Materials

Can you tig welding stainless steel?

Quick answer

Yes — the quality default. TIG on stainless steel: TIG for quality, MIG with tri-mix or 98/2 argon-CO2 for speed; 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

The quality default. 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