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Grade Ti-Pd16 Titanium vs. Grade Ti-Pd8A Titanium

Both grade Ti-Pd16 titanium and grade Ti-Pd8A 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 (2, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd16 titanium and the bottom bar is grade Ti-Pd8A titanium.

Metric UnitsUS Customary Units

Mechanical Properties

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

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 22
21
Thermal Expansion, µm/m-K 8.7
8.7

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 36
49
Embodied Energy, MJ/kg 600
840
Embodied Water, L/kg 230
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62
65
Resilience: Unit (Modulus of Resilience), kJ/m3 440
880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 26
31
Thermal Diffusivity, mm2/s 8.9
8.6
Thermal Shock Resistance, points 30
39

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 0.3
0 to 0.25
Nickel (Ni), % 0 to 0.030
0 to 0.050
Oxygen (O), % 0 to 0.18
0 to 0.4
Palladium (Pd), % 0.040 to 0.080
0.12 to 0.3
Titanium (Ti), % 98.8 to 99.96
98.8 to 99.9
Residuals, % 0
0 to 0.4