Hayes Metals also manufacture alloys to customer specifications including:
BS1400:1985
(maximum % unless otherwise listed)
| Cu | 83.0 - 87.0 |
| Zn | Remainder |
| Pb* | 0.5 |
| As | 0.05 - 0.20 |
| T-I | 1.0 |
T-I Total Impurities
Elements marked with * are specified impurities
| Tensile Strength (MPa) | 170-190 |
| Elongation (% min) | 18-40 |
| 0.2% Proof Stress (MPa) | 80-110 |
| Hardness (HB) | 45-60 |