BM-470

AWS RBCuZn-A

  Braze welding of copper, steel and iron.

BM-680

AWS RBCuZn-B

  Braze welding of copper, steel and iron.

BM-681

AWS RBCuZn-C

  Gas welding and carbon arc welding of brass, also
  braze welding of copper, steel, and cast iron.

BM-773

AWS RBCuZn-D

  Braze welding of steel, nickel and carbide alloys.

BM-CuP7

AWS BCuP-2

  Braze copper-copper and copper brass alloy.