Ti-10V-2Fe-3Al
UNS 56410
Description
Ti-10V-2Fe-3Al, also known as Ti 10-2-3, is a near-beta titanium alloy. The alloy is characterized by high strength, high toughness, excellent forgeability, and good hardenability. The strength and corresponding toughness can be adjusted in a wide range through appropriate selection of forging parameters and heat treatment, and the hot-die forgeability is best in any commercial titanium alloy. Its excellent forgeability allows it to be used in near-net shape forging applications. The main semi-finished form of this alloy is rod and forging material; it can also be made into thick plate and profile, especially suitable for making isothermal forging die and hot-working die. The alloy is developed primarily for use in high-strength (180 ksi (1241 MPa) UTS range) airframe forging.
Chemical Component
| Ti | Fe | O | C | N | H | Al | V |
|---|---|---|---|---|---|---|---|
| Balance | 1.6-2.2% | 0.13% max | 0.05% max | 0.05% max | 0.015% max | 2.6-3.4% | 9.0-11.0% |
Basic Information
| Items | Ti-10V-2Fe-3Al |
|---|---|
| Catalog | ACAM-Ti-A008 |
| Density | 0.168 lb/in3 (4.65 g/cm3) |
| Mean Coefficient of Thermal Expansion | At 75-800 °F: 5.4 x 10-6 in in-1 °F-1 |
| Modulus of Elasticity | 15-16 MSI in STA condition |
| Beta Transus | 1470 °F (800 °C) |
| Melting Range | 2890-3120 °F (1588-1716 °C) |
Material Forms
Alfa Chemistry offers Ti-10V-2Fe-3Al in a variety of forms, including Round Bar, Flat Bar, Rectangular Bar, Sheet, Plate, Extrusion, Billet, Ingot, and Machined Parts.
Mechanical Properties
| Conditions | 0.2% Yield Strength, ksi | Ultimate Tensile Strength, ksi | Elongation, % | Reduction of Area, % |
|---|---|---|---|---|
| AMS 4983 | 160 | 180 | 4 | - |
| AMS 4984 | 160 | 173 | 4 | - |
| AMS 4986 | 145 | 160 | 6 | 10 |
| AMS 4987 | 130 | 140 | 8 | 20 |
Additional Properties
Corrosion Resistance: Corrosion resistance is generally excellent for Ti-10V-2Fe-3AI, although, the alloy is sometimes susceptible to salt stress corrosion cracking.
Machining: Ti-10V-2Fe-3Al is somewhat more difficult to machine than Ti-6Al-4V but less difficult than all beta titanium alloys.
Welding: The weldability of this Ti-10V-2Fe-3Al is judged to be comparable to that for Ti-6Al-4V.
Forming: Forming for Ti-10V-2Fe-3Al is considered moderately good in the solution annealed condition and better than near alpha alloys and alpha + beta alloys.
Specifications
- AMS 4983
- AMS 4984
- AMS 4986
- AMS 4987
- UNS R56410
Applications
Ti-10V-2Fe-3Al can be used in a variety of applications, including:
- Landing gear
- Actuators
- Fittings
- Flap tracks
- Fasteners
- Rotor heads
- Airframe components
- Compressor blades
- Discs
- Wheels
- Spacers
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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