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Nickel 625 vs. Grade 705C Zirconium

Nickel 625 belongs to the nickel alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 33 to 34
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 790 to 910
540
Tensile Strength: Yield (Proof), MPa 320 to 450
390

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Specific Heat Capacity, J/kg-K 440
270
Thermal Conductivity, W/m-K 11
18
Thermal Expansion, µm/m-K 13
5.7

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
66
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
790
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 22 to 24
22
Thermal Diffusivity, mm2/s 2.9
9.9
Thermal Shock Resistance, points 22 to 25
69

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
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 5.0
0 to 0.3
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
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Zirconium (Zr), % 0
91.9 to 98