Phosphor Bronze Balls
P-Bronze alloys offer good electrical and mechanical performance as well as resistance to corrosion and wear. Balls are produced in the passivated condition.
Corrosion Resistance Good in contact with water, steam, mineral oils, petrol. They do not resist against acids and alkalis. They are less corrosion resistant than Bronze Al.
Applications Electric conductors, special valves and pumps, check valves,and special bearings.
| Specification | |
|---|---|
| Material | P, Cu,Sn,Zn,Pb,Fe |
| Diameter | 1.5mm -150.0mm |
| Precision Grade | G100-G1000 |
| Technical Data | |
|---|---|
| Hardness (Shore D) | HRB 75-105 |
| Density | 8.920g/m3 |
| Young’s Modulus | 116GPa |
| Tensile Strength | 600-700MPa |
| Chemical Coposition | ||||||
|---|---|---|---|---|---|---|
| Type | %P | %Cu | %Sn | %Zn | %Pb | %Fe |
| CuSn5 | 0.030-0.350 | balance | 4.20-5.80 | 0.30 max | 0.050 max | 0.10 max |
| CuSn6 | 0.030-0.350 | balance | 5.00-7.00 | 0.30 max | 0.050 max | 0.10 max |
| CuSn8 | 0.030-0.350 | balance | 7.00-9.00 | 0.20 max | 0.050 max | 0.10 max |
| International Standard | |||||||
|---|---|---|---|---|---|---|---|
| USA | CHN | CEN | GER | FRA | UK | RUS | JAP |
| C51000 | QSn4-0.3 | CW451K | – | CuSn5Zn4 | PB 102 | – | C5102 |
| C51900 | QSn6.5-0.1 | CW452K | 2.1020 | CuSn6p | PB 103 | BrOF6.5-0.15 | C5191 |
| C52100 | QSn8-0.3 | CW453K | 2.1030 | CuSn9p | PB 104 | – | C5210 |
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