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by jmiller451
Wed Sep 21, 2016 6:35 pm
Forum: Mig and Flux Core - gas metal arc welding & flux cored arc welding
Topic: Color on MIG welded stainless steel
Replies: 6
Views: 2955

Re: Color on MIG welded stainless steel

Can someone explain to me the reasoning for the difference in shielding gases for MIG welding stainless. I am curious why for TIG welding stainless requires 100% insert and anything from 50 ppm to 2% oxygen causes discoloration; however, MIG welding stainless requires inert plus some amount of oxyge...