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R30001 Cobalt vs. N06255 Nickel

R30001 cobalt belongs to the cobalt alloys classification, while N06255 nickel belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is N06255 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 1.0
45
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 86
81
Tensile Strength: Ultimate (UTS), MPa 620
660

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1530
1470
Melting Onset (Solidus), °C 1260
1420
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 8.9
9.4
Embodied Energy, MJ/kg 130
130
Embodied Water, L/kg 460
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 18
20
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 2.0 to 3.0
0 to 0.030
Chromium (Cr), % 28 to 32
23 to 26
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
0 to 1.2
Iron (Fe), % 0 to 3.0
6.0 to 24
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
6.0 to 9.0
Nickel (Ni), % 0 to 3.0
47 to 52
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 11 to 13
0 to 3.0