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R31539 Cobalt vs. Nickel 200

R31539 cobalt belongs to the cobalt alloys classification, while nickel 200 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 200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Elongation at Break, % 13 to 22
23 to 44
Fatigue Strength, MPa 310 to 480
120 to 350
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 86
70
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
420 to 540
Tensile Strength: Yield (Proof), MPa 590 to 940
120 to 370

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1290
1440
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 13
69
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
18

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.2
11
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 530
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 190
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 2000
42 to 370
Stiffness to Weight: Axial, points 15
11
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 33 to 44
13 to 17
Strength to Weight: Bending, points 27 to 32
14 to 17
Thermal Diffusivity, mm2/s 3.5
17
Thermal Shock Resistance, points 24 to 32
13 to 16

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
0
Cobalt (Co), % 57.7 to 68.7
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.75
0 to 0.4
Lanthanum (La), % 0.030 to 0.2
0
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
99 to 100
Nitrogen (N), % 0 to 0.25
0
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0
0 to 0.010

Comparable Variants