Just to clarify about TIG (GTAW) Aluminum welding
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Just to clarify about TIG (GTAW) Aluminum welding
Just to make sure:
The only way to GTAW weld aluminum is to use AC style tig welder?
The only way to GTAW weld aluminum is to use AC style tig welder?
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I've never used TIG but I've done MIG welding on aluminum. TIG is just more precise and cleaner.
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Yes you hyave to have A/C, with D/C pos. it ***** up tungstun. and with D/C neg(what you use for steel) I think just melts the **** out of it
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there are a number of process that will work for welding aluminum. high freq AC tig being one of the more common along with mig. there are also coated electrodes made for stick welding and i've seen it done with a gas torch, but not real well.
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You can do it with a mig. You just have to set it to a/c. You can make it look good. But you will never make it look as good as tig. With tig you just have more control.
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Originally posted by grover85
You can do it with a mig. You just have to set it to a/c. You can make it look good. But you will never make it look as good as tig. With tig you just have more control.
You can do it with a mig. You just have to set it to a/c. You can make it look good. But you will never make it look as good as tig. With tig you just have more control.
Aluminum can be welded pretty nicely with a mig, but you’re pretty limited with most mig welders. Most sub 200A welders will weld aluminum around 1/8” thick, not much thinner or thicker well… thinner is just too difficult to control for most people (to get what we’re talking about to weld you have to run these welders pretty much wide open power and wire feed setting wise), and thicker doesn’t work well, even with a weave or multiple passes because thicker sections of aluminum absorb heat too fast (you can work around this with careful preheat, but that’s one more step that makes it harder to do right)
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