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R30001 Cobalt vs. N10276 Nickel

R30001 cobalt belongs to the cobalt alloys classification, while N10276 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is N10276 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 1.0
47
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 86
84
Tensile Strength: Ultimate (UTS), MPa 620
780

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1530
1370
Melting Onset (Solidus), °C 1260
1320
Specific Heat Capacity, J/kg-K 430
410
Thermal Conductivity, W/m-K 15
9.1
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.1
Embodied Carbon, kg CO2/kg material 8.9
13
Embodied Energy, MJ/kg 130
170
Embodied Water, L/kg 460
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.7
2.4
Thermal Shock Resistance, points 19
23

Alloy Composition

Carbon (C), % 2.0 to 3.0
0 to 0.010
Chromium (Cr), % 28 to 32
14.5 to 16.5
Cobalt (Co), % 43 to 59
0 to 2.5
Iron (Fe), % 0 to 3.0
4.0 to 7.0
Manganese (Mn), % 0
0 to 0.010
Molybdenum (Mo), % 0 to 1.0
15 to 17
Nickel (Ni), % 0 to 3.0
51 to 63.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.080
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 11 to 13
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35