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R31539 Cobalt vs. Nickel 600

R31539 cobalt belongs to the cobalt alloys classification, while nickel 600 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R31539 cobalt and the bottom bar is nickel 600.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 13 to 22
3.4 to 35
Fatigue Strength, MPa 310 to 480
220 to 300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
75
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
650 to 990
Tensile Strength: Yield (Proof), MPa 590 to 940
270 to 760

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1360
1410
Melting Onset (Solidus), °C 1290
1350
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.2
9.0
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 530
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 190
31 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 2000
190 to 1490
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 33 to 44
21 to 32
Strength to Weight: Bending, points 27 to 32
20 to 26
Thermal Diffusivity, mm2/s 3.5
3.6
Thermal Shock Resistance, points 24 to 32
19 to 29

Alloy Composition

Aluminum (Al), % 0.3 to 1.0
0
Carbon (C), % 0 to 0.14
0 to 0.15
Chromium (Cr), % 26 to 30
14 to 17
Cobalt (Co), % 57.7 to 68.7
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 0.75
6.0 to 10
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
72 to 80
Nitrogen (N), % 0 to 0.25
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0
0 to 0.015

Comparable Variants