TIG Welders

Square Wave 400 ADV - prime choice for industrial aluminum welding

PRIME CHOICE FOR INDUSTRIAL ALUMINUM WELDING

SQUARE WAVE® 400 ADV

SQUARE WAVE® 400 ADV is the ultimate solution for industrial TIG AC welding applications. It is combining power and precision welding offering excellent processes and high performance, to increase productivity. The new SQUARE WAVE is designed with the latest energy-saving technology and is ready to work in the most difficult environments, due to its unique design.

Video - TIG Welding Expert Tips

TIG Welding

Expert tips on welding mild steel.

Watch Lincoln Electric Weld School instructor Karl Hoes review some TIG welding basics on mild steel.

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Select a TIG Product Family

SQUARE WAVE 400 ADV

NEW!

Square Wave®

Prime choice for aluminum welding and ultimate solution for industrial TIG AC applications

ASPECT 300

Aspect®

Mission critical welds, especially on applications that must stand up to the most rigorous testing requirements.

175TP

Invertec®

Small but rugged, high-performance DC TIG and Stick welders designed for alloy fabrication, process piping, or critical maintenance work.

tig WELDER Citotig 200 ac-dc

Citotig®

Advanced inverter technology for superior DC TIG performance.
Industrial TIG welder for tough conditions.

PRESTOTIG 200 AC/DC

Prestotig®

Leading technology in TIG DC welding. User friendly interface. Smart switching, full flexibility.

Featured TIG Welding Equipment

SQUARE WAVE 400 ADV

Square Wave® 400 ADV

K14412-1

Invertec 400TP

INVERTEC® 400TP

K14390-1

Invertec 275TP

INVERTEC® 275TP

K14243-1

ASPECT 300

Aspect® 300

K12058-1

TIG Welding Support

Tech Tip: Welding Thin Aluminum

Tech Tip: Welding Thin Aluminum

Mechanized TIG: Why is Pulse Important?

Mechanized TIG: Why is Pulse Important?

Gas Lenses for TIG Torches

Gas Lenses for TIG Torches

TIG Welding 4130 Chrome-Moly Tubing

TIG Welding 4130 Chrome-Moly Tubing