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N06200 Nickel vs. R31538 Cobalt

N06200 nickel belongs to the nickel alloys classification, while R31538 cobalt belongs to the cobalt alloys. They have a modest 31% 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 (5, in this case) are not shown.

For each property being compared, the top bar is N06200 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, % 51
13 to 23
Fatigue Strength, MPa 290
310 to 480
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
86
Tensile Strength: Ultimate (UTS), MPa 780
1020 to 1360
Tensile Strength: Yield (Proof), MPa 320
580 to 930

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1500
1360
Melting Onset (Solidus), °C 1450
1290
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 9.1
13
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 12
8.1
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 310
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 240
750 to 1920
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25
34 to 45
Strength to Weight: Bending, points 22
27 to 32
Thermal Diffusivity, mm2/s 2.4
3.5
Thermal Shock Resistance, points 21
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), % 22 to 24
26 to 30
Cobalt (Co), % 0 to 2.0
58.7 to 68.9
Copper (Cu), % 1.3 to 1.9
0
Iron (Fe), % 0 to 3.0
0 to 0.75
Manganese (Mn), % 0 to 0.010
0 to 1.0
Molybdenum (Mo), % 15 to 17
5.0 to 7.0
Nickel (Ni), % 51 to 61.7
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.010
0