How to tig weld aluminum with dc with smart ways
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With all of that in mind, you can still get quality welds on aluminum with a tig machine running direct current. Steels don't oxidize nearly as easily as aluminum and their oxides are not nearly as nasty. This includes argon and a slight composition of helium gas.
Dc (direct current) tig welding is acceptable for aluminum workpieces as well.
4043 works best and produces a clean bead. 4043 works best and produces a clean bead. Don’t use alloy rods or other metals for dc welding. So they can be welded happily using dc.
