QZr0.2锆青铜baikeViewInfo.expIndex=0;baikeViewInfo.subInfo[3022915]={title:QZr0.2锆青铜};QZr0.2锆青铜有高的电导率，能冷、热态压力加工，时效后有高的硬度、强度和耐热性。QZr0.2锆青铜用作电阴焊接材料及高导电、高强度电极材料。如：工作温度350℃以下的电机整流子片、开关零件、导线、点焊电极等。QZr0.2锆青铜QZr0.2化学成分：锡(Sn)≤0.05,镍(Ni)≤0.2,硫(S)≤0.01,铜(Cu)余量,锆(Zr)0.15～0.30,铁(Fe)≤0.05,铅(Pb)≤0.01,锑(Sb)≤0.005,铋(Bi)≤0.002,杂质总和%≤0.5)