Aluminum Bronze Filler Wire (AWS A5.7: ERCuAl-A2 / DIN 1733: SG-CuAl10Fe) is an iron-bearing copper-aluminum bronze used for joining aluminum bronzes of similar compositions, manganese, silicon bronzes, some copper-nickel alloys, ferrous metals and dissimilar metals, for example aluminum bronze to steel and copper to steel. It is also used for welding parts such as ship propeller where wear- and corrosion-resistances are required.
