What is Tig Welding?

Part of the Video Series Welding Basics: Techniques for Tig, Mig & Arc Welds

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Learn what tig welding is from an expert in arc, tig and mig welding in this free DIY video.

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Video Transcript

What is Tig Welding?
Hello! My name is Mac and on behalf of expertvillage.com I am here to discuss the art of TIG welding. Now TIG welding is an arc welding process that is used mostly in the nuclear power industry or the food and beverage or pharmaceutical industries to produce very high purity welds. Unlike MIG welding where you use a coil of continuous metal electrode that is fed through the gun. The TIG welding electrode is non-consumable. It is not used to provide the filler metal for the arc welding puddle. It merely supplies the electricity to the arc inside of a cloud of inert gas that causes the base metal to be melted. The metal for the weld puddle is supplied with your free hand, holding a piece of TIG welding wire. This is a very high quality steel TIG welding wire and the process is such that you use the TIG torch to create a molten puddle on the parent metal and add filler wire with your free hand. This process can be used for welding stainless steel, carbon steel; it is especially useful for welding aluminum and other metals like that. It is extremely a pure and easy to used.

About the Expert

Expert: Malcolm MacDonald has traveled extensively throughout Canada working in almost every aspect of the Welding Trade Industry since 1968. Read More