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Grade Ti-Pd17 Cast Titanium

Grade Ti-Pd17 titanium is a titanium alloy formulated for casting. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. It has the highest ductility and the lowest tensile strength among cast titaniums.

The graph bars on the material properties cards below compare grade Ti-Pd17 titanium to: cast 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

Brinell Hardness

200

Elastic (Young's, Tensile) Modulus

110 GPa 15 x 106 psi

Elongation at Break

22 %

Fatigue Strength

140 MPa 20 x 103 psi

Poisson's Ratio

0.32

Rockwell C Hardness

21

Shear Modulus

40 GPa 5.9 x 106 psi

Tensile Strength: Ultimate (UTS)

270 MPa 39 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

21 W/m-K 12 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)

7.1 % IACS

Otherwise Unclassified Properties

Density

4.5 g/cm3 280 lb/ft3

Embodied Carbon

36 kg CO2/kg material

Embodied Energy

600 MJ/kg 260 x 103 BTU/lb

Embodied Water

230 L/kg 27 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

55 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

17 points

Strength to Weight: Bending

21 points

Thermal Diffusivity

8.8 mm2/s

Thermal Shock Resistance

21 points

Alloy Composition

Titanium (Ti) 98.9 to 99.96
Oxygen (O) 0 to 0.25
Iron (Fe) 0 to 0.2
Palladium (Pd) 0.040 to 0.080
Carbon (C) 0 to 0.1
Nickel (Ni) 0 to 0.030
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

ASTM B367: Standard Specification for Titanium and Titanium Alloy Castings

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

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