Welding Thin Steel Tubing

TIG Welding is short for Tungsten Inert Gas. It is also referred to as Gas Tungsten Arc Welding and Heli-arc welding. The process involves using a non-consumable type of tungsten electrode to bring current to the arc. Like in oxy-acetylene welding, a filler material is used to build-up and reinforce.

TIG welding or GTAW is usually used to wield thin metals like stainless steel and non-ferrous metals like magnesium, aluminum and copper alloys. Unlike other welding techniques, the welder has greater control over the process leading to higher quality and stronger welds. However, TIG welding is more difficult to learn and master. It is also slower than competing processes.

Several equipment is needed to perform TIG welding. They are namely a welding torch, electrode, power supply and shielding gas. As its name implies, the electrode used is a tungsten or tungsten alloy. It should be noted that out of all pure metals, tungsten has the highest melting temperature.

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