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N06230 Nickel vs. R30012 Cobalt

N06230 nickel belongs to the nickel alloys classification, while R30012 cobalt belongs to the cobalt alloys. They have a modest 37% 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 N06230 nickel and the bottom bar is R30012 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 38 to 48
1.0
Fatigue Strength, MPa 250 to 360
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 83
86
Tensile Strength: Ultimate (UTS), MPa 620 to 840
830
Tensile Strength: Yield (Proof), MPa 330 to 400
650

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1300
1280
Specific Heat Capacity, J/kg-K 420
440
Thermal Conductivity, W/m-K 8.9
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.3
1.8

Otherwise Unclassified Properties

Density, g/cm3 9.5
8.8
Embodied Carbon, kg CO2/kg material 11
8.3
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 290
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 330
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 380
960
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 18 to 25
26
Strength to Weight: Bending, points 17 to 21
22
Thermal Diffusivity, mm2/s 2.3
3.8
Thermal Shock Resistance, points 17 to 23
23

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Boron (B), % 0 to 0.015
0
Carbon (C), % 0.050 to 0.15
1.4 to 2.0
Chromium (Cr), % 20 to 24
27 to 32
Cobalt (Co), % 0 to 5.0
47.5 to 64.1
Iron (Fe), % 0 to 3.0
0 to 3.0
Lanthanum (La), % 0.0050 to 0.050
0
Manganese (Mn), % 0.3 to 1.0
0
Molybdenum (Mo), % 1.0 to 3.0
0 to 1.0
Nickel (Ni), % 47.5 to 65.2
0 to 3.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.25 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 13 to 15
7.5 to 9.5