Titanium Gr 2 vs Titanium Gr 5
Titanium Gr 2 (UNS R50400) vs Titanium Gr 5 (UNS R56400): chemical composition and mechanical properties side by side.
- Strength: Titanium Gr 5 minimum yield is 828 MPa vs 275 MPa for Titanium Gr 2 (+201%); tensile 895 vs 345 MPa.
- Density: 4.51 vs 4.43 g/cm³ — Titanium Gr 2 is 1.8% heavier.
- Typical use: Titanium Gr 2 — CP titanium; H ≤ 0.015. Titanium Gr 5 — Ti-6Al-4V; H ≤ 0.015.
| Property | Titanium Gr 2 | Titanium Gr 5 |
|---|---|---|
| Family | Titanium | Titanium |
| UNS | R50400 | R56400 |
| EN / W.Nr | 3.7035 Ti Grade 2 | 3.7165 TiAl6V4 |
| Basis spec | ASTM B381 | ASTM B381 |
| Density g/cm³ | 4.51 | 4.43 |
| Chemical composition, % | ||
| C | 0.08 | 0.08 |
| N | 0.03 | 0.05 |
| V | – | 3.5–4.5 |
| Fe | 0.30 | 0.40 |
| Al | – | 5.5–6.75 |
| O | 0.25 | 0.20 |
| Mechanical properties (min) | ||
| Tensile strength | 345 MPa (50 ksi) | 895 MPa (130 ksi) |
| Yield strength (0.2%) | 275 MPa (40 ksi) | 828 MPa (120 ksi) |
| Elongation | 20% | 10% |
| Hardness (max) | – | – |
| PREN (min, from spec) | – | – |
Single values are maximums; ranges are min–max; "bal" = balance. Limits are typical of the basis specification for that product form — forgings, pipe and fittings specifications differ slightly. Always check the exact specification, edition and the mill test certificate.
Frequently asked questions
What is the difference between Titanium Gr 2 and Titanium Gr 5?
Strength: Titanium Gr 5 minimum yield is 828 MPa vs 275 MPa for Titanium Gr 2 (+201%); tensile 895 vs 345 MPa. Density: 4.51 vs 4.43 g/cm³ — Titanium Gr 2 is 1.8% heavier. Typical use: Titanium Gr 2 — CP titanium; H ≤ 0.015. Titanium Gr 5 — Ti-6Al-4V; H ≤ 0.015.
Which is stronger, Titanium Gr 2 or Titanium Gr 5?
Titanium Gr 5 has the higher minimum yield strength (828 MPa vs 275 MPa).
Last updated 2026-11-02