How To Weld Aluminum Mig. Its also referred to as reverse polarity DC Electrode Positive or DCEP. This setting is the same used for MIG welding with solid steel wire.
TIG welding employs a non-consumable tungsten electrode to weld metal. To successfully weld aluminum youll need a spool gun. Increase the power level up to one a half times more than that is required to a steel plate of similar thickness.
Typically MIG settings are at 20 to 25 cubic feet per hour.
However the first thing to clarify about the no gas MIG welders is that there are no so-called gasless welders as the gas is always used to protect the weld. Since were welding aluminum we will need the flow rate on the higher end to provide a higher rate of heat. To successfully weld aluminum youll need a spool gun. However the first thing to clarify about the no gas MIG welders is that there are no so-called gasless welders as the gas is always used to protect the weld.