Titanium Ti-15V-3Cr-3Al-3Sn ST 850C (1560F), Aged 545C

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

Close Analogs: 3 other heat treatments of this alloy are in MatWeb.

Key Words: Titanium Ti-15-3

Component   Wt. %

Material Notes:
ST=solution Treated

Physical PropertiesMetricEnglishComments
Density4.76 g/cc0.172 lb/in 

Mechanical Properties
Hardness, Brinell297297 Estimated from Rockwell C.
Hardness, Knoop322322 Estimated from Rockwell C.
Hardness, Rockwell C3131 
Hardness, Vickers410410 
Tensile Strength, Ultimate1110 MPa161000 psi 
Tensile Strength, Yield1010 MPa146000 psi 
Elongation at Break13 %13 % 
Modulus of Elasticity100 GPa14500 ksi Sample was ST 790C, Aged 510C
Compressive Yield Strength1130 MPa164000 psi 
Ultimate Bearing Strength2240 MPa325000 psi e/D = 2
Bearing Yield Strength1790 MPa260000 psi e/D = 2
Poisson's Ratio0.330.33 Typical for beta titanium alloy.
Fatigue Strength170 MPa24700 psi at 1E+7 cycles. Kt (stress concentration factor) = 3.0
Fatigue Strength690 MPa100000 psi 1E+7 cycles, Unnotched
Fracture Toughness105 MPa-m95.6 ksi-in K(C)
Shear Modulus37.6 GPa5450 ksi Calculated from typical values.
Shear Strength720 MPa104000 psi Ultimate shear strength

Electrical Properties
Electrical Resistivity0.00014 ohm-cm0.00014 ohm-cm 

Thermal Properties
CTE, linear 20C8.5 m/m-C4.72 in/in-F 20-95C
CTE, linear 250C9.1 m/m-C5.06 in/in-F 
CTE, linear 500C9.8 m/m-C5.44 in/in-F 
Specific Heat Capacity0.5 J/g-C0.12 BTU/lb-F at 20C. Value at 400C is 0.649 J/g-C
Thermal Conductivity8.08 W/m-K56.1 BTU-in/hr-ft-F 
Beta Transus760 C1400 F 

References for this datasheet.

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