Kev sib xyaw ntawm phosphor bronze

Phosphor bronze muaj pes tsawg leeg:
(1) C5111: 3.5%~4.5%Sn, 0.03%~0.35%P, >99.5 feem pua ​​(Cu plus Sn plus P).
(2) C5102: 4.5% to 5.5% Sn, 0.03% to 0.35% P, >99.5 feem pua ​​(Cu plus Sn plus P). (3) PBC2: 87.0 feem pua ​​-91. } feem pua ​​S, 0. .50 feem pua ​​P),<1.0% impurity.