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Welding stainless to galvanized
Posted: Thu Feb 11, 2016 11:37 pm
by Service tech
Hello I'm welding stainless steel to galvanized steel using 309-15 1/8 rod I'm having a real hard time with my vertical welds I'm looking for any suggestions that are out there thanks
Re: Welding stainless to galvanized
Posted: Fri Feb 12, 2016 9:01 pm
by weldingt
If you are doing this on something that is critical you should be aware the zinc and many other low melting point alloys can cause cracking in stainless steel.
Do your similar thickness stainless to stainless stick welds look good? If yes, remove more of the zinc coating before welding.