With these materials use a tri mix gas 90 helium 8 argon and 2 co 2.
How to tig weld stainless steel sheet metal.
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Make sure the fitup is tight with absolutely no gap prop your tig cup right on the joint with the sharp tungsten electrode tip less than 1 16 from the joint set the tig welder to hit it hot and fast when you press the button or foot pedal.
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Tig welding for sheet metal.
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When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire.
This process also uses shielding gas against contamination but you can weld thinner metals more efficiently.
Using a tig welders means that one can work on materials of 26 gauge.
The best way i have found to tack weld stainless steel sheet metal is.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity.
This is basically a common and unique process for joining stainless steel.
How to tig weld stainless steel.