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N06255 Nickel vs. R31537 Cobalt

N06255 nickel belongs to the nickel alloys classification, while R31537 cobalt belongs to the cobalt alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is N06255 nickel and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 45
14 to 23
Fatigue Strength, MPa 210
310 to 480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
87
Tensile Strength: Ultimate (UTS), MPa 660
1000 to 1340
Tensile Strength: Yield (Proof), MPa 250
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 9.4
8.1
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 270
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
780 to 1990
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
33 to 44
Strength to Weight: Bending, points 20
26 to 32
Thermal Shock Resistance, points 17
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.14
Chromium (Cr), % 23 to 26
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 6.0 to 24
0 to 0.75
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 9.0
5.0 to 7.0
Nickel (Ni), % 47 to 52
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.69
0
Tungsten (W), % 0 to 3.0
0