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Stainless Steel Welding without Back Purging

Stainless Steel Welding without Back Purging

(OP)
If I back weld a stainless steel joint butt joint with FCAW would I then need to grind, gouge and clean up the opposite side prior to welding? Or should back welding limit the oxidation and sugaring?

Thanks!

RE: Stainless Steel Welding without Back Purging

Absolutely you need to remove the heat tint/oxidation from back welding with no purge and prepare the opposite side of the weld prep for welding.

RE: Stainless Steel Welding without Back Purging

yes gouge & clean up up to sound metal.

stanly

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