Composition Of Phosphor Bronze

(1) C5111: 3.5%~4.5%Sn, 0.03%~0.35%P, >99.5% (Cu+Sn+P).
(2) C5102: 4.5% to 5.5% Sn, 0.03% to 0.35% P, >99.5% (Cu+Sn+P). (3) PBC2: 87.0%-91.0% Cu, 9.0%-12.0% S, 0.05%-0.20%P (2B: 0.15%-0.50%P; 2C: 0.05%-0.50%P), <1.0% impurity.