How To Weld Aluminium With A Mig Welder. If the angle falls within this range it will be much easier to control the molten pool. In most cases it will take 21 to 23 volts to get the arc to spray transfer.
Increase the power level up to one a half times more than that is required to a steel plate of similar thickness. Lets run through how you can stick weld aluminum. Hold your spool gun tip at an angle of 10 to 15 degrees from straight up.
Use an aluminum feeding kit to feed the electrodes and soft aluminum wire.
Use an aluminum feeding kit to feed the electrodes and soft aluminum wire. Use a string bead technique as you move along the weld but be careful not to change the angle of. Hold your spool gun tip at an angle of 10 to 15 degrees from straight up. This means you hold the spool guns tip nozzle and wire pointed in.