HTB3 High Tensile Brass
Composition (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
Typical Physical Properties
| Tensile Strength (MPa) | 740-810 |
| Elongation (% min) | 11-18 |
| 0.2% Proof Stress (MPa) | 400-470 |
| Hardness (HB) | 150-230 |
Related Specifications
| AS 1565:1985 | C86300 |
| AS 1565:1974 | 869D |
| ASTM | 430A |