How To Weld Aluminum Using A Mig Welder. Hold your spool gun tip at an angle of 10 to 15 degrees from straight up. Yes although aluminum can be tricky to MIG weld it can be done.
Though this page should help the DIY MIG welder who doesnt fancy spending money on a TIG. You should adjust the settings and use wires with low crack sensitivity to minimize porosity cracking and other defects. This process is a very smooth transfer of molten metal droplets from the end of the electrode to the molten pool.
MIG welding can weld thicker materials together than TIG welds and at a much faster pace.
Aluminium TIG Welding - The Easier Way to Weld Aluminium. You get some Aluminum wire to start you off in the box with your Magnum 100SG. Achieve the Best Quality When MIG Welding Aluminum. The settings needed to MIG weld aluminum are pretty much the same for all positions.