锡青铜
ZCuSn5Pb5Zn5
C83600
G-CuSn5Zn5Pb5
BC6
ZCuSn10Pb5
C92710
G-CuSn7ZnPb
LBCLn2
高铅锡青铜
ZCuSn10Pb10
C93700
G-CuPb10SN
LBC3