AMS4973 Ti-811 Ti8Al1Mo1V Titanium Alloy Forgings
- Grade: Ti8Al1Mo1V, Ti-811
- Forgings
- Good Strength and Ductility
- Lightweight
- Corrosion Resistance
- Weldability
- Cost-Effective
AMS4973 Ti-811 Ti8Al1Mo1V Titanium Alloy Forgings, Solution Heat Treated and Stabilized
AMS4973 Ti-8Al-1Mo-1V Titanium Alloy Forgings from Golden Sunbird Metals are premium high-strength titanium forged products designed for demanding aerospace and industrial applications. This near-alpha titanium alloy is well known for its excellent elevated-temperature strength, outstanding creep resistance, and reliable structural performance under severe service conditions. AMS4973 Ti-8Al-1Mo-1V forgings are widely used in critical components where a combination of low weight, high mechanical integrity, and long-term durability is required. With strong resistance to stress and heat, this alloy is especially suitable for aircraft engine parts, structural assemblies, and other performance-driven engineering applications. At Golden Sunbird Metals, we supply AMS4973 titanium alloy forgings with strict control over quality, traceability, and dimensional precision, helping customers meet stringent technical requirements with confidence. For projects that demand trusted titanium materials with proven performance, AMS4973 Ti-8Al-1Mo-1V is a dependable choice.
Chemical Composition (wt.%) of AMS4973 Ti-811 Ti8Al1Mo1V Titanium Alloy Forgings
| Element | Min | Max |
| Aluminum | 7.35 | 8.35 |
| Molybdenum | 0.75 | 1.25 |
| Vanadium | 0.75 | 1.25 |
| Iron | – | 0.30 |
| Oxygen | – | 0.12 |
| Carbon | – | 0.08 |
| Nitrogen | – | 0.05 (500 ppm) |
| Hydrogen | – | 0.0150 (150 ppm) |
| Yttrium (3.1.1) | – | 0.005 ( 50 ppm) |
| Other Elements, each (3.1.1) | – | 0.10 |
| Other Elements, total (3.1.1) | – | 0.40 |
| Titanium | remainder | |
Mechanical Properties of AMS4973 Ti-811 Ti8Al1Mo1V Titanium Alloy Forgings
| Property | Value |
|---|---|
| Tensile Strength (min) | 130 ksi (896 MPa) |
| Yield Strength (0.2% offset, min) | 120 ksi (827 MPa) |
| Elongation in 2 inches (min) | 10% |
| Reduction of Area (min) | 25% |
| Modulus of Elasticity | 16.5 x 10^6 psi (113.8 GPa) |
Features
- AMS4973 compliant Ti-811 / Ti8Al1Mo1V near-alpha titanium alloy forgings.
- Excellent creep resistance at elevated temperatures, suitable for service up to about 450°C / 842°F.
- High stiffness-to-density ratio for weight-sensitive structural and rotating parts.
- Good weldability for fabrication and repair operations.
- Strong combination of tensile strength, ductility, and fatigue performance for critical components.
- Suitable for solution-treated and stabilized supply condition.
- Available in custom forged shapes and sizes for aerospace and high-performance industrial use.
Technical Specifications
| Specification | Value |
| Standard | AMS4973 Ti-811 Ti8Al1Mo1V Titanium Alloy Forgings, Solution Heat Treated and Stabilized |
| Grade | Ti8Al1Mo1V, Ti-811 |
| Melting Practice | Alloy shall be multiple melted. The first melt shall be made by vacuum consumable electrode, nonconsumable electrode, electron beam cold hearth, or plasma arc cold hearth melting practice. The subsequent melt or melts shall be made using vacuum arc remelting (VAR) practice. Alloy additions are not permitted in the final melt cycle |
| Type | Forgings |
| Dimension | Bar Dia: 0.25 to 12 inches (6.35 to 304.8 mm), Length up to 20 feet (6096 mm) |
| Wire Dia: 0.020 to 0.500 inches (0.51 to 12.7 mm) | |
| Block: Width: 2 – 24 inches (50 -610mm) x Height: 2 – 24 inches (50-610mm) x Length: 2 – 20 feet (610-6100mm) | |
| Rings: OD: 250-1500mm, ID: 150-1400mm, Height: 20-500mm | |
| Density | 4.51g/cm³ |
| Condition | Forgings: Solution heat treated, stabilized, and descaled. Forging Stock: As ordered by the forging manufacturer |
| Heat Treatment | Forgings shall be heat treated as follows: furnace surveys and calibration of temperature controllers and recorders shall be in accordance with AMS2750: Solution Heat Treatment: Shall be as specified in 1.1 unless purchaser permits treatment as specified in 1.2. 1.1 Heat to a temperature within the range 1800 to 1850 °F (982 to 1010 °C), hold at the selected temperature within±25 °F (±14 °C) for 60 minutes ± 5 minutes, and quench in oil or water. When permitted by purchaser, forgings may be air cooled. 1.2 Heat to a temperature within the range 1650 to 1700 °F (899 to 927 °C), hold at the selected temperature within±25 °F (±14 °C) for 60 minutes ± 5 minutes, and cool at a rate equivalent to an air cool or faster. Stabilization Heat Treatment: Heat to a temperature within the range 1050 to 1100 °F (566 to 593 °C), hold at the selected temperature within ±15 °F (±8 °C) for not less than 8 hours, and cool in air |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical Composition, Mechanical Properties |
Applications
- Aircraft engine compressor blades and disks.
- Aerospace structural forgings and load-bearing components.
- Compressor cases and other rotating engine parts requiring creep resistance and stiffness.
- High-temperature, high-strength forged parts for propulsion systems.
- Corrosion-resistant process equipment components in chemically demanding environments.
- Offshore and marine service components where strength-to-weight ratio matters.
- Specialty engineering parts that require a balance of strength, weldability, and elevated-temperature stability.
