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Nickel 625 vs. Grade Ti-Pd8A Titanium

Nickel 625 belongs to the nickel alloys classification, while grade Ti-Pd8A titanium belongs to the titanium 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 nickel 625 and the bottom bar is grade Ti-Pd8A titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 33 to 34
13
Fatigue Strength, MPa 240 to 320
260
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 790 to 910
500
Tensile Strength: Yield (Proof), MPa 320 to 450
430

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 980
320
Melting Completion (Liquidus), °C 1350
1660
Melting Onset (Solidus), °C 1290
1610
Specific Heat Capacity, J/kg-K 440
540
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
6.9

Otherwise Unclassified Properties

Density, g/cm3 8.6
4.5
Embodied Carbon, kg CO2/kg material 14
49
Embodied Energy, MJ/kg 190
840
Embodied Water, L/kg 290
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
65
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 26 to 29
31
Strength to Weight: Bending, points 22 to 24
31
Thermal Diffusivity, mm2/s 2.9
8.6
Thermal Shock Resistance, points 22 to 25
39

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 5.0
0 to 0.25
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0 to 0.050
Niobium (Nb), % 3.2 to 4.2
0
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
98.8 to 99.9
Residuals, % 0
0 to 0.4