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N07752 Nickel vs. R31233 Cobalt

N07752 nickel belongs to the nickel alloys classification, while R31233 cobalt belongs to the cobalt alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N07752 nickel and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 22
17
Fatigue Strength, MPa 450
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
85
Tensile Strength: Ultimate (UTS), MPa 1120
1020
Tensile Strength: Yield (Proof), MPa 740
420

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1380
1350
Melting Onset (Solidus), °C 1330
1330
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 10
8.4
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 260
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1450
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 37
33
Strength to Weight: Bending, points 29
26
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 34
25

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Boron (B), % 0 to 0.0070
0 to 0.015
Carbon (C), % 0.020 to 0.060
0.020 to 0.1
Chromium (Cr), % 14.5 to 17
23.5 to 27.5
Cobalt (Co), % 0 to 0.050
44.7 to 63.3
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
1.0 to 5.0
Manganese (Mn), % 0 to 1.0
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 70 to 77.1
7.0 to 11
Niobium (Nb), % 0.7 to 1.2
0
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0 to 0.0080
0 to 0.030
Silicon (Si), % 0 to 0.5
0.050 to 1.0
Sulfur (S), % 0 to 0.0030
0 to 0.020
Titanium (Ti), % 2.3 to 2.8
0
Tungsten (W), % 0
1.0 to 3.0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.050
0