Hayes Metals also manufacture alloys to customer specifications including:
BS1400:1985
(maximum % unless otherwise listed)
| Cu | 59.0 - 62.0 |
| Zn | Remainder |
| Pb | 0.25 |
| Al | 0.25 - 0.5 |
| T-I | 0.75 |
T-I Total Impurities
Elements marked with * are specified impurities
| Tensile Strength (MPa) | 280-370 |
| Elongation (% min) | 23-50 |
| 0.2% Proof Stress (MPa) | 90-120 |
| Hardness (HB) | 60-70 |