The answer to this is a resounding no. The tungsten will disintegrate with out any shield gas. There will be no welding happening period. I read the other guys answer and it's so far out to lunch it's a joke. First off its spelled porosity not perosity and this other bullshit about by the the other

There are many types of TIG torches for different welding applications. TIG torch sizes vary greatly for different jobs. This article will help break down the basics for you when it comes to selecting your first torch. Depending on your amperage needs and your budget, there are always several good t