Gas

by david mccathie
(savannah, ga)

What gas do you use to GMAW Stellite 21 to 316L stainless?

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I would probably use either trimix 90 helium, 7.5 argon, 2.5 co2

or 98/2 98 argon 2 co2

if its thicker than 1/8" trimix might be better

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