Hayes Metals also manufacture alloys to customer specifications including:
AS1565:1985
(maximum % unless otherwise listed)
| Cu | Remainder |
| Sn | 11.2 - 13.0 |
| Zn | 0.30 |
| Ni | 0.50 |
| Pb | 0.25 |
| P | 0.15 - 0.8 |
| Al | 0.005 |
| Fe | 0.15 |
| Sb | 0.20 |
| S | 0.05 |
| Si | 0.005 |
| Ni max. includes Co | |
T-I Total Impurities
Elements marked with * are specified impurities
| Tensile Strength (MPa) | 220 |
| Elongation (% min) | 5 |
| 0.2% Proof Stress (MPa) | 130 |
| Hardness (RB) | 75 |