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R30605 Cobalt vs. N06007 Nickel

R30605 cobalt belongs to the cobalt alloys classification, while N06007 nickel belongs to the nickel alloys. They have a modest 35% 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 (7, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is N06007 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
38
Fatigue Strength, MPa 260 to 590
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
690
Tensile Strength: Yield (Proof), MPa 470 to 1600
260

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1410
1340
Melting Onset (Solidus), °C 1330
1260
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 9.6
10
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.4
Embodied Carbon, kg CO2/kg material 9.8
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 450
260

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 33 to 55
23
Strength to Weight: Bending, points 25 to 36
21
Thermal Diffusivity, mm2/s 2.5
2.7
Thermal Shock Resistance, points 31 to 52
18

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 19 to 21
21 to 23.5
Cobalt (Co), % 46.4 to 57
0 to 2.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 0 to 3.0
18 to 21
Manganese (Mn), % 1.0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 0
5.5 to 7.5
Nickel (Ni), % 9.0 to 11
36.1 to 51.1
Niobium (Nb), % 0
1.8 to 2.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
0 to 1.0