N06230 Nickel vs. R31538 Cobalt
N06230 nickel belongs to the nickel alloys classification, while R31538 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 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is N06230 nickel and the bottom bar is R31538 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 220 |
| Elongation at Break, % | 38 to 48 | |
| 13 to 23 |
| Fatigue Strength, MPa | 250 to 360 | |
| 310 to 480 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 83 | |
| 86 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 840 | |
| 1020 to 1360 |
| Tensile Strength: Yield (Proof), MPa | 330 to 400 | |
| 580 to 930 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 320 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1360 |
| Melting Onset (Solidus), °C | 1300 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 450 |
| Thermal Conductivity, W/m-K | 8.9 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.3 | |
| 2.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.5 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 8.1 |
| Embodied Energy, MJ/kg | 160 | |
| 110 |
| Embodied Water, L/kg | 290 | |
| 530 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 330 | |
| 140 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 380 | |
| 750 to 1920 |
| Stiffness to Weight: Axial, points | 12 | |
| 15 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 25 | |
| 34 to 45 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 27 to 32 |
| Thermal Diffusivity, mm2/s | 2.3 | |
| 3.5 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 25 to 33 |
Alloy Composition
| Aluminum (Al), % | 0.2 to 0.5 | |
| 0 |
| Boron (B), % | 0 to 0.015 | |
| 0 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0.15 to 0.35 |
| Chromium (Cr), % | 20 to 24 | |
| 26 to 30 |
| Cobalt (Co), % | 0 to 5.0 | |
| 58.7 to 68.9 |
| Iron (Fe), % | 0 to 3.0 | |
| 0 to 0.75 |
| Lanthanum (La), % | 0.0050 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.3 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 1.0 to 3.0 | |
| 5.0 to 7.0 |
| Nickel (Ni), % | 47.5 to 65.2 | |
| 0 to 1.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.25 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tungsten (W), % | 13 to 15 | |
| 0 |