Copper alloys welding wire,bronze wire,Aluminum Bronze wire ERCuAl-A1 Applications: Joint and overlay welding of aluminum bronzes, aluminum coated steels, grey cast iron in the machine building and chemical industry, as well as ship building. Joining of corrosion resistant pipes of aluminum bronze or special brass alloys. Overlay welding of ship propellers, slide rails, slip ways and bearings. For multilayer welding on steels, pulsed arc welding is recommended. Composition(standard value)% Cu Al Si Sn Mn Ni Pb P Fe Other Balance 7.5-8.5 0.1 0.5 0.02 0.5 0.4 ERCuAl-A2 Composition(standard value)% Cu Al Si Zn Mn Ni Pb P Fe Other Balance 9.0-11.0 0.1 0.02 0.02 0.5-1.5 0.4 ERCuAl-A3 Cu Al Si Zn Mn Ni Pb P Fe Other Balance 10.5-11.5 0.10 0.1 0.02 2.0-4.5 0.5