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Grade Ti-Pd18 Titanium vs. Nickel 625

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. 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-Pd18 titanium and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
33 to 34
Fatigue Strength, MPa 350
240 to 320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 710
790 to 910
Tensile Strength: Yield (Proof), MPa 540
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 330
980
Melting Completion (Liquidus), °C 1640
1350
Melting Onset (Solidus), °C 1590
1290
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 8.2
11
Thermal Expansion, µm/m-K 9.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.6
Embodied Carbon, kg CO2/kg material 41
14
Embodied Energy, MJ/kg 670
190
Embodied Water, L/kg 270
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
260 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 44
26 to 29
Strength to Weight: Bending, points 39
22 to 24
Thermal Diffusivity, mm2/s 3.3
2.9
Thermal Shock Resistance, points 52
22 to 25

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.4
Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.050
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.5 to 95.5
0 to 0.4
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0