brass thread fitting Material:CuZn40Pb2,CuZn39Pb3,Common brass Size:1/2"-4" Surface:natural color or nickel plated brass thread fittingMaterial:CW617N(MS58, CuZn40Pb2), CW614N(CuZn39Pb3), C37700, Common Brass.Size: 1/2"-4"Surface: Natural color. or nickel paltedWorking pressure: 16barHot forging rough. brass thread fitting