Gas+Tungsten+Arc+Welding+(GTAW)


 * Gas Tungsten Arc Welding (GTAW) ** - An arc welding process, which produces coalescence of metals by heating them with an arc between a tungsten (non-consumable) electrode and the work. Shielding is obtained from a gas or gas mixture. Pressure may or may not be used and filler metal may or may not be used. (This process has sometimes been called TIG welding, a non-preferred term.) (2) **Gas Tungsten Arc Welding-Pulsed Arc (GTAW-P)** - A variation of the gas tungsten arc welding process in which the current is pulsed. See also Pulsed Power Welding.

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