{"product_id":"lincoln-square-wave-205-tig-eaa-airventure-workshop-demo-welder-k5613-1","title":"Lincoln Square Wave 205 TIG EAA AirVenture Workshop Demo Welder K5613-1","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eEAA AirVenture TIG Welding Workshop Demo Welder For Sale\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e** Full 3 Year Factory Warranty Included **\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 style=\"text-align: center;\" data-path-to-node=\"0\"\u003eMaster Precision Aviation Welding with Lincoln Electric at EAA AirVenture 2026\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" id=\"p-rc_c3c14bd48582e753-26\" data-path-to-node=\"1\"\u003eWhen building an experimental aircraft, structural integrity is everything. At the \u003cb data-index-in-node=\"83\" data-path-to-node=\"1\"\u003eEAA AirVenture TIG Welding Workshop\u003c\/b\u003e, future aviators and custom fabricators get direct, hands-on experience using industry-standard equipment under the guidance of Lincoln Electric’s seasoned professionals. \u003cspan class=\"citation-47\"\u003eCentral to these interactive training booths is the \u003c\/span\u003e\u003cb data-index-in-node=\"342\" data-path-to-node=\"1\"\u003e\u003cspan class=\"citation-47\"\u003eLincoln Electric Square Wave® 205 (Model K5613-1)\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-47 citation-end-47\"\u003e—a high-performance AC\/DC TIG and Stick welder engineered specifically to turn complex metal fabrication into a confident, repeatable process.\u003csup data-turn-source-index=\"1\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"3\"\u003e\n\u003cp id=\"p-rc_c3c14bd48582e753-27\" data-path-to-node=\"3,0\"\u003e\u003cspan class=\"citation-46\"\u003e\u003c\/span\u003e\u003ci data-index-in-node=\"0\" data-path-to-node=\"3,0\"\u003e\u003cspan class=\"citation-46\"\u003e\"Whether joining 4130 chromoly airframe tubing or laying clean aluminum beads, the Square Wave 205 bridges the gap between commercial-grade power and home workshop accessibility.\"\u003c\/span\u003e\u003c\/i\u003e\u003cspan class=\"citation-46 citation-end-46\"\u003e\u003csup data-turn-source-index=\"2\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3 style=\"text-align: center;\" data-path-to-node=\"5\"\u003eBuilt for the Hangar, Trusted in the Classroom\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" id=\"p-rc_c3c14bd48582e753-28\" data-path-to-node=\"6\"\u003e\u003cspan class=\"citation-45\"\u003eThe \u003c\/span\u003e\u003cb data-index-in-node=\"4\" data-path-to-node=\"6\"\u003e\u003cspan class=\"citation-45\"\u003eSquare Wave® 205\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-45 citation-end-45\"\u003e packs dynamic AC\/DC welding capabilities into a portable 36 lb package.\u003csup data-turn-source-index=\"3\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-44 citation-end-44\"\u003eIts intuitive digital display and automated parameter setup allow students in the AirVenture workshop to jump straight into learning proper torch angle, heat control, and wire delivery without getting bogged down in complex menus.\u003csup data-turn-source-index=\"4\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\" class=\"code-block ng-tns-c427156625-20 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\"\u003e\n\u003c!----\u003e\n\u003cdiv class=\"formatted-code-block-internal-container ng-tns-c427156625-20\"\u003e\n\u003cdiv class=\"animated-opacity ng-tns-c427156625-20\"\u003e\n\u003c!