by jw
(santa rosa, ca)
what would the procedure be to weld a 16 ga mild steel duct to a stainless steel kitchen hood?
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jody here from welding tips and tricks
...er309 with trimix gas 90 helium, 7.5 argon, 2.5 co2
or...you could use silicon bronze wire with straight argon
thats silicon bronze not brass...brass will crack when mixed with stainless