70S-6 delivers consistent arc stability, low spatter, and a smooth bead profile that minimizes post-weld cleanup.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAWS Classification\u003c\/td\u003e\n\u003ctd\u003eER70S-6 (AWS A5.18 \/ ASME SFA A5.18)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAvailable Diameters\u003c\/td\u003e\n\u003ctd\u003e0.023 in, 0.030 in, 0.035 in, 0.045 in (0.6, 0.8, 0.9, 1.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShielding Gas\u003c\/td\u003e\n\u003ctd\u003e75% Ar \/ 25% CO₂ (C25) preferred; 100% CO₂ acceptable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePolarity\u003c\/td\u003e\n\u003ctd\u003eDCEP (electrode positive)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTensile Strength (typical)\u003c\/td\u003e\n\u003ctd\u003e78,000–85,000 psi (538–586 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eYield Strength (typical)\u003c\/td\u003e\n\u003ctd\u003e62,000–70,000 psi (427–483 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElongation\u003c\/td\u003e\n\u003ctd\u003e26–30 % in 2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCharpy V-Notch Impact\u003c\/td\u003e\n\u003ctd\u003e40–60 ft-lbf at −20 °F (54–81 J at −29 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCarbon (C)\u003c\/td\u003e\n\u003ctd\u003e0.06–0.15 %\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eManganese (Mn)\u003c\/td\u003e\n\u003ctd\u003e1.40–1.85 %\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSilicon (Si)\u003c\/td\u003e\n\u003ctd\u003e0.80–1.15 %\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCopper Coating\u003c\/td\u003e\n\u003ctd\u003eYes — improves electrical contact and feedability\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications and Industries\u003c\/h2\u003e\n\u003cp\u003eER70S-6 is the most widely used solid MIG wire in North America for carbon steel fabrication. Its broad deoxidizer package handles real-world base metal conditions that would cause porosity with lower-tier wires.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStructural steel fabrication\u003c\/strong\u003e — beam-to-column fillet welds, gusset plates, and decking per AWS D1.1 Structural Welding Code\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy equipment and agriculture\u003c\/strong\u003e — bucket rebuilds, frame repairs, loader arms, and trailer frames on medium-carbon plate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive and transportation\u003c\/strong\u003e — chassis components, exhaust hangers, and tubing on pickled-and-oiled or hot-rolled steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral fabrication shops\u003c\/strong\u003e — brackets, enclosures, conveyors, and furniture on ASTM A36, A572-50, and A516 grades\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipbuilding and railcar\u003c\/strong\u003e — stiffener-to-plate fillets on Class 1 hull plates where moderate deoxidation and fast travel speeds are required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePipe and pressure vessel\u003c\/strong\u003e — root and fill passes on P1 carbon steel up to 70 ksi with proper joint preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProcess Technology and Wire Selection Guide\u003c\/h2\u003e\n\u003cp\u003eThe ER70S-6 classification (per \u003ca href=\"https:\/\/www.aws.org\/standards\/detail\/AWS-A5-18-2017\" rel=\"nofollow\"\u003eAWS A5.18\u003c\/a\u003e) specifies a minimum 70,000 psi (480 MPa) tensile strength from the deposited weld metal, measured in the as-welded condition with 75 Ar \/ 25 CO₂ shielding gas. The \"-6\" suffix identifies the highest-deoxidizer variant in the family, containing both silicon and manganese above the levels found in ER70S-3 or ER70S-2. This additional chemistry provides two key advantages: (1) it tolerates base metal with up to light mill scale without causing porosity, and (2) it produces superior wetting action that results in flatter, wider beads with smoother toe transitions — reducing stress risers on loaded joints.\u003c\/p\u003e\n\u003cp\u003eFor short-circuit transfer (thin gauge, 24–11 gauge), target wire feed speeds of 150–250 in\/min at 15–19 V. For globular and spray transfer on structural plate (3\/16 in and heavier), run 280–450 in\/min at 24–28 V with 75\/25 gas. A 100 % CO₂ shielding gas is acceptable — it delivers deeper penetration at lower cost but produces more spatter and a narrower, more convex bead profile. For the cleanest production welds, use C25 (75 % Ar \/ 25 % CO₂).\u003c\/p\u003e\n\n\u003ch2\u003ePolarity and Parameter Table\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003cth\u003eGas\u003c\/th\u003e\n\u003cth\u003eVoltage (V)\u003c\/th\u003e\n\u003cth\u003eWire Feed (in\/min)\u003c\/th\u003e\n\u003cth\u003eAmps (approx.)