磷青銅成分: (1)C5111:3.5%~4.5%Sn,0.03%~ 0.35%P,>99.5%(Cu+Sn+P)。 (2)C5102:4.5% ~5.5%Sn,0.03%~0.35%P,>99.5%(Cu+Sn+ P)。
確定! 回上一頁