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Grade Ti-Pd8A Titanium vs. Grade C-2 Titanium

Both grade Ti-Pd8A titanium and grade C-2 titanium are titanium alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd8A titanium and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
17
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 500
390
Tensile Strength: Yield (Proof), MPa 430
310

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 320
320
Melting Completion (Liquidus), °C 1660
1660
Melting Onset (Solidus), °C 1610
1610
Specific Heat Capacity, J/kg-K 540
540
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 8.7
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
7.1

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 49
31
Embodied Energy, MJ/kg 840
510
Embodied Water, L/kg 520
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
61
Resilience: Unit (Modulus of Resilience), kJ/m3 880
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 31
24
Strength to Weight: Bending, points 31
26
Thermal Diffusivity, mm2/s 8.6
8.8
Thermal Shock Resistance, points 39
30

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.2
Nickel (Ni), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0 to 0.4
0 to 0.4
Palladium (Pd), % 0.12 to 0.3
0
Titanium (Ti), % 98.8 to 99.9
98.8 to 100
Residuals, % 0
0 to 0.4