Hayes Metals also manufacture alloys to customer specifications including:
BS1400:1985
(maximum % unless otherwise listed)
| Cu | 70.0 - 77.0 |
| Sn | 1.0 - 3.0 |
| Zn | Remainder |
| Pb | 2.0 - 5.0 |
| Ni | 1.0 |
| Fe | 0.5 |
| Al* | 0.01 |
| T-I | 1.0 |
T-I Total Impurities
Elements marked with * are specified impurities
| Tensile Strength (MPa) | 170-220 |
| Elongation (% min) | 18-40 |
| 0.2% Proof Stress (MPa) | 80-110 |
| Hardness (HB) | 45-60 |