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R31539 Cobalt vs. N06045 Nickel

R31539 cobalt belongs to the cobalt alloys classification, while N06045 nickel belongs to the nickel alloys. They have a modest 29% 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 (10, in this case) are not shown.

For each property being compared, the top bar is R31539 cobalt and the bottom bar is N06045 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 13 to 22
37
Fatigue Strength, MPa 310 to 480
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
77
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
690
Tensile Strength: Yield (Proof), MPa 590 to 940
270

Thermal Properties

Latent Heat of Fusion, J/g 320
350
Melting Completion (Liquidus), °C 1360
1350
Melting Onset (Solidus), °C 1290
1300
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.2
6.9
Embodied Energy, MJ/kg 110
98
Embodied Water, L/kg 530
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 190
200
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 2000
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33 to 44
24
Strength to Weight: Bending, points 27 to 32
22
Thermal Shock Resistance, points 24 to 32
18

Alloy Composition

Aluminum (Al), % 0.3 to 1.0
0
Carbon (C), % 0 to 0.14
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.090
Chromium (Cr), % 26 to 30
26 to 29
Cobalt (Co), % 57.7 to 68.7
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 0.75
21 to 25
Lanthanum (La), % 0.030 to 0.2
0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
45 to 50.4
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 1.0
2.5 to 3.0
Sulfur (S), % 0
0 to 0.010