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Grade 32 Titanium vs. Grade Ti-Pd18 Titanium

Both grade 32 titanium and grade Ti-Pd18 titanium are titanium alloys. They have a moderately high 95% of their average alloy composition in common. 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 32 titanium and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
17
Fatigue Strength, MPa 390
350
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 770
710
Tensile Strength: Yield (Proof), MPa 670
540

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 310
330
Melting Completion (Liquidus), °C 1610
1640
Melting Onset (Solidus), °C 1560
1590
Specific Heat Capacity, J/kg-K 550
550
Thermal Conductivity, W/m-K 7.5
8.2
Thermal Expansion, µm/m-K 8.2
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 32
41
Embodied Energy, MJ/kg 530
670
Embodied Water, L/kg 180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 47
44
Strength to Weight: Bending, points 41
39
Thermal Diffusivity, mm2/s 3.0
3.3
Thermal Shock Resistance, points 63
52

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
2.5 to 3.5
Carbon (C), % 0 to 0.080
0 to 0.1
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.25
Molybdenum (Mo), % 0.6 to 1.2
0
Nickel (Ni), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.060 to 0.14
0
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
92.5 to 95.5
Vanadium (V), % 0.6 to 1.4
2.0 to 3.0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0 to 0.4