铸造锡青铜板的杂质限量

铸造锡青铜板的杂质限量（GB/T1176-1987）

合金牌号杂质限量，不大于（%）铁铝锑硅磷硫镍锡锌铅锰总和ZCuSn3Zn8Pb6Ni1 0.4 0.02 0.3 0.02 0.05 1.0 ZCuSn3Zn11Pb4 0.5 0.02 0.3 0.02 0.05 1.0 ZCuSn5Pb5Zn5 0.3 0.01 0.25 0.01 0.05 0.10 2.5 1.0 ZCuSn10Pb1 0.1 0.01 0.05 0.02 0.05 0.10 0.05 0.25 0.05 0.75 ZCuSn10Pb5 0.3 0.02 0.3 0.05 1.0 1.0 ZCuSn10Zn2 0.25 0.01 0.3 0.01 0.05 0.10 2.0 1.5 0.2 1.5