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Nickel 625 vs. Commercially Pure Zirconium

Nickel 625 belongs to the nickel alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 33 to 34
18
Fatigue Strength, MPa 240 to 320
60
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 790 to 910
430
Tensile Strength: Yield (Proof), MPa 320 to 450
240

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Specific Heat Capacity, J/kg-K 440
270
Thermal Conductivity, W/m-K 11
22
Thermal Expansion, µm/m-K 13
5.5

Otherwise Unclassified Properties

Density, g/cm3 8.6
6.7
Embodied Water, L/kg 290
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
65
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
290
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 29
18
Strength to Weight: Bending, points 22 to 24
19
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 22 to 25
56

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 20 to 23
0 to 0.2
Cobalt (Co), % 0 to 1.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 5.0
0 to 0.2
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
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
0
Zirconium (Zr), % 0
94.7 to 100