TIMETAL® 10-2-3 Titanium Alloy (Ti-10V-2Fe-3Al), Aged Billet/Bar per ASTM 4984

Subcategory: Beta Titanium Alloy; Metal; Nonferrous Metal; Titanium Alloy

Component    Wt. % Al 2.6 - 3.4   C Max 0.05   Fe 1.6 - 2.2   H Max 0.015   N Max 0.05   O Max 0.13   Ti 83 - 86.8   V 9 - 11

Material Notes:
Titanium content above is calculated as the remainder and may not reflect the actual range.

High-Strength Forging Alloy.

Industry Specifications: USA Aerospace: AMS 4984.

Features: A readily forgeable alloy that offers excellent combinations of strength, ductility, fracture toughness and high cycle fatigue strength. Typically used for critical aircraft structures, such as landing gear.

Typical heat treatment for this alloy: Solution heat treat: 28-56°C below beta transus for a minimum for 30 mins, then water quench. Aging heat treatment: 482-593°C for 8 hrs, air cool.

Data provided by TIMET.

Physical Properties	Metric	English	Comments
Density	4.65 g/cc	0.168 lb/in³	Typical
Mechanical Properties
Tensile Strength, Ultimate	1260 MPa	183000 psi	Typical
Tensile Strength, Yield	1170 MPa	170000 psi	Typical 0.2% Proof Stress
Elongation at Break	10 %	10 %	Typical
Modulus of Elasticity	107 GPa	15500 ksi	Typical
Compressive Yield Strength	Min 1145 MPa	Min 166000 psi
Ultimate Bearing Strength	Min 1613 MPa	Min 234000 psi	e/D = 1.5
Ultimate Bearing Strength	Min 1958 MPa	Min 284000 psi	e/D = 2.0
Bearing Yield Strength	Min 1565 MPa	Min 227000 psi	e/D = 1.5
Bearing Yield Strength	Min 1800 MPa	Min 261000 psi	e/D = 2.0
Poisson's Ratio	0.32	0.32
Fatigue Strength	490 MPa	71100 psi	Notched (Kt = 3); Stress Ratio = 0.1; Axial Loading; 10^7 cycles
Fatigue Strength	910 MPa	132000 psi	Smooth (Kt = 1); Stress Ratio = 0.1; Axial Loading; 10^7 cycles
Fatigue Strength	945 MPa	137000 psi	Limit; test specifics not reported
Fracture Toughness	Min 44 MPa-m½	Min 40 ksi-in½	ST then Aged 8 hrs
Shear Modulus	42.1 GPa	6110 ksi
Shear Strength	Min 669 MPa	Min 97000 psi
Thermal Properties
CTE, linear 20°C	9.7 µm/m-°C	5.39 µin/in-°F
Beta Transus	800 °C	1470 °F