Aluminum Bronze Filler Wire A1 (AWS A5.7: ERCuAl-A1 / DIN 1733: SG-CuAl8) is an iron-free copper-aluminum based bronze that provides good resistance to seawater corrosion and the most commonly-used acids in various concentration and temperatures. It is normally used as a surfacing metal for wear-resistant metal surfaces where high corrosion resistance is required, for example in shipbuilding, chemical industry and automobile industry.
