Gas Tungsten Arc-Welding (GTAW)


Gas Tungsten Arc-Welding (GTAW) : 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 metal may or may not be used. This process has sometimes been called TIG welding
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