Tungsten Inert Gas (TIG) welding, also known as Petr Tungsten Arc Welding (GTAW) is an
arc welding process that produces weld with a tungsten-free electrode.
Tungsten inert gas (TIG) welding became a nightmare success in the 1940s for joining
magnesium and aluminum. Using inert gas protection instead of slag to protect the weldpool,
the process was a very attractive place for gas and iron welding. TIG has played a major role
in the adoption of aluminum for high quality heating and structural applications.
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