Posted by Engloid on 1/19/2008, 9:58 pm, in reply to "ALUMINUM"
68.47.213.19
There's no reason to preheat it.
You can weld weld it on DC TIG, with 100% helium.
You can AC TIG it with argon, helium, or a mix of the two.
You can also stick weld it, but stick aluminum is not a fun thing, and is therefore not very common.
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