Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Solution Treated and Aged vs Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Cold-Rolled Mill Annealed
Property comparison of Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Solution Treated and Aged and Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Cold-Rolled Mill Annealed, both titanium alloy.
| Property | Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Solution Treated and Aged | Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Cold-Rolled Mill Annealed | Difference |
|---|---|---|---|
| Elastic modulus | 103,400 MPa | 105,000 MPa | +2% |
| Density | 4,820 kg/m³ | 4,452 kg/m³ | -8% |
| Melting point | 1,649 °C | 971 °C | -41% |
Difference is Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Cold-Rolled Mill Annealed relative to Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) 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-3Al-8V-6Cr-4Mo-4Zr
- standard
- AMS 4957 / ASTM B348 Grade 19
- heat treatment
- Solution Treated and Aged
- grade
- Ti-4Al-2.5V-1.5Fe-0.25O
- standard
- AMS 6946B / ASTM B265 Grade 38
- heat treatment
- Mill Annealed
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators