Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Plate Mill Annealed vs Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Annealed
Property comparison of Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Plate Mill Annealed and Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Annealed, both titanium alloy.
| Property | Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Plate Mill Annealed | Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Annealed | Difference |
|---|---|---|---|
| Yield strength | 933 MPa | 960 MPa | +3% |
| Tensile strength | 1,013 MPa | 1,100 MPa | +9% |
| Elongation | 18 % | 9 % | -50% |
| Elastic modulus | 119,000 MPa | 115,000 MPa | -3% |
| Density | 4,452 kg/m³ | 4,600 kg/m³ | +3% |
| Melting point | 971 °C | 975 °C | 0% |
Difference is Ti-4Al-4Mo-2Sn-0.5Si (TIMETAL 550) Annealed relative to Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Plate Mill 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-4Al-2.5V-1.5Fe-0.25O
- standard
- AMS 6946B / ASTM B265 Grade 38
- heat treatment
- Mill Annealed
- grade
- Ti-4Al-4Mo-2Sn-0.5Si
- standard
- BS TA45 / BS TA47
- heat treatment
- Annealed
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