Ti-7Al-4Mo (TIMETAL 7-4) Annealed vs Ti-8Al-1Mo-1V (TIMETAL 8-1-1) Annealed
Property comparison of Ti-7Al-4Mo (TIMETAL 7-4) Annealed and Ti-8Al-1Mo-1V (TIMETAL 8-1-1) Annealed, both titanium alloy.
| Property | Ti-7Al-4Mo (TIMETAL 7-4) Annealed | Ti-8Al-1Mo-1V (TIMETAL 8-1-1) Annealed | Difference |
|---|---|---|---|
| Yield strength | 827 MPa | 827 MPa | 0% |
| Tensile strength | 896 MPa | 896 MPa | 0% |
| Elongation | 10 % | 10 % | 0% |
| Elastic modulus | 111,000 MPa | 121,000 MPa | +9% |
| Density | 4,480 kg/m³ | 4,370 kg/m³ | -2% |
| Thermal conductivity | 6.1 W/m·K | 5.98 W/m·K | -2% |
| Coefficient of thermal expansion | 0.00001 1/K | 0.000008 1/K | -13% |
| Reduction in area | 10 % | 20 % | +100% |
Difference is Ti-8Al-1Mo-1V (TIMETAL 8-1-1) Annealed relative to Ti-7Al-4Mo (TIMETAL 7-4) Annealed. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- Ti-7Al-4Mo
- standard
- AMS 4919 / Mil-T-9047
- heat treatment
- Annealed
- grade
- Ti-8Al-1Mo-1V
- standard
- AMS 4915 / Mil-T-9047
- heat treatment
- Annealed
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