C91700 Copper Tin
Composition (maximum % unless otherwise listed)
| Cu | 84.0 - 87.0 |
| Sn | 11.3 - 12.5 |
| Zn | 0.25 |
| Ni | 1.2 - 2.0 |
| Pb | 0.25 |
| P | 0.30 |
| Al | 0.005 |
| Fe | 0.20 |
| Sb | 0.20 |
| S | 0.05 |
| Si | 0.005 |
Typical Physical Properties
| Tensile Strength (MPa) | 305 |
| Elongation (% min) | 16 |
| 0.2% Proof Stress (MPa) | 150 |
| Hardness (RB) | 85 |
Related Specifications
| BS 1400 | CT2 |