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View Full Version : Welding Stainless Steel - shielding gas question


USDM Rice
01-03-2008, 06:48 PM
I ran outta shielding gas for my mig welder. I've mainly been welding mild steel, but I plan on welding stainless steel in the near future. What percentage of shielding gas should I get? I currently have 75% argon, 25% co2. I was told to run 100% argon for stainless steel. Will it be a lot different welding mild steel with this percentage?

coolwelder62
01-03-2008, 10:11 PM
You use an argon /C02 oxgen. mix on stainless, 100% argon on alum. only when mig welding. argon when tig welding.