CuSn11Pb2-B(CB482K)年级：CuSn11Pb2-B数量：CB482K分类：铜锡合金标准：EN1982:2008铜和铜合金。钢锭和铸件化学成分%等级CuSn11Pb2-B(CB482K)将后缀B添加到指定中以钢锭的形式识别材料铁四锰镍P秒铝铜铅锌某人锡***大0.15***大0.01***大0。2***大2***大0.05***大0.08***大0.0183.5-86。50.7-2。5***大2***大0。210.7-12。5CuSn11Pb2-B级(CB482K)的力学性能Rm-拉伸强度(MPa)(GS)240Rm-拉伸强度(MPa)(GZ)或(GC)280Rp0.20.2%证明强度(MPa)(GS)130Rp0.20.2%证明强度(MPa)(广州)或(GC)150断裂伸长率(%)(GS)或(广州)或(GC)5布氏硬度(HBW):(GS)80布氏硬度(HBW):(广州)或(GC)90)