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N06007 Nickel vs. R30006 Cobalt

N06007 nickel belongs to the nickel alloys classification, while R30006 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 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is N06007 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, % 38
1.0
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 690
900
Tensile Strength: Yield (Proof), MPa 260
540

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1340
1400
Melting Onset (Solidus), °C 1260
1290
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 10
7.8
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 260
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 170
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 2.7
3.9
Thermal Shock Resistance, points 18
26

Alloy Composition

Carbon (C), % 0 to 0.050
0.9 to 1.4
Chromium (Cr), % 21 to 23.5
27 to 32
Cobalt (Co), % 0 to 2.5
48.6 to 68.1
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 18 to 21
0 to 3.0
Manganese (Mn), % 1.0 to 2.0
0
Molybdenum (Mo), % 5.5 to 7.5
0 to 1.0
Nickel (Ni), % 36.1 to 51.1
0 to 3.0
Niobium (Nb), % 1.8 to 2.5
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 1.0
4.0 to 6.0