{"product_id":"lincoln-excalibur-7018-mr-n-stick-smaw-welding-rod","title":"Lincoln Excalibur 7018 MR N Stick (SMAW) Welding Rod","description":"\u003c!-- PER-186 follow-on parent body — auto-rendered 2026-05-26 --\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLincoln Excalibur 7018 MR N Stick (SMAW) Welding Rod\u003c\/strong\u003e is a low-hydrogen moisture-resistant iron-powder SMAW electrode classified to \u003cstrong\u003eAWS A5.1\/A5.1M E7018 H4R\u003c\/strong\u003e — the 'N' (Buy America) variant of the renowned Excalibur 7018 MR series. This electrode delivers all the performance of the standard Excalibur 7018 MR — exceptional moisture resistance, X-ray quality deposits, and outstanding out-of-position operability — while meeting Buy America compliance requirements for federally funded infrastructure and construction projects.\u003c\/p\u003e\n\n\u003cdiv class=\"per161-tldr\"\u003e\n  \u003ch2\u003eKey takeaways\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e E7018\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlloy class:\u003c\/strong\u003e Mild Steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e DC+ or AC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePositions:\u003c\/strong\u003e All positions except vertical-down\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAvailable diameters:\u003c\/strong\u003e 1\/8\", 5\/32\", 3\/16\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e SMAW\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eClassification: \u003cstrong\u003eE7018\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eAWS Classification: \u003cstrong\u003eAWS A5.1\/A5.1M E7018 H4R\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuy America compliant (N designation)\u003c\/li\u003e\n\u003cli\u003eCoating: Low-hydrogen iron-powder moisture-resistant (MR) basic\u003c\/li\u003e\n\u003cli\u003ePolarity: DC+ (DCEP) preferred; AC acceptable\u003c\/li\u003e\n\u003cli\u003ePositions: All positions except vertical-down\u003c\/li\u003e\n\u003cli\u003eH4R: ≤4 mL\/100g diffusible hydrogen\u003c\/li\u003e\n\u003cli\u003eMoisture pickup: 60% less than competitive E7018 electrodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eCode-quality fabrication on mild and low-alloy steels in structural construction, bridges, power generation, petrochemical, and infrastructure projects — especially where Buy America provisions apply. Ideal for field work in humid or outdoor environments due to the moisture-resistant H4R coating.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuy America compliant\u003c\/strong\u003e — meets federal procurement domestic content requirements\u003c\/li\u003e\n    \u003cli\u003eH4R moisture-resistant coating: 60% less moisture pickup vs. competitive E7018\u003c\/li\u003e\n    \u003cli\u003eX-ray quality weld deposits with superior puddle visibility\u003c\/li\u003e\n    \u003cli\u003eOutstanding out-of-position operability, especially vertical and overhead\u003c\/li\u003e\n    \u003cli\u003eFlexible coating stays intact — eliminates coating chips in field storage\u003c\/li\u003e\n    \u003cli\u003eCertified AWS A5.1: E7018 H4R, ABS, DNV, Lloyds classification societies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMechanical Properties (Typical — As-Welded)\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eAWS Requirement\u003c\/th\u003e\n\u003cth\u003eTypical\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e70 ksi min\u003c\/td\u003e\n\u003ctd\u003e74–87 ksi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYield Strength\u003c\/td\u003e\n\u003ctd\u003e58 ksi min\u003c\/td\u003e\n\u003ctd\u003e60–74 ksi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation\u003c\/td\u003e\n\u003ctd\u003e22% min\u003c\/td\u003e\n\u003ctd\u003e24–36%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAvailable Diameters \u0026amp; Package Sizes\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1\/8\"\u003c\/td\u003e\n\u003ctd\u003e50 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\/32\"\u003c\/td\u003e\n\u003ctd\u003e50 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/16\"\u003c\/td\u003e\n\u003ctd\u003e50 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eProduct Family (Combined Listing)\u003c\/h2\u003e\n\u003cp\u003eThis Combined Listing parent page aggregates all package sizes and diameters for the Lincoln Excalibur 7018 MR N Stick (SMAW) Welding Rod product family. Use the variant selector or browse individual child listings to find your specific size and packaging configuration.\u003c\/p\u003e\n","brand":"Lincoln Electric","offers":[{"title":"Excalibur 7018 MR N","offer_id":45224753692823,"sku":"ED033984","price":73.8,"currency_code":"USD","in_stock":true}],"url":"https:\/\/weldingmart.com\/products\/lincoln-excalibur-7018-mr-n-stick-smaw-welding-rod","provider":"WeldingMart.com","version":"1.0","type":"link"}