Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Solution Treated and Aged vs Ti-5.8Al-4Sn-3.5Zr-0.7Nb-0.5Mo-0.35Si-0.06C (TIMETAL 834) Annealed
Property comparison of Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Solution Treated and Aged and Ti-5.8Al-4Sn-3.5Zr-0.7Nb-0.5Mo-0.35Si-0.06C (TIMETAL 834) Annealed, both titanium alloy.
| Property | Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Solution Treated and Aged | Ti-5.8Al-4Sn-3.5Zr-0.7Nb-0.5Mo-0.35Si-0.06C (TIMETAL 834) Annealed | Difference |
|---|---|---|---|
| Yield strength | 1,130 MPa | 910 MPa | -19% |
| Tensile strength | 1,340 MPa | 1,030 MPa | -23% |
| Elongation | 7 % | 6 % | -14% |
| Elastic modulus | 115,000 MPa | 120,000 MPa | +4% |
| Density | 4,600 kg/m³ | 4,550 kg/m³ | -1% |
| Thermal conductivity | 7.52 W/m·K | 7.06 W/m·K | -6% |
| Coefficient of thermal expansion | 0.000009 1/K | 0.000011 1/K | +20% |
| Melting point | 975 °C | 1,045 °C | +7% |
Difference is Ti-5.8Al-4Sn-3.5Zr-0.7Nb-0.5Mo-0.35Si-0.06C (TIMETAL 834) Annealed relative to Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) 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-4Al-4Mo-2Sn-0.5Si
- standard
- BS TA45 / BS TA47
- heat treatment
- Solution Treated and Aged
- grade
- Ti-5.8Al-4Sn-3.5Zr-0.7Nb-0.5Mo-0.35Si-0.06C
- standard
- BS TA60 / IMI 834
- heat treatment
- Annealed
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