Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Annealed vs Ti-45Nb (ATI 45Nb) Annealed
Property comparison of Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Annealed and Ti-45Nb (ATI 45Nb) Annealed, both titanium alloy.
| Property | Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Annealed | Ti-45Nb (ATI 45Nb) Annealed | Difference |
|---|---|---|---|
| Yield strength | 758 MPa | 410 MPa | -46% |
| Tensile strength | 827 MPa | 450 MPa | -46% |
| Elongation | 10 % | 10 % | 0% |
| Elastic modulus | 93,100 MPa | 62,050 MPa | -33% |
| Density | 4,820 kg/m³ | 5,700 kg/m³ | +18% |
| Specific heat | 515 J/kg·K | 427 J/kg·K | -17% |
| Melting point | 1,649 °C | 1,900 °C | +15% |
Difference is Ti-45Nb (ATI 45Nb) Annealed relative to Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) 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-3Al-8V-6Cr-4Mo-4Zr
- standard
- AMS 4957 / ASTM B348 Grade 19
- heat treatment
- Annealed (Solution Annealed)
- grade
- Ti-45Nb
- standard
- ASTM B348 / ASTM F67 (implant grade)
- heat treatment
- Annealed
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