I have never welded stainless before but I might be faced with it soon. Any tips? Pointers? Things to expect ? Thank you
stainless steel mig welding
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Make sure you use a trimix gas.MM250
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Not to overstate the obvious, but you will need stainless wire, probably 308 - it depends on the parent metal alloy. Size, of course, will depend on thickness of material and amps.
Stainless warps like crazy when heated, so clamp, clamp, and then clamp some more.
What he said about tri-mix gas.
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Two more thoughts - stainless wire is not required for welding stainless, but if you use regular E70[xx], then the weld itself will rust. Also, depending on the structure of what you are welding, back purging may be necessary to prevent contamination. A thread search will tell you all you need to know about that.
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ss wire
i would suggust getting the L Si in the wire, So if 308 L Si, 309 L Si, or 316 L Si, it will run much smother.Miller Syncrowave 200
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