How To Weld Aluminum Using Arc Welding. Set the machine to between 190 and 210 amps depending on the thickness of the material to weld. Use drive rolls designed for aluminum.
Move around on the part spreading out the heat. Arc Welding Aluminum. Firstly you need to get your flux-coated aluminum electrode ready prepare the base metal set the current and polarity on the welding machine right and start welding.
Try to perform the welding process as quickly and correctly as possible.
These electrodes are covered similarly to conventional steel electrodes. The 5xxx series alloys in particular have excellent weldability. To prevent wire chaffing try to restrain both ends of the liner to. You will need a welder capable of at least 200 amps to successfully weld aluminum materials.