Blue Demon Aluminum Welding Wire has excellent welding properties and can be used on various aluminum base metals. Available in different material grades and a variety of wire diameters. Sold in one pound spools.

ER4043

This is a general purpose type aluminum welding wire. It is one of the oldest and most widely used welding and brazing alloys around. ER4043 contains silicon additives, which result in improved fluidity of the weld pool and also produce a weld that is much less sensitive to cracking. It has a bright weld finish that makes it a very popular choice for professional welders. ER4043 can be used to weld various grades of aluminum. 1170-1605° F melting range.