Definitions for "GTAW"
An acronym for gas-tungsten arc welding.
Gas Tungsten Arc Welding. An arc welding process that produces coalescence of metals by heating them with an arc between a tungsten (nonconsumable) electrode and the work. Shielding is obtained from a gas or gas mixture. Pressure may or may not be used and filler material may or may not be used. (This process is sometimes called TIG (Tungsten Inert Gas) welding, a nonpreferred term).
An abbreviation for gas-tungsten arc welding.