\u003c\/th\u003e\n\u003cth\u003eTransfer Mode\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.030 in\u003c\/td\u003e\n\u003ctd\u003eDCEP\u003c\/td\u003e\n\u003ctd\u003e75\/25 Ar\/CO₂\u003c\/td\u003e\n\u003ctd\u003e16–19\u003c\/td\u003e\n\u003ctd\u003e150–300\u003c\/td\u003e\n\u003ctd\u003e60–130\u003c\/td\u003e\n\u003ctd\u003eShort-circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.035 in\u003c\/td\u003e\n\u003ctd\u003eDCEP\u003c\/td\u003e\n\u003ctd\u003e75\/25 Ar\/CO₂\u003c\/td\u003e\n\u003ctd\u003e17–22\u003c\/td\u003e\n\u003ctd\u003e150–350\u003c\/td\u003e\n\u003ctd\u003e80–175\u003c\/td\u003e\n\u003ctd\u003eShort-circuit \/ Globular\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.045 in\u003c\/td\u003e\n\u003ctd\u003eDCEP\u003c\/td\u003e\n\u003ctd\u003e75\/25 Ar\/CO₂\u003c\/td\u003e\n\u003ctd\u003e22–28\u003c\/td\u003e\n\u003ctd\u003e200–450\u003c\/td\u003e\n\u003ctd\u003e130–280\u003c\/td\u003e\n\u003ctd\u003eGlobular \/ Spray\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.045 in\u003c\/td\u003e\n\u003ctd\u003eDCEP\u003c\/td\u003e\n\u003ctd\u003e100 % CO₂\u003c\/td\u003e\n\u003ctd\u003e24–29\u003c\/td\u003e\n\u003ctd\u003e200–450\u003c\/td\u003e\n\u003ctd\u003e140–290\u003c\/td\u003e\n\u003ctd\u003eGlobular\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eWhat is the AWS classification for Harris ER70S-6?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eHarris ER70S-6 is classified per \u003cstrong\u003eAWS A5.18 \/ ASME SFA A5.18\u003c\/strong\u003e as \u003cstrong\u003eER70S-6\u003c\/strong\u003e. The \"ER\" prefix means the wire can serve as both an electrode and a filler rod; \"70\" is the 70,000 psi minimum tensile strength; \"S\" denotes solid wire; and \"6\" identifies the high-Si\/Mn deoxidizer chemistry group.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eWhat shielding gas should I use with ER70S-6?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eThe standard recommendation is \u003cstrong\u003e75 % Argon \/ 25 % CO₂\u003c\/strong\u003e (C25). This blend supports all transfer modes — short-circuit, globular, and spray — and produces low spatter with a flat bead profile. \u003cstrong\u003e100 % CO₂\u003c\/strong\u003e also works and costs less per cubic foot, but it generates more spatter and a more convex bead. Never use 100 % Argon with steel MIG wire — the arc becomes unstable and silicon islands form excessively on the weld surface.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eCan ER70S-6 be used on rusty or scaled steel?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eYes — ER70S-6 is specifically formulated to tolerate \u003cstrong\u003elight mill scale and minor surface rust\u003c\/strong\u003e better than ER70S-3 or ER70S-2 due to its elevated silicon and manganese deoxidizer levels. For heavy rust, grinder preparation is still required. ER70S-6 should not be used on heavily corroded or painted surfaces without proper prep.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eWhat is the tensile strength of an ER70S-6 weld deposit?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003ePer AWS A5.18, ER70S-6 must meet a \u003cstrong\u003eminimum 70,000 psi (480 MPa)\u003c\/strong\u003e tensile strength in the as-welded condition. Typical values with C25 gas run \u003cstrong\u003e78,000–85,000 psi (538–586 MPa)\u003c\/strong\u003e with yield strength of 62,000–70,000 psi and elongation of 26–30 %. These values exceed the base metal strength of ASTM A36 (58–80 ksi) — meaning welds routinely overmatch the plate.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eWhat polarity does ER70S-6 use?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eER70S-6 uses \u003cstrong\u003eDCEP (DC Electrode Positive)\u003c\/strong\u003e, also called reverse polarity. This is the standard polarity for all solid MIG wires. Connect the wire feed torch lead to the positive terminal and the work clamp to the negative terminal of your welder.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eHow does ER70S-6 differ from ER70S-3?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eBoth wires meet the 70 ksi minimum tensile requirement, but ER70S-6 contains significantly more silicon (0.80–1.15 % vs 0.45–0.75 %) and manganese (1.40–1.85 % vs 0.90–1.40 %). The extra deoxidizers in ER70S-6 make it better suited for dirty base metal, deliver superior bead wetting and toe wash-in, and allow faster travel speeds. Use ER70S-3 on clean, pickled steel when you want minimum silicon island buildup; use ER70S-6 for everything else.