Hayes Metals also manufacture alloys to customer specifications including:
BS1400:1985
(maximum % unless otherwise listed)
| Cu | 55.0 min. |
| Sn | 0.20 |
| Zn | Remainder |
| Pb | 0.20 |
| Ni | 1.0 |
| Fe | 1.5 - 3.25 |
| Al | 3.0 - 6.0 |
| Mn | 1.5 - 4.0 |
| Si* | 0.10 |
| T-I | 0.20 |
T-I Total Impurities
Elements marked with * are specified impurities
| Tensile Strength (MPa) | 740-810 |
| Elongation (% min) | 11-18 |
| 0.2% Proof Stress (MPa) | 400-470 |
| Hardness (HB) | 150-230 |