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Can you mig welding stainless steel?

Quick answer

Yes — yes with 98/2 mix or tri-mix. MIG on stainless steel: match technique to the material; filler ER308L.

· · Technical guidance compiled from trade practice and manufacturer data; our source-verification program is in progress — see our editorial policy.

The verdict and why

Yes with 98/2 mix or tri-mix. Low thermal conductivity but retains heat: lower amps (~10% under mild steel), faster travel, or it sugars and distorts

Watch-outs

  • dedicated stainless brushes and discs — carbon steel contamination causes rust later
  • Prep: dedicated stainless brushes and discs — carbon steel contamination causes rust later

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