cuzn5。磷青铜的成分、性能与应用典型牌号化学成份（%）（质量分数）Sn(锡）Al(铝）Fe（铁）Pb（铅）Sb（锑）Bi（铋）Si（硅）P（磷）Cu杂质总和QSn6.5-0.16.0-7.0＜0.002＜0.05＜0.02＜0.002＜0.002＜0.0020.10-0.25余量＜0.1QSn6.5-0.46.0-7.0＜0.002＜0.02＜0.02＜0.002＜0.002＜0.0020.26-0.40余量＜0.1QSn7-0.26.0-8.0＜0.01＜0.05＜0.02＜0.002＜0.002＜0.020.10-0.25余量＜0.15QSn4-0.33.5-4.5＜0.002＜0.02＜0.02＜0.002＜0.002＜0.0020.25-0.40余量＜0.1d)