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N07776 Nickel vs. R30016 Cobalt

N07776 nickel belongs to the nickel alloys classification, while R30016 cobalt belongs to the cobalt alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is N07776 nickel and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 39
8.4
Fatigue Strength, MPa 220
290
Poisson's Ratio 0.3
0.28
Reduction in Area, % 57
8.0
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 700
1010
Tensile Strength: Yield (Proof), MPa 270
580

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1550
1360
Melting Onset (Solidus), °C 1500
1270
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 15
7.7
Embodied Energy, MJ/kg 210
110
Embodied Water, L/kg 270
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
72
Resilience: Unit (Modulus of Resilience), kJ/m3 180
770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
33
Strength to Weight: Bending, points 20
26
Thermal Shock Resistance, points 20
24

Alloy Composition

Aluminum (Al), % 0 to 2.0
0
Carbon (C), % 0 to 0.030
0.9 to 1.4
Chromium (Cr), % 12 to 22
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Iron (Fe), % 0 to 24.5
0 to 3.0
Manganese (Mn), % 0 to 1.0
0.5 to 2.0
Molybdenum (Mo), % 9.0 to 15
0 to 1.5
Nickel (Ni), % 50 to 60
0 to 3.0
Niobium (Nb), % 4.0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0.2 to 2.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0.5 to 2.5
3.5 to 5.5