TIMETAL 10-2-3 Titanium Alloy (Ti-10V-2Fe-3Al), Aged Billet/Bar per ASTM 4987


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 4987.

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, Ultimate1040 MPa151000 psi Typical
Tensile Strength, Yield970 MPa141000 psi Typical 0.2% Proof Stress
Elongation at Break15 %15 % Typical
Reduction of Area20 %20 % 
Modulus of Elasticity103 GPa14900 ksi Typical
Compressive Yield StrengthMin 924 MPaMin 134000 psi 
Ultimate Bearing StrengthMin 1579 MPaMin 229000 psi e/D = 2.0
Ultimate Bearing StrengthMin 1303 MPaMin 189000 psi e/D = 1.5
Bearing Yield StrengthMin 1269 MPaMin 184000 psi e/D = 1.5
Bearing Yield StrengthMin 1462 MPaMin 212000 psi e/D = 2.0
Poisson's Ratio0.320.32 
Fatigue Strength780 MPa113000 psi Limit; test specifics not reported
Fracture ToughnessMin 88 MPa-mMin 80.1 ksi-in ST then Aged 8 hrs
Shear Modulus42.1 GPa6110 ksi 
Shear StrengthMin 538 MPaMin 78000 psi 

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


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