Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged vs Ti-2.5Cu (TIMETAL 230) Annealed
Property comparison of Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged and Ti-2.5Cu (TIMETAL 230) Annealed, both titanium alloy.
| Property | Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged | Ti-2.5Cu (TIMETAL 230) Annealed | Difference |
|---|---|---|---|
| Yield strength | 1,103 MPa | 510 MPa | -54% |
| Tensile strength | 1,172 MPa | 620 MPa | -47% |
| Elongation | 4 % | 25 % | +525% |
| Elastic modulus | 106,500 MPa | 112,500 MPa | +6% |
| Density | 4,930 kg/m³ | 4,560 kg/m³ | -8% |
| Thermal conductivity | 7.6 W/m·K | 12.97 W/m·K | +71% |
| Melting point | 807 °C | 890 °C | +10% |
Difference is Ti-2.5Cu (TIMETAL 230) Annealed relative to Ti-15Mo-3Nb-3Al-0.2Si (TIMETAL 21S) Solution Treated and Aged. 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-15Mo-3Nb-3Al-0.2Si
- standard
- AMS 4897
- heat treatment
- Solution Treated and Aged (1000°F/8hrs)
- grade
- Ti-2.5Cu
- standard
- BS TA51 / DTD 5013
- heat treatment
- Annealed
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