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Shielding Gas For Welding Stainless Steel. Secondly do you need gas to weld stainless steel. C10 or 10 Carbon Dioxide and 95 Argon.
When added to argon it can deepen penetration and increase welding speeds. Basic shielding gas choices for Stainless are. Nitrogen is a useful shielding gas additive for duplex stainless steels which contain dissolved nitrogen.
Shielding Gasses for Stainless Steel MIG Welding.
It employs two modes ie. Nitrogen can be used for duplex steels to avoid nitrogen loss in the weld metal. The shielding gas recommended for short-circuiting welding of stainless-steel contains 90 helium 75 argon and 25 carbon dioxide. Argon helium CO 2 and oxygen are the most common shielding gases used in GMAW.