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Old 05-03-2018, 01:20 PM
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joyridin' joyridin' is offline
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Not if you use 400 series SS. It will not rust.

I have welded this material hundreds of times. I would not use flux core wire, but if you have a mig welder with a gas mix, grab some 400 series SS from Ebay, weld it up, and forget about it. You will never have a problem. I would not even worry about painting it unless you want it to look pretty.

I welded baffles in my tank a few years ago. Washed it out with soapy water (Dawn dishwashing liquid), then welded away. I had no problems whatsoever.
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