Welding Journal

Welding aluminum can be challenging because of its unique properties, but it’s not impossible. Class A quality aluminum welds can be produced with the right equipment, technique, and process settings.

Common Challenges 

Class A welds are defined by AWS D17.2, Specification for Resistance Welding for Aerospace Applications, as welded joints “whose failure during any operating condition would cause loss of the equipment or system or one of its major components.” Class A welds are free of cracks and..