What does TIG mean?
Overview of TIG Welding TIG welding, also known as Gas Tungsten Arc Welding (GTAW), stands for Tungsten Inert Gas welding. It’s a process that uses a non-consumable tungsten electrode to produce the weld. The weld area is protected from atmospheric contamination by an inert shielding gas (usually argon), and a filler metal is typically used. …