Q & A details -Can you weld aluminum with a MIG welder without gas?
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Can you weld aluminum with a MIG welder without gas?

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 I have a Lincoln WeldPac, can I weld aluminum with this? 

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  • 0861788249

    0861788249 2017-01-23 10:28:44

    No. You will need pure argon for a shielding gas (or a mix of argon and helium if your machine were powerful enough, but it isn't) Also, the 120V MIGs just don't have the power to weld aluminum more than 1/8" and barely at that. And you need to be welding at least 14 gauge to even have a chance of doing it without burn-through. It's just rarely worth it with these small machines, especially since you WILL have trouble feeding the wire through the 10-foot gun, even if you use the stiffer 5356 alloy, which doesn't weld nearly as easily as the 4043 alloy. Coated aluminum rods are for welding with oxy-acetylene, not MIG welding.

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