Cu-ETP1(CW003A)年级：Cu-ETP1数量：CW003A分类：Cu-CATH-1(CR001A)制得的纯铜牌号标准：EN13602:2002铜和铜合金。导电导体用圆铜线EN1976:1998铜和铜合金。铸型材铜制品化学成分Cu-ETP1级(CW003A)%(如+Cd+Cr+锰+P+锑)<0.0015%;(Bi+Se+特)<0.0003%(Se+特)<0.0003%;(Co+Fe+镍+硅+锡+锌)<0.002%铁S作为铅硒银O某人双Te别人-***大0.001***大0.0015***大0.0005***大0.0005***大0.0002***大0.0025***大0.04***大0.0004***大0.0002***大0.0002总计0.0065个铜余数)