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Grade 20 Titanium vs. Grade Ti-Pd17 Titanium

Both grade 20 titanium and grade Ti-Pd17 titanium are titanium alloys. They have 74% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is grade Ti-Pd17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.7 to 17
22
Fatigue Strength, MPa 550 to 630
140
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
270
Tensile Strength: Yield (Proof), MPa 850 to 1190
190

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 370
320
Melting Completion (Liquidus), °C 1660
1660
Melting Onset (Solidus), °C 1600
1610
Specific Heat Capacity, J/kg-K 520
540
Thermal Expansion, µm/m-K 9.6
8.7

Otherwise Unclassified Properties

Density, g/cm3 5.0
4.5
Embodied Carbon, kg CO2/kg material 52
36
Embodied Energy, MJ/kg 860
600
Embodied Water, L/kg 350
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
55
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
35
Strength to Weight: Axial, points 50 to 70
17
Strength to Weight: Bending, points 41 to 52
21
Thermal Shock Resistance, points 55 to 77
21

Alloy Composition


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Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 5.5 to 6.5
0
Hydrogen (H), % 0 to 0.020
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.2
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.030
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0 to 0.25
Palladium (Pd), % 0.040 to 0.080
0.040 to 0.080
Titanium (Ti), % 71 to 77
98.9 to 99.96
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0 to 0.4