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Grade 13 (R53413) Titanium

Grade 13 titanium is a titanium alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. R53413 is the UNS number for this material. Additionally, the ASTM designation is Titanium Grade 13.

It has a moderately high thermal conductivity among wrought titaniums. In addition, it has a fairly high ductility and a fairly low tensile strength.

The graph bars on the material properties cards below compare grade 13 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 16 x 106 psi

Elongation at Break

27 %

Fatigue Strength

140 MPa 21 x 103 psi

Poisson's Ratio

0.32

Reduction in Area

34 %

Shear Modulus

41 GPa 5.9 x 106 psi

Shear Strength

200 MPa 29 x 103 psi

Tensile Strength: Ultimate (UTS)

310 MPa 45 x 103 psi

Tensile Strength: Yield (Proof)

190 MPa 28 x 103 psi

Thermal Properties

Latent Heat of Fusion

420 J/g

Maximum Temperature: Mechanical

320 °C 600 °F

Melting Completion (Liquidus)

1660 °C 3020 °F

Melting Onset (Solidus)

1610 °C 2930 °F

Specific Heat Capacity

540 J/kg-K 0.13 BTU/lb-°F

Thermal Conductivity

22 W/m-K 13 BTU/h-ft-°F

Thermal Expansion

8.7 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

3.6 % IACS

Electrical Conductivity: Equal Weight (Specific)

7.2 % IACS

Otherwise Unclassified Properties

Base Metal Price

37 % relative

Density

4.5 g/cm3 280 lb/ft3

Embodied Carbon

32 kg CO2/kg material

Embodied Energy

520 MJ/kg 220 x 103 BTU/lb

Embodied Water

210 L/kg 25 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

73 MJ/m3

Resilience: Unit (Modulus of Resilience)

180 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

35 points

Strength to Weight: Axial

19 points

Strength to Weight: Bending

22 points

Thermal Diffusivity

8.9 mm2/s

Thermal Shock Resistance

24 points

Alloy Composition

Titanium (Ti)Ti 98.5 to 99.56
Nickel (Ni)Ni 0.4 to 0.6
Iron (Fe)Fe 0 to 0.2
Oxygen (O)O 0 to 0.1
Ruthenium (Ru)Ru 0.040 to 0.060
Carbon (C)C 0 to 0.080
Nitrogen (N)N 0 to 0.030
Hydrogen (H)H 0 to 0.015
Residualsres. 0 to 0.4

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

Followup Questions

Similar Alloys

Further Reading

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