| Standard | Fe | C | N | O | H | AI | Nb | Others |
|---|---|---|---|---|---|---|---|---|
| ASTM F1295 | 0.25 | 0.08 | 0.05 | 0.2 | 0.009 | 5.5~6.5 | 6.5~7.5 | Ta:max0.5 |
| ISO 5832-11 | 0.25 | 0.08 | 0.03 | 0.2 | 0.009 | 5.5~6.5 | 6.5~7.5 | Ta:max0.5 |
Ti-6Al-7Nb
| Standard | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elogation 0.2% offset |
Reduction of Aera (%) |
|---|---|---|---|---|
| ASTM F1295 | ≥900 | ≥800 | ≥10 | ≥25 |
| ISO 5832-3 | ≥900 | ≥800 | ≥10 | ≥25 |

Chemical Composition of Ti-6Al-7Nb (UNS R56700)
| Element | Content (%) |
|---|---|
| Ti | bal |
| Al | 5.5-6.5 |
| Nb | 6.5-7.5 |
| Fe | 0.25 max |
| O | 0.20 max |
| C | 0.08 max |
Mechanical Properties of Ti-6Al-7Nb
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 900 |
| Yield Strength (MPa) | 800 |
| Elongation (%) | 10 |
| Hardness (HRC) | 30-36 |
Applications of Ti-6Al-7Nb
Ti-6Al-7Nb (UNS R56700) is widely used in orthopedic implants, hip replacement stems, fracture fixation devices, dental implants. The alloy maintains excellent mechanical properties at temperatures up to 600F (316C), making it suitable for demanding high-temperature service environments.
Standards & Specifications: ASTM F1295
Frequently Asked Questions about Ti-6Al-7Nb
What is Ti-6Al-7Nb used for?
Ti-6Al-7Nb (UNS R56700) is primarily used in orthopedic implants, hip replacement stems, fracture fixation devices, dental implants. Its excellent corrosion resistance and high-temperature strength make it ideal for these demanding applications.
What is the temperature range of Ti-6Al-7Nb?
Ti-6Al-7Nb can operate at temperatures up to 600F (316C), depending on the specific application and environmental conditions.
What are the key properties of Ti-6Al-7Nb?
Ti-6Al-7Nb (UNS R56700) exhibits excellent corrosion resistance, high-temperature strength, good fabricability, and outstanding mechanical properties. It meets standards including ASTM F1295.
What is the difference between Ti-6Al-7Nb and other nickel alloys?
Ti-6Al-7Nb has a unique chemical composition (see the composition table above) that gives it specific advantages in certain environments. The combination of elements provides optimal performance for its target applications in orthopedic implants and related industries.











