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Grade 34 Titanium vs. Grade Ti-Pd17 Titanium

Both grade 34 titanium and grade Ti-Pd17 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 34 titanium and the bottom bar is grade Ti-Pd17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
22
Fatigue Strength, MPa 310
140
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 510
270
Tensile Strength: Yield (Proof), MPa 450
190

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 3.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
7.1

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 33
36
Embodied Energy, MJ/kg 530
600
Embodied Water, L/kg 200
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
55
Resilience: Unit (Modulus of Resilience), kJ/m3 960
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 8.4
8.8
Thermal Shock Resistance, points 39
21

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.2
Nickel (Ni), % 0.35 to 0.55
0 to 0.030
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0 to 0.25
Palladium (Pd), % 0.010 to 0.020
0.040 to 0.080
Ruthenium (Ru), % 0.020 to 0.040
0
Titanium (Ti), % 98 to 99.52
98.9 to 99.96
Residuals, % 0 to 0.4
0 to 0.4