AMS 4971
AMS 4971
Revision: “M” issued 07/2022
Alloy: 6AL-6V-2SN
Product Forms: Titanium Alloy, Bars, Wire, Forgings, and Rings
Condition: Annealed, Heat Treatable
| Composition Analysis | |
| Aluminum: 5.0 – 6.0% | Carbon (Maximum): 0.05% |
| Vanadium: 5.0 – 6.0% | Nitrogen (Maximum): 0.04% |
| Tin: 1.5 – 2.5% | Hydrogen (Maximum): 0.015% |
| Iron: 0.35 – 1.0% | Yttrium (Maximum): 0.005% |
| Copper: 0.35 – 1.0% | Other Elements (Total): 0.40% |
| Oxygen (Maximum): 0.20% | Titanium: Balance |
| Tensile Properties (Minimums)* | |
| Tensile: 150 – 175 ksi | Elongation: 6 – 8% |
| Yield: 140 – 160 ksi | Reduction of Area: 15 – 20% |
*Tensile property requirements vary based on orientation, section thickness/diameter, and cognizant engineering organization requirements.
Required Acceptance Tests
- Chemical Composition
- Tensile Properties (after Heat Treat)
- Microstructure
- Surface Contamination
Disclaimer
The use of this information is strictly voluntary. Information may contain typographical errors, and should be used as a guideline only. This Material Spec Sheet contains generalizations and is in no way a substitution for the AMS 4971 specification.
To purchase AMS 4971M, please visit: https://www.sae.org/standards/content/ams4971m/
Changes may be made to the information contained herein.
