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R30075 Cobalt vs. Nickel 201

R30075 cobalt belongs to the cobalt alloys classification, while nickel 201 belongs to the nickel alloys. 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 R30075 cobalt and the bottom bar is nickel 201.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210 to 250
180
Elongation at Break, % 12
4.5 to 45
Fatigue Strength, MPa 250 to 840
42 to 210
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 82 to 98
70
Tensile Strength: Ultimate (UTS), MPa 780 to 1280
390 to 660
Tensile Strength: Yield (Proof), MPa 480 to 840
80 to 510

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1290
1440
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
78
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
19

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.1
11
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 530
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 140
25 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1410
17 to 720
Stiffness to Weight: Axial, points 14 to 17
11
Stiffness to Weight: Bending, points 24 to 25
21
Strength to Weight: Axial, points 26 to 42
12 to 20
Strength to Weight: Bending, points 22 to 31
13 to 19
Thermal Diffusivity, mm2/s 3.5
20
Thermal Shock Resistance, points 21 to 29
11 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.35
0 to 0.020
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 58.7 to 68
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.75
0 to 0.4
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 0.5
99 to 100
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0 to 0.2
0

Comparable Variants