{"product_id":"lincoln-square-wave-tig-200-ac-dc-tig-welder","title":"Lincoln Square Wave TIG 200 AC\/DC TIG Welder","description":"\u003cp\u003eThe Lincoln Electric Lincoln Square Wave TIG 200 AC\/DC TIG Welder is a versatile, inverter-based AC\/DC TIG (GTAW) and Stick (SMAW) welding machine designed for precision welding on aluminum, stainless steel, carbon steel, and other common alloys. Engineered for portability without sacrificing capability, the Square Wave TIG 200 is well-suited for motorsports fabricators, aerospace maintenance technicians, artists, and professional welders who need a capable TIG machine in a compact, dual-voltage package.\u003c\/p\u003e\n\u003cp\u003eThe Square Wave TIG 200 features independently adjustable AC frequency and AC balance for optimized aluminum welding performance, enabling operators to tune arc width, cleaning action, and penetration profile for varying aluminum alloys and material thicknesses. High-frequency arc start provides reliable, contamination-free tungsten ignition for code-quality TIG welds. The \u003cstrong\u003eU5126-1\u003c\/strong\u003e factory demo model is inspected and certified by Lincoln Electric and available at a reduced price.\u003c\/p\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eK5126-1\u003c\/strong\u003e – Square Wave TIG 200 TIG Welder - Versatile Portable Welding Machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eU5126-1\u003c\/strong\u003e – SquareWave TIG 200 TIG Welder Machine Factory Demo Welder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAC\/DC TIG (GTAW) and Stick (SMAW) welding capability in a single portable machine\u003c\/li\u003e\n\u003cli\u003eUp to 200 amps output supporting aluminum, stainless steel, and carbon steel\u003c\/li\u003e\n\u003cli\u003eAdjustable AC frequency for arc focus control on aluminum welding applications\u003c\/li\u003e\n\u003cli\u003eAC balance control optimizes cleaning action versus penetration for varying aluminum alloys\u003c\/li\u003e\n\u003cli\u003eHigh-frequency arc start provides clean, contamination-free tungsten ignition\u003c\/li\u003e\n\u003cli\u003eDual-voltage input (120V\/230V) for deployment in shops, garages, and field locations\u003c\/li\u003e\n\u003cli\u003ePulse control for improved heat management on thin materials and out-of-position welds\u003c\/li\u003e\n\u003cli\u003eLightweight inverter design for portability between workstations and job sites\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAluminum chassis, roll cage, and suspension component welding in motorsports fabrication\u003c\/li\u003e\n\u003cli\u003eStainless steel food-service equipment and pharmaceutical vessel welding\u003c\/li\u003e\n\u003cli\u003eAerospace component repair and maintenance TIG welding\u003c\/li\u003e\n\u003cli\u003eArtistic metalwork, sculpture, and custom fabrication on thin-gauge alloys\u003c\/li\u003e\n\u003cli\u003eTechnical training and vocational TIG welding education\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Lincoln Electric Lincoln Square Wave TIG 200 AC\/DC TIG Welder\u003c\/h2\u003e\n\u003cp\u003eThe Lincoln Square Wave TIG 200 combines AC\/DC TIG capability, dual-voltage flexibility, and a precision inverter arc into one of the most portable and capable TIG machines in its class. Whether you choose the new unit or the factory-certified demo model, both deliver the arc quality, AC balance control, and reliable high-frequency start that professionals demand for aluminum and stainless steel TIG welding work.\u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"Factory Reconditioned","offer_id":43638620651671,"sku":"U5126-1","price":2199.0,"currency_code":"USD","in_stock":false},{"title":"Base Model","offer_id":43638436724887,"sku":"K5126-1","price":2264.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/U5126-1_1_15d2ca61-8740-4581-b40d-df9137a7b6c0.png?v=1777664233","url":"https:\/\/weldingmart.com\/products\/lincoln-square-wave-tig-200-ac-dc-tig-welder","provider":"WeldingMart.com","version":"1.0","type":"link"}