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Titanium 15-3-3-3 (Ti-15V, R58153)

Titanium 15-3-3-3 is a titanium alloy formulated for primary forming into wrought products. R58153 is the UNS number for this material. Ti-15V is the common industry name.

It can have the highest tensile strength among wrought titaniums. In addition, it has the highest embodied energy and can have a fairly low ductility.

The properties of titanium 15-3-3-3 include two common variations. This page shows summary ranges across both of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare titanium 15-3-3-3 to: wrought titaniums (top), all titanium alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

100 GPa 15 x 106 psi

Elongation at Break

5.7 to 8.0 %

Fatigue Strength

610 to 710 MPa 88 to 100 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

39 GPa 5.7 x 106 psi

Shear Strength

660 to 810 MPa 96 to 120 x 103 psi

Tensile Strength: Ultimate (UTS)

1120 to 1390 MPa 160 to 200 x 103 psi

Tensile Strength: Yield (Proof)

1100 to 1340 MPa 160 to 190 x 103 psi

Thermal Properties

Latent Heat of Fusion

390 J/g

Maximum Temperature: Mechanical

430 °C 800 °F

Melting Completion (Liquidus)

1620 °C 2940 °F

Melting Onset (Solidus)

1560 °C 2850 °F

Specific Heat Capacity

520 J/kg-K 0.12 BTU/lb-°F

Thermal Conductivity

8.1 W/m-K 4.7 BTU/h-ft-°F

Thermal Expansion

9.8 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.3 % IACS

Otherwise Unclassified Properties

Base Metal Price

40 % relative

Density

4.8 g/cm3 300 lb/ft3

Embodied Carbon

59 kg CO2/kg material

Embodied Energy

950 MJ/kg 410 x 103 BTU/lb

Embodied Water

260 L/kg 31 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

78 to 89 MJ/m3

Stiffness to Weight: Axial

12 points

Stiffness to Weight: Bending

32 points

Strength to Weight: Axial

64 to 80 points

Strength to Weight: Bending

50 to 57 points

Thermal Diffusivity

3.2 mm2/s

Thermal Shock Resistance

79 to 98 points

Alloy Composition

Titanium (Ti) 72.6 to 78.5
Vanadium (V) 14 to 16
Chromium (Cr) 2.5 to 3.5
Aluminum (Al) 2.5 to 3.5
Tin (Sn) 2.5 to 3.5
Iron (Fe) 0 to 0.25
Oxygen (O) 0 to 0.13
Carbon (C) 0 to 0.050
Nitrogen (N) 0 to 0.050
Hydrogen (H) 0 to 0.015
Residuals 0 to 0.4

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

Titanium and Titanium Alloys: Fundamentals and Applications, Christoph Leyens and Manfred Peters (editors), 2003

Titanium, 2nd ed., G. Lutjering and J. C. Williams, 2007

Sintering of Advanced Materials: Fundamentals and Processes, Zhigang Zak Fang (editor), 2010