ALUMINUM BRONZE A-1 Alloy
AWS A5.7 Class ERCuAl-A1
ASME SFA5.7 ERCuAl-A1
Washington Alloy Aluminum Bronze A-1 is an iron-free aluminum bronze filler metal used for MIG and TIG overlay welding of bearing and wear-resistant surfaces exposed to corrosive environments such as salt or brackish water and commonly used acids. Aluminum Bronze A-1 is not recommended for joining.
Commonly used in steel and pulp mills to overlay tube sheets, valve seats, and refineries.