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Annealed Grade 5 Titanium

Annealed grade 5 titanium is grade 5 titanium in the annealed condition. The graph bars on the material properties cards below compare annealed grade 5 titanium 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

110 GPa 15 x 106 psi

Elongation at Break

11 %

Fatigue Strength

530 MPa 78 x 103 psi

Poisson's Ratio

0.32

Reduction in Area

25 %

Rockwell C Hardness

33

Shear Modulus

40 GPa 5.8 x 106 psi

Shear Strength

600 MPa 87 x 103 psi

Tensile Strength: Ultimate (UTS)

1000 MPa 140 x 103 psi

Tensile Strength: Yield (Proof)

910 MPa 130 x 103 psi

Thermal Properties

Latent Heat of Fusion

410 J/g

Maximum Temperature: Mechanical

330 °C 620 °F

Melting Completion (Liquidus)

1610 °C 2930 °F

Melting Onset (Solidus)

1650 °C 3000 °F

Specific Heat Capacity

560 J/kg-K 0.13 BTU/lb-°F

Thermal Conductivity

6.8 W/m-K 3.9 BTU/h-ft-°F

Thermal Expansion

8.9 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.0 % IACS

Otherwise Unclassified Properties

Base Metal Price

36 % relative

Density

4.4 g/cm3 280 lb/ft3

Embodied Carbon

38 kg CO2/kg material

Embodied Energy

610 MJ/kg 260 x 103 BTU/lb

Embodied Water

200 L/kg 24 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m3

Resilience: Unit (Modulus of Resilience)

3980 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

35 points

Strength to Weight: Axial

62 points

Strength to Weight: Bending

50 points

Thermal Diffusivity

2.7 mm2/s

Thermal Shock Resistance

76 points

Alloy Composition

Titanium (Ti) 87.4 to 91
Aluminum (Al) 5.5 to 6.8
Vanadium (V) 3.5 to 4.5
Iron (Fe) 0 to 0.4
Oxygen (O) 0 to 0.2
Carbon (C) 0 to 0.080
Nitrogen (N) 0 to 0.050
Hydrogen (H) 0 to 0.015
Yttrium (Y) 0 to 0.0050
Residuals 0 to 0.4

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

Followup Questions

Further Reading

ASTM F1472: Standard Specification for Wrought Titanium-6Aluminum-4Vanadium Alloy for Surgical Implant Applications (UNS R56400)

ISO 5832-3: Implants for surgery - Metallic materials - Part 3: Wrought titanium 6-aluminium 4-vanadium alloy

ASTM B861: Standard Specification for Titanium and Titanium Alloy Seamless Pipe

ASTM B381: Standard Specification for Titanium and Titanium Alloy Forgings

ASTM B265: Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate

ASTM B348: Standard Specification for Titanium and Titanium Alloy Bars and Billets

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

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

Aerospace Materials, Brian Cantor et al. (editors), 2001

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