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N07776 Nickel vs. R30006 Cobalt

N07776 nickel belongs to the nickel alloys classification, while R30006 cobalt belongs to the cobalt alloys. They have a modest 22% 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 (11, in this case) are not shown.

For each property being compared, the top bar is N07776 nickel and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 39
1.0
Fatigue Strength, MPa 220
260
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 700
900
Tensile Strength: Yield (Proof), MPa 270
540

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1550
1400
Melting Onset (Solidus), °C 1500
1290
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 15
7.8
Embodied Energy, MJ/kg 210
110
Embodied Water, L/kg 270
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 180
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 20
26

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
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Iron (Fe), % 0 to 24.5
0 to 3.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 9.0 to 15
0 to 1.0
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 to 2.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0.5 to 2.5
4.0 to 6.0