| Titanium | Balance |
| Aluminum | 5.50% to 6.75% |
| Vanadium | 3.50% to 4.50% |
| Iron (maximum) | 0.40% |
| Oxygen (maximum) | 0.2% |
| Carbon (maximum | 0.08% |
| Nitrogen (maximum) | 0.05% |
| Hydrogen (maximum) | 0.125% |
| Yttrium (maximum) | 0.005% |