Thread: welding S.S. sheet metal ???

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Rule of thumb----use amperage equal to medal thickness--.060=60 amps, .083=83 amps stating point

Purge the bottom side with argon if you can

you didn't say how thick or how long a weld you need to make

I like 1/16 rod and a half second pulse rate for most of the stainless flat or header work I do----

Originally Posted by jerry clayton

Rule of thumb----use amperage equal to medal thickness--.060=60 amps, .083=83 amps stating point

Purge the bottom side with argon if you can

you didn't say how thick or how long a weld you need to make

I like 1/16 rod and a half second pulse rate for most of the stainless flat or header work I do----

well i agree with this to jerry. i have allways set my amps for the thickness of stock i am welding. it fun past 280 amps and the i blow the breaker box any thing past 250 amps gets the rosebud and heat crayon

Originally Posted by jerry clayton

Rule of thumb----use amperage equal to medal thickness--.060=60 amps, .083=83 amps stating point

Purge the bottom side with argon if you can

you didn't say how thick or how long a weld you need to make

I like 1/16 rod and a half second pulse rate for most of the stainless flat or header work I do----

Thanks guys I'll try adjusting the pulse settings a little more tomorrow. I am also purging the bottom . I am also not needing a "perfect" weld. The piece is 16" long and all welds are for just filling the seam to be ground down and polished out to a mirror finish. Like I told a guy at work its only to fill the seam the welds will not have any stress put on them.

You didn't say what alloy. If 304 use 308L rod or wire. If you don't use the correct alloy/rod you may get cracks that appear later.