C84400 鉛黃銅
化學成分: 銅Cu:79.0~82.0
錫Sn:2.9~3.5
鉛Pb:6.3~7.7
鋅Zn:7.0~10.0
鐵Fe:0.35
銻Sb:0.25
鎳+鈷Ni+Co:0.8
硫S:0.08
磷P:0.02
鋁Al:0.005
硅Si:0.005