I tried not to post this as I see alot of people asking the same questions, but I cant seem to find anything to solve my pounding head. I understand that if it was possible, then people would just do it other ways, but here I go.
Most everyone says to use AC Tig for ALUM, but my Lincoln SP175T Mig has a liner, ect to weld alum. As everyone knows, MIG is DC. Also, people say that you can TIG DC for ALUM, but say that you should use TIG. Is this for penatration, or what? What would the limits or characteristics of the AC and DC (Tig/Tig and Mig DC) be for these types of welding.
Maybe this will clear it up for some of us.
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