... bath dip brazing of copper and copper alloys ,nickel,cast iron and hard alloys .While brazing by oxyacetylence, ... 900°C.Brazing welding of copper. Steel, and cast iron. RBCuZn-A59Bal.0.6————875885Melting point is ... about890°C.Brazing welding of copper. steel, and cast iron.RBCuZn-C58Bal.0.90.8—0.1— ... brass, also braze welding of copper, steel and cast iron. RBCuZn-D48Bal.——100.2—890935Melting point is ...