Shielding Gas For Aluminum Tig Welding. Did you know that using a 5050 mix of argon and helium shielding gas will make any aluminum weld better. Argon offers good stability in your arc and doesnt require as much clean up afterward because the arc is narrow and concentrated.
But the best gas that can be used is ultra-pure helium. Since youre going to weld aluminum using TIG welding youll need to choose either the DC positive or DC negative power. Shielding gases for TIGGTAW welding.
Argon or argonhelium mixtures can be used for welding all grades.
Inert gas is the only gases used for TIG welding. Helium and argon mixtures create a hotter arc. Stainless steel aluminum and carbon steel can be easily welded with this type of gas. Ad Find China Manufacturers Of Aluminum Welding.