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Nickel 690 vs. Grade 705C Zirconium

Nickel 690 belongs to the nickel alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
200
Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 3.4 to 34
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 640 to 990
540
Tensile Strength: Yield (Proof), MPa 250 to 760
390

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 14
18
Thermal Expansion, µm/m-K 14
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.7
Embodied Water, L/kg 290
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
66
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
790
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 33
22
Strength to Weight: Bending, points 20 to 27
22
Thermal Diffusivity, mm2/s 3.5
9.9
Thermal Shock Resistance, points 16 to 25
69

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 7.0 to 11
0 to 0.3
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 58 to 66
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Zirconium (Zr), % 0
91.9 to 98