LG2 Leaded Gunmetal
Composition (maximum % unless otherwise listed)
| Cu | Remainder |
| Sn | 4.0 - 6.0 |
| Zn | 4.5 - 6.0 |
| Pb | 4.0 - 6.0 |
| P | 0.02 |
| Ni | 2.0 |
| Fe | 0.25 |
| Al* | 0.01 |
| Si* | 0.02 |
| Bi* | 0.05 |
| S* | 0.1 |
| Fe + As + Sb* 0.50 | |
| T-I | 0.8 |
T-I Total Impurities
Elements marked with * are specified impurities
Typical Physical Properties
| Tensile Strength (MPa) | 200-270 |
| Elongation (% min) | 13-25 |
| 0.2% Proof Stress (MPa) | 100-130 |
| Hardness (HB) | 65-75 |
Related Specifications
| AS 1565:1985 | C83600 |
| AS 1565:1974 | 836B |
| ASTM | 836 |
| SAE | 40 |