... good conductivity and corrosion resistance, it can be used for welding all kinds of ferrous and non-ferrous metals except aluminum ... 3126-2916.5-18.5—605720Lowing melting point, perfect welding ability,. For brazing steel, copper alloy, nickel alloy.GJY-30cdAWS: ... 3625-3919-23.517-19—605700Lowing melting point, perfect welding ability,. For brazing steel, copper alloy, nickel alloy.GJY:40cdThe European ...