日本标准化学成分对照表牌号 C2051 C2100 C2200 C2300 C2400 C2600 C2680 C2700 C2720 C2800 C2801 C3501 C3560 C3561 C3601 C3602 C3603 C3604 C3605 C3710 C3712 C3713 C3771 C4621 C4622 C40 C41 Cu 98.0-99.0 94.0-96.0 .0-91.0 84.0-86.0 78.5-81.5 68.5-71.5 .0-68.0 63.0-67.0 62.0-.0 59.0-63.0 59.0-62.0 60.0-.0 61.0-.0 57.0-61.0 59.0-63.0 59.0-63.0 57.0-61.0 57.0-61.0 56.0-60.0 58.0-62.0 58.0-62.0 58.0-62.0 57.0-61.0 61.0-.0 61.0-.0 59.0-62.0 59.0-62.0 化学成分(质量分数)(%)不大于(注明余量及范围Pb Fe Sn 0.050.05- 0.050.05- 0.050.05- 0.050.05- 0.050.05- 0.050.05- 0.050.05- 0.050.05- 0.070.07- 0.10.07- 0.10.07- 0.7-1.7 0.2- 2.0-3.0 0.1- 2.0-3.0 0.1- 1.8-3.7 0.3- 1.8-3.7 0.5- 1.8-3.7 0.35- 1.8-3.7 0.5- 3.5-4.5 0.5- 0.6-1.2 0.1- 0.80.25-1.2 1.0-2.0 0.1- 11.0-2.5 0.20.10.7-1.5 0.30.20.7-1.5 0.20.10.50-1.0 0.50.20.50-1.0 及范围者除外) Zn 余量 余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量余量其它规定 - - - - - - - - - - - Fe+Sn0.40 - - Fe+Sn0.50 Fe+Sn1.2Fe+Sn0.6Fe+Sn1.2Fe+Sn1.2- - - - - - - -