You can always find that some professionals who are into the welding industry for decades now call of refer TIG Welding as Heliarc. It’s actually nothing wrong or different in that as TIG Welding was called as Heliarc in the beginning.

The process in fact grew to be a perfect on only by 1941 and then later on was used for welding magnesium, aluminum, as well as stainless. Heliarc or TIG as we call it now, works great for welding purposes on airplanes.

Pure helium is the inert shielding gas that is used in Heliarc process for the purpose of protecting the weld pool from the atmosphere. When gases such as hydrogen, oxygen, carbon dioxide, nitrogen and any other external elements contacts the weld pool then it causes a lot of welding defects.

A non-consumable tungsten electrode is the electrode used in TIG Welding process. It’s can be said that the electrode doest not burn or melt away like the other electrodes in stick welding in MIG welding process. The tungsten behaves as the torch in Heliarc welding that generates the heat that is used to melt the metal surface or the filler metal