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N06025 Nickel vs. R30016 Cobalt

N06025 nickel belongs to the nickel alloys classification, while R30016 cobalt belongs to the cobalt alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 N06025 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, % 32
8.4
Fatigue Strength, MPa 220
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 760
1010
Tensile Strength: Yield (Proof), MPa 310
580

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1350
1360
Melting Onset (Solidus), °C 1300
1270
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 8.4
7.7
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 290
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
72
Resilience: Unit (Modulus of Resilience), kJ/m3 240
770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
33
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 2.9
3.9
Thermal Shock Resistance, points 21
24

Alloy Composition

Aluminum (Al), % 1.8 to 2.4
0
Carbon (C), % 0.15 to 0.25
0.9 to 1.4
Chromium (Cr), % 24 to 26
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 8.0 to 11
0 to 3.0
Manganese (Mn), % 0 to 0.15
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 59.2 to 65.9
0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0.2 to 2.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.1 to 0.2
0
Tungsten (W), % 0
3.5 to 5.5
Yttrium (Y), % 0.050 to 0.12
0
Zinc (Zn), % 0.010 to 0.1
0