Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si (TIMETAL 679) Annealed vs Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged
Property comparison of Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si (TIMETAL 679) Annealed and Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged, both titanium alloy.
| Property | Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si (TIMETAL 679) Annealed | Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged | Difference |
|---|---|---|---|
| Elastic modulus | 107,000 MPa | 106,500 MPa | 0% |
| Density | 4,840 kg/m³ | 4,930 kg/m³ | +2% |
| Thermal conductivity | 8.3 W/m·K | 7.6 W/m·K | -8% |
| Melting point | 950 °C | 807 °C | -15% |
Difference is Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged relative to Ti-11Sn-5Zr-2.25Al-1Mo-0.2Si (TIMETAL 679) 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-11Sn-5Zr-2.25Al-1Mo-0.2Si
- standard
- BS TA58 / DTD 5003
- heat treatment
- Annealed
- grade
- Ti-15Mo-3Nb-3Al-0.2Si
- standard
- AMS 4897
- heat treatment
- Solution Treated and Aged (1000°F/8hrs)
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