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N10675 Nickel vs. R31538 Cobalt

N10675 nickel belongs to the nickel alloys classification, while R31538 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is N10675 nickel and the bottom bar is R31538 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 47
13 to 23
Fatigue Strength, MPa 350
310 to 480
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
86
Tensile Strength: Ultimate (UTS), MPa 860
1020 to 1360
Tensile Strength: Yield (Proof), MPa 400
580 to 930

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1370
1290
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.2
2.1

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.4
Embodied Carbon, kg CO2/kg material 16
8.1
Embodied Energy, MJ/kg 210
110
Embodied Water, L/kg 280
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 350
750 to 1920
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26
34 to 45
Strength to Weight: Bending, points 22
27 to 32
Thermal Diffusivity, mm2/s 3.1
3.5
Thermal Shock Resistance, points 26
25 to 33

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.010
0.15 to 0.35
Chromium (Cr), % 1.0 to 3.0
26 to 30
Cobalt (Co), % 0 to 3.0
58.7 to 68.9
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 1.0 to 3.0
0 to 0.75
Manganese (Mn), % 0 to 3.0
0 to 1.0
Molybdenum (Mo), % 27 to 32
5.0 to 7.0
Nickel (Ni), % 51.3 to 71
0 to 1.0
Niobium (Nb), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0
Tantalum (Ta), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0 to 3.0
0
Vanadium (V), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0