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. %
Al2.6 - 3.4 
CMax 0.05 
Fe1.6 - 2.2 
HMax 0.015 
N Max 0.05 
OMax 0.13 
Ti83 - 86.8 
V9 - 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: 28-56C below beta transus for a minimum for 30 mins, then water quench. Aging heat treatment: 482-593C for 8 hrs, air cool.

Data provided by TIMET.

Physical PropertiesMetricEnglishComments
Density4.65 g/cc0.168 lb/in Typical

Mechanical Properties
Tensile Strength, Ultimate1260 MPa183000 psi Typical
Tensile Strength, Yield1170 MPa170000 psi Typical 0.2% Proof Stress
Elongation at Break10 %10 % Typical
Modulus of Elasticity107 GPa15500 ksi Typical
Compressive Yield StrengthMin 1145 MPaMin 166000 psi 
Ultimate Bearing StrengthMin 1613 MPaMin 234000 psi e/D = 1.5
Ultimate Bearing StrengthMin 1958 MPaMin 284000 psi e/D = 2.0
Bearing Yield StrengthMin 1565 MPaMin 227000 psi e/D = 1.5
Bearing Yield StrengthMin 1800 MPaMin 261000 psi e/D = 2.0
Poisson's Ratio0.320.32 
Fatigue Strength490 MPa71100 psi Notched (Kt = 3); Stress Ratio = 0.1; Axial Loading; 10^7 cycles
Fatigue Strength910 MPa132000 psi Smooth (Kt = 1); Stress Ratio = 0.1; Axial Loading; 10^7 cycles
Fatigue Strength945 MPa137000 psi Limit; test specifics not reported
Fracture ToughnessMin 44 MPa-mMin 40 ksi-in ST then Aged 8 hrs
Shear Modulus42.1 GPa6110 ksi 
Shear StrengthMin 669 MPaMin 97000 psi 

Thermal Properties
CTE, linear 20C9.7 m/m-C5.39 in/in-F 
Beta Transus800 C1470 F 

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