铅黄铜:HPb63-3 C34500 C34700 C31500 C34700 CZ119 CZ124uZn36Pb1.5 CuZn36Pb3
2.0331 C3560?HPb63-0.1 C34900CuZn37Pb0.5
2.0332 HPb60-2 C36000 CZ120 C3713 C3604HPb59-2 C35300 CuZn39Pb2 C3771HPb59-1 C37800 CZ122 CuZn39Pb3
2.0380 C3710?HPb58-2.5 C38000 CZ121
2.0401 C3603