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

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. % Al 3   Cr 3   Sn 3   Ti 76   V 15

Material Notes:
ST=solution Treated

Physical Properties	Metric	English	Comments
Density	4.76 g/cc	0.172 lb/in³
Mechanical Properties
Hardness, Brinell	297	297	Estimated from Rockwell C.
Hardness, Knoop	322	322	Estimated from Rockwell C.
Hardness, Rockwell C	31	31
Hardness, Vickers	410	410
Tensile Strength, Ultimate	1110 MPa	161000 psi
Tensile Strength, Yield	1010 MPa	146000 psi
Elongation at Break	13 %	13 %
Modulus of Elasticity	100 GPa	14500 ksi	Sample was ST 790ºC, Aged 510ºC
Compressive Yield Strength	1130 MPa	164000 psi
Ultimate Bearing Strength	2240 MPa	325000 psi	e/D = 2
Bearing Yield Strength	1790 MPa	260000 psi	e/D = 2
Poisson's Ratio	0.33	0.33	Typical for beta titanium alloy.
Fatigue Strength	170 MPa	24700 psi	at 1E+7 cycles. Kt (stress concentration factor) = 3.0
Fatigue Strength	690 MPa	100000 psi	1E+7 cycles, Unnotched
Fracture Toughness	105 MPa-m½	95.6 ksi-in½	K(C)
Shear Modulus	37.6 GPa	5450 ksi	Calculated from typical values.
Shear Strength	720 MPa	104000 psi	Ultimate shear strength
Electrical Properties
Electrical Resistivity	0.00014 ohm-cm	0.00014 ohm-cm
Thermal Properties
CTE, linear 20°C	8.5 µm/m-°C	4.72 µin/in-°F	20-95ºC
CTE, linear 250°C	9.1 µm/m-°C	5.06 µin/in-°F
CTE, linear 500°C	9.8 µm/m-°C	5.44 µin/in-°F
Specific Heat Capacity	0.5 J/g-°C	0.12 BTU/lb-°F	at 20ºC. Value at 400ºC is 0.649 J/g-ºC
Thermal Conductivity	8.08 W/m-K	56.1 BTU-in/hr-ft²-°F
Beta Transus	760 °C	1400 °F

References for this datasheet.