... ,high temoerature brazing ,salt bath dip brazing of copper and copper alloys ,nickel,cast iron and hard alloys .While brazing by oxyacetylence, ... 890905Melting point is about 900°C.Brazing welding of copper. Steel, and cast iron. RBCuZn-A59Bal.0.6————875885Melting point is ... carbon arc welding of brass, also braze welding of copper, steel and cast iron. RBCuZn-D48Bal.——100.2—890935Melting point is ...