铬(ge)锆铜(tong)（CuCrZr）是(shi)一种金属(shu)材料，广(guang)泛应用于(yu)汽车、摩托(tuo)车、制桶(罐(guan))等机(ji)(ji)械制造工(gong)业的焊(han)接、导(dao)电(dian)(dian)(dian)嘴(zui)、开(kai)关触头、模具块、焊(han)机(ji)(ji)辅助装(zhuang)置(zhi)用各种物(wu)料。铬(ge)锆铜(tong)有良好的导(dao)电(dian)(dian)(dian)性，导(dao)热性，硬度(du)高，耐磨抗爆(bao)，抗裂性以及软化温度(du)高，焊(han)接时电(dian)(dian)(dian)极损(sun)耗少，焊(han)接速度(du)快，焊(han)接总成本(ben)低(di)，适合(he)作为熔接焊(han)机(ji)(ji)的电(dian)(dian)(dian)极有关管件(jian)，但对电(dian)(dian)(dian)镀工(gong)件(jian)表(biao)现(xian)一般。