Welding Aluminum Plate. Once you determine the best weld length assuming it might be say 3 inches on 38 aluminum plate it is best to do a back-step sequence. If youre wondering how to weld aluminum its important to know that there are several welding processes that can be used.
When welding plate heavier than 18 in. Another method many use to successfully weld aluminum to steel is dip coating also commonly referred to as hot dip aluminizing. Storage of aluminum plates and extrusions is critical to avoid oxidation.
How to MIG Weld Aluminium.
Select an aluminum filler wire that has a melting temperature similar to the base material. The process is typically used for joining aluminium sheetplate material. Welds should be spread apart some distance therefore something like making a 3 inch weld then skip 24 inches make another back-step weld and so forth down the line. The more the operator can narrow-down the melting range of the metal the easier it will be to weld the alloy.