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R30016 Cobalt vs. N06230 Nickel

R30016 cobalt belongs to the cobalt alloys classification, while N06230 nickel belongs to the nickel alloys. They have a modest 34% 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 R30016 cobalt and the bottom bar is N06230 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 8.4
38 to 48
Fatigue Strength, MPa 290
250 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 85
83
Tensile Strength: Ultimate (UTS), MPa 1010
620 to 840
Tensile Strength: Yield (Proof), MPa 580
330 to 400

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1360
1370
Melting Onset (Solidus), °C 1270
1300
Specific Heat Capacity, J/kg-K 450
420
Thermal Conductivity, W/m-K 15
8.9
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.3

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.5
Embodied Carbon, kg CO2/kg material 7.7
11
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 500
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
200 to 330
Resilience: Unit (Modulus of Resilience), kJ/m3 770
250 to 380
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 33
18 to 25
Strength to Weight: Bending, points 26
17 to 21
Thermal Diffusivity, mm2/s 3.9
2.3
Thermal Shock Resistance, points 24
17 to 23

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Boron (B), % 0
0 to 0.015
Carbon (C), % 0.9 to 1.4
0.050 to 0.15
Chromium (Cr), % 28 to 32
20 to 24
Cobalt (Co), % 49.6 to 66.9
0 to 5.0
Iron (Fe), % 0 to 3.0
0 to 3.0
Lanthanum (La), % 0
0.0050 to 0.050
Manganese (Mn), % 0.5 to 2.0
0.3 to 1.0
Molybdenum (Mo), % 0 to 1.5
1.0 to 3.0
Nickel (Ni), % 0 to 3.0
47.5 to 65.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 2.0
0.25 to 0.75
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 3.5 to 5.5
13 to 15