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R30003 Cobalt vs. N08026 Nickel

R30003 cobalt belongs to the cobalt alloys classification, while N08026 nickel belongs to the nickel alloys. They have 57% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30003 cobalt and the bottom bar is N08026 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 10 to 73
34
Fatigue Strength, MPa 320 to 560
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
80
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
620
Tensile Strength: Yield (Proof), MPa 510 to 1090
270

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 95
41
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.0
7.2
Embodied Energy, MJ/kg 110
98
Embodied Water, L/kg 400
240

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32 to 57
21
Strength to Weight: Bending, points 26 to 38
20
Thermal Diffusivity, mm2/s 3.3
3.2
Thermal Shock Resistance, points 26 to 45
15

Alloy Composition

Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 19 to 21
22 to 26
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 10 to 20.5
24.4 to 37.9
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 6.0 to 8.0
5.0 to 6.7
Nickel (Ni), % 14 to 16
33 to 37.2
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030