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N06210 Nickel vs. R30021 Cobalt

N06210 nickel belongs to the nickel alloys classification, while R30021 cobalt belongs to the cobalt alloys. They have a modest 28% 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 N06210 nickel and the bottom bar is R30021 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 51
9.0
Fatigue Strength, MPa 320
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
86
Tensile Strength: Ultimate (UTS), MPa 780
700
Tensile Strength: Yield (Proof), MPa 350
500

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Melting Completion (Liquidus), °C 1570
1350
Melting Onset (Solidus), °C 1510
1190
Specific Heat Capacity, J/kg-K 420
450
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 17
8.0
Embodied Energy, MJ/kg 250
110
Embodied Water, L/kg 310
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
57
Resilience: Unit (Modulus of Resilience), kJ/m3 280
570
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 22
21

Alloy Composition

Carbon (C), % 0 to 0.015
0.2 to 0.35
Chromium (Cr), % 18 to 20
26 to 29
Cobalt (Co), % 0 to 1.0
61.7 to 67.3
Iron (Fe), % 0 to 1.0
0 to 3.0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 18 to 20
4.5 to 6.0
Nickel (Ni), % 54.8 to 62.5
2.0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.080
0 to 1.5
Sulfur (S), % 0 to 0.020
0
Tantalum (Ta), % 1.5 to 2.2
0
Vanadium (V), % 0 to 0.35
0