What is the correct term for TIG welding?

TIG welding is correctly referred to as GTAW, which stands for Gas Tungsten Arc Welding. This process involves using a non-consumable tungsten electrode to produce the weld. The arc is created between the tungsten electrode and the workpiece, while an inert gas, usually argon, protects the weld area from contamination in the air. This method is valued for its ability to produce high-quality, precise welds on a variety of materials, including stainless steel and aluminum.

The other terms listed represent different welding processes. MIG refers to Metal Inert Gas welding, which uses a consumable wire electrode and is often faster for thicker materials. FCAW stands for Flux-Cored Arc Welding, a process that also uses a continuously fed consumable electrode but typically incorporates a flux core to provide shielding. SMAW stands for Shielded Metal Arc Welding, which uses a consumable electrode coated in flux, making it distinct from GTAW. Each of these processes has its own applications and advantages, but none specifically describe the process used in TIG welding.