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eExplore the full \u003ca href=\"\/collections\/welding-wire\"\u003ewelding wire collection\u003c\/a\u003e or see related Lincoln Electric wires: \u003ca href=\"\/products\/lincoln-ed016354-innershield-nr-211-mp-flux-cored-fcaw-s-welding-wire-0-035-in-10-lb-spool\"\u003eInnershield NR-211-MP\u003c\/a\u003e for self-shielded outdoor work, or \u003ca href=\"\/products\/lincoln-superarc-l-56-mig-welding-wire\"\u003eSuperArc L-56\u003c\/a\u003e for premium copper-coated MIG performance.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the AWS classification for Harris ER70S-6?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Harris ER70S-6 is classified per AWS A5.18 \/ ASME SFA A5.18 as ER70S-6. The 'ER' prefix means the wire can serve as both an electrode and filler rod; '70' is the 70,000 psi minimum tensile strength; 'S' denotes solid wire; and '6' identifies the high-Si\/Mn deoxidizer chemistry group.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What shielding gas should I use with ER70S-6?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The standard recommendation is 75% Argon \/ 25% CO2 (C25). This blend supports all transfer modes and produces low spatter with a flat bead profile. 100% CO2 also works and costs less but generates more spatter. Never use 100% Argon with steel MIG wire.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can ER70S-6 be used on rusty or scaled steel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — ER70S-6 tolerates light mill scale and minor surface rust better than ER70S-3 due to its elevated silicon and manganese deoxidizer levels. For heavy rust, grinder preparation is still required.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the tensile strength of an ER70S-6 weld deposit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Per AWS A5.18, ER70S-6 must meet a minimum 70,000 psi (480 MPa) tensile strength. Typical values with C25 gas run 78,000–85,000 psi with yield strength 62,000–70,000 psi and elongation 26–30%.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What polarity does ER70S-6 use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"ER70S-6 uses DCEP (DC Electrode Positive), also called reverse polarity. Connect the wire feed torch lead to the positive terminal and the work clamp to the negative terminal.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does ER70S-6 differ from ER70S-3?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Both wires meet the 70 ksi minimum tensile requirement, but ER70S-6 contains more silicon (0.80-1.15% vs 0.45-0.75%) and manganese (1.40-1.85% vs 0.90-1.40%). The extra deoxidizers make ER70S-6 better for dirty base metal, provide superior bead wetting, and allow faster travel speeds.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n","brand":"Harris","offers":[{"title":"0.023 in · 2 lb Spool","offer_id":44258848866455,"sku":"E70S612","price":13.01,"currency_code":"USD","in_stock":true},{"title":"0.023 in · 11 lb Spool","offer_id":44258852143255,"sku":"E70S615","price":53.9,"currency_code":"USD","in_stock":true},{"title":"0.023 in · 33 lb Spool","offer_id":44258843295895,"sku":"E70S618","price":403.93,"currency_code":"USD","in_stock":true},{"title":"0.030 in · 2 lb Spool","offer_id":44258849456279,"sku":"E70S6E2","price":62.56,"currency_code":"USD","in_stock":true},{"title":"0.030 in · 11 lb Spool","offer_id":44258852208791,"sku":"E70S6E5","price":51.26,"currency_code":"USD","in_stock":true},{"title":"0.030 in · 33 lb Spool","offer_id":44258852536471,"sku":"E70S6E8","price":92.01,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 2 lb Spool","offer_id":44258849685655,"sku":"E70S6F2","price":60.64,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 11 lb Spool","offer_id":44258852241559,"sku":"E70S6F5","price":49.94,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 33 lb Spool","offer_id":44258852765847,"sku":"E70S6F8","price":95.7,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 44 lb Spool","offer_id":44258853191831,"sku":"E70S6F9","price":98.2,"currency_code":"USD","in_stock":true},{"title":"0.035 in · 550 lb Drum","offer_id":44258852307095,"sku":"E70S6F5D","price":2497.0,"currency_code":"USD","in_stock":true},{"title":"0.045 in · 11 lb Spool","offer_id":44258852339863,"sku":"E70S6H5","price":35.01,"currency_code":"USD","in_stock":true},{"title":"0.045 in · 33 lb Spool","offer_id":44258853126295,"sku":"E70S6H8","price":92.4,"currency_code":"USD","in_stock":true},{"title":"0.045 in · 44 lb 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