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国产阀门材料通用技术标准铸铜合金技术条件(表2)

* 来源: * 作者: * 发表时间: 2019-12-08 1:23:06 * 浏览: 245
国产阀门常用材料技术标准铸铜合金技术条件(表2)序号合金级杂质极限,%不大于铁,铝,锑,硅,磷,硫化物,砷,碳,镍,锡的总和,锌,铅和锰。 1ZCuSn3Zn8Pb6Ni10.40.020.30.020.051.02ZCuSn3Zn11Pb40.50.020。 30.020.051.03ZCuSn5Pb5Zn50.30.010.010.250.010.050.102.5 * 1.04ZCuSn5Pb50.10.010.050.020.020.050.100.050.250.050.750.75ZCuSn10Pb50.30.020.30.051.0 * 1.06ZCuSn10Zn20.250.010.30.010.010.050.102.0 * 1.5 * 0.21.07ZCuPn10Pn 。 250.010.50.010.050.102.0 * 2.0 * 0.21.08ZCuPb15Sn80.250.010.50.010.100.102.0 * 2.0 * 0.21.09ZCuPb17Sn4Zn40.40.050.30.020.020.750.7510ZCuPb20Sn50.250.010.750.010.100.102.5 * 2.0 * 0.21.011ZCuPb300.50.010 .20.020.080.100.0051.0 * 0.31.012ZCuAl8Mn13Fetdalign =“中间”样式=“ padding-bottom:0px,line-height:20px,margin:0px,left padding-left:0px,padding-right:0px,font-size:1