Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Annealed vs Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Bar Mill Annealed
Property comparison of Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Annealed and Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Bar Mill Annealed, both titanium alloy.
| Property | Ti-3Al-8V-6Cr-4Mo-4Zr (ATI 38-644 / Beta C) Annealed | Ti-4Al-2.5V-1.5Fe-0.25O (ATI 425 Grade 38) Bar Mill Annealed | Difference |
|---|---|---|---|
| Yield strength | 758 MPa | 931 MPa | +23% |
| Tensile strength | 827 MPa | 1,007 MPa | +22% |
| Elongation | 10 % | 21 % | +110% |
| 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) Bar Mill 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-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