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N06058 Nickel vs. R30012 Cobalt

N06058 nickel belongs to the nickel alloys classification, while R30012 cobalt belongs to the cobalt alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 N06058 nickel and the bottom bar is R30012 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 45
1.0
Fatigue Strength, MPa 350
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
86
Tensile Strength: Ultimate (UTS), MPa 860
830
Tensile Strength: Yield (Proof), MPa 410
650

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1540
1470
Melting Onset (Solidus), °C 1490
1280
Specific Heat Capacity, J/kg-K 420
440
Thermal Conductivity, W/m-K 9.8
15
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 13
8.3
Embodied Energy, MJ/kg 170
120
Embodied Water, L/kg 310
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 370
960
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 2.6
3.8
Thermal Shock Resistance, points 23
23

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.010
1.4 to 2.0
Chromium (Cr), % 20 to 23
27 to 32
Cobalt (Co), % 0 to 0.3
47.5 to 64.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 1.5
0 to 3.0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 19 to 21
0 to 1.0
Nickel (Ni), % 52.2 to 61
0 to 3.0
Nitrogen (N), % 0.020 to 0.15
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.1
0 to 2.0
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 0 to 0.3
7.5 to 9.5