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Grade Ti-Pd8A Titanium vs. Grade 15 Titanium

Both grade Ti-Pd8A titanium and grade 15 titanium are titanium alloys. Their average alloy composition is basically identical. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 15 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
20
Fatigue Strength, MPa 260
290
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 430
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 21
21
Thermal Expansion, µm/m-K 8.7
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
6.7

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 49
32
Embodied Energy, MJ/kg 840
520
Embodied Water, L/kg 520
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
100
Resilience: Unit (Modulus of Resilience), kJ/m3 880
870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 31
33
Strength to Weight: Bending, points 31
33
Thermal Diffusivity, mm2/s 8.6
8.4
Thermal Shock Resistance, points 39
41

Alloy Composition


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Carbon (C), % 0 to 0.1
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.3
Nickel (Ni), % 0 to 0.050
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0 to 0.4
0 to 0.25
Palladium (Pd), % 0.12 to 0.3
0
Ruthenium (Ru), % 0
0.040 to 0.060
Titanium (Ti), % 98.8 to 99.9
98.2 to 99.56
Residuals, % 0 to 0.4
0 to 0.4