What is TIG welding?

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TIG welding and MIG welding techniques have their similarities. However, depending on your particular project, sometimes one of these arc welding processes can be more useful than the other.

Tungsten inert gas shielded (TIG) welding, also known as gas tungsten arc welding (GTAW), is a process that uses a long rod to fuse two metals directly together. To perform TIG welding, it requires three main components: heating, shielding and filler metal. An electric current is passed through the tungsten electrode to generate heat, and the tungsten electrode creates an arc with the metal. The shielding comes from a bottle of compressed gas. When this gas is turned on, it protects the weld area from the effects of air. This is a two-handed job and requires a very precise process. On the other hand, the welder starts filling the joint by manually dipping the wire into the arc and filling it to form a single piece of metal.

 

TIG welding is a process that requires a constant-current power source and uses a non-consumable tungsten electrode to pass current through two metals and join them together. It is a clean, versatile process that requires the highest level of skill for the welder.


TIG welding machine

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