Aluminum tig welding chart4/4/2024 The nozzle of your welding spool gun should be approximately.When using a drag welding angle the weld will look black and ugly.This angle allows for the shielding gas to be in front Most other metals are welded on DC- polarity (DC minus). The AC polarity helps remove the oxide layer. Simply put is has to do with the aluminum oxide layer that form on aluminum. Check your users manual for the right type as well as other settings. By the way, use a totally separate brush for cleaning aluminum. So please read that very detailed tutorial to build your knowledge on welding aluminum.Ĭlean material welds the best so remove the oxides with a stainless steel brush. Which is basically the same for most welding processes minus the flux. The Oxygas welding section below I go over a lot about preparation If the aluminum is thinner than 14 gauge you will probably burn a hole in your material.Ī common MIG wire for aluminum welding is the 4043. The MIG process (so if you are welding on anything thinner then you It is recommend that you weld only on 14 gauge or thicker aluminum using On the type of machine you are using and what the user manual says,
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