----\u003e\n\u003cpre class=\"ng-tns-c427156625-20\" style=\"text-align: center;\"\u003e\u003ccode class=\"code-container formatted ng-tns-c427156625-20 no-decoration-radius\" data-test-id=\"code-content\" role=\"text\"\u003e┌────────────────────────────────────────────────────────────────────────┐\n│                        LINCOLN SQUARE WAVE® 205                        │\n│                         (Model K5613-1 Highlights)                     │\n├───────────────────────────────┬────────────────────────────────────────┤\n│ Key Aircraft Applications     │ 4130 Chromoly Tubing, Aluminum Sheet   │\n│ Arc Control Technologies      │ AC Frequency Control \u0026amp; AC Balance      │\n│ Input Voltage Flexibility     │ Dual 120V \/ 230V Capability            │\n│ Portability Weight            │ 36 lbs (16 kg)                         │\n└───────────────────────────────┴────────────────────────────────────────┘\n\u003c\/code\u003e\u003c\/pre\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\" data-path-to-node=\"8\"\u003eWhy Pro Instructors Choose the K5613-1 for EAA Attendees\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" id=\"p-rc_c3c14bd48582e753-29\" data-path-to-node=\"9,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,0,0\"\u003eTailored for Aluminum \u0026amp; Alloy Flight Projects:\u003c\/b\u003e \u003cspan class=\"citation-43\"\u003eFeaturing adjustable \u003c\/span\u003e\u003cb data-index-in-node=\"68\" data-path-to-node=\"9,0,0\"\u003e\u003cspan class=\"citation-43\"\u003eAC Frequency Control\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-43\"\u003e and \u003c\/span\u003e\u003cb data-index-in-node=\"93\" data-path-to-node=\"9,0,0\"\u003e\u003cspan class=\"citation-43\"\u003eAC Balance\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-43 citation-end-43\"\u003e, the machine lets builders fine-tune bead width, penetration, and oxide cleaning action—essential for pristine aluminum assemblies.\u003csup data-turn-source-index=\"5\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-path-to-node=\"9,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,1,0\"\u003ePulse DC TIG Control:\u003c\/b\u003e Fine-tune pulse settings to manage heat input on delicate steel tubing, preventing burn-through on thin-wall 4130 chromoly joints.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" id=\"p-rc_c3c14bd48582e753-30\" data-path-to-node=\"9,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,2,0\"\u003ePlug-and-Play Power:\u003c\/b\u003e \u003cspan class=\"citation-42\"\u003eEquipped with \u003c\/span\u003e\u003cb data-index-in-node=\"35\" data-path-to-node=\"9,2,0\"\u003e\u003cspan class=\"citation-42\"\u003e120V\/230V dual input voltage\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-42 citation-end-42\"\u003e, the welder runs efficiently on standard workshop power outlets or high-output shop lines.\u003csup data-turn-source-index=\"6\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" id=\"p-rc_c3c14bd48582e753-31\" data-path-to-node=\"9,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,3,0\"\u003eMulti-Process Versatility:\u003c\/b\u003e \u003cspan class=\"citation-41 citation-end-41\"\u003eSeamlessly transitions to stick welding when outdoor maintenance or thicker steel fabrication demands it.\u003csup data-turn-source-index=\"7\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\" data-path-to-node=\"11\"\u003eWhat You’ll Take Away\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" id=\"p-rc_c3c14bd48582e753-32\" data-path-to-node=\"12\"\u003eUnder the step-by-step instruction of Lincoln Electric’s master welders during EAA AirVenture, you'll put the K5613-1 through its paces—practicing T-joints, lap welds, and tubing splices. You won't just leave with a theoretical understanding of TIG welding; \u003cspan class=\"citation-40 citation-end-40\"\u003eyou'll gain the muscle memory, machine mastery, and personal confidence needed to start building or repairing your own aircraft project at home.\u003c\/span\u003e\u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"Default Title","offer_id":48040686715031,"sku":"K5613-1D","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/unnamed_f604f8a5-3933-44d3-b1d9-089c4e71fa59.jpg?v=1784709608","url":"https:\/\/weldingmart.com\/products\/lincoln-square-wave-205-tig-eaa-airventure-workshop-demo-welder-k5613-1","provider":"WeldingMart.com","version":"1.0","type":"link"}