R30075 Cobalt vs. N06230 Nickel
R30075 cobalt belongs to the cobalt alloys classification, while N06230 nickel belongs to the nickel 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 (4, in this case) are not shown.
For each property being compared, the top bar is R30075 cobalt and the bottom bar is N06230 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 to 250 | |
| 210 |
| Elongation at Break, % | 12 | |
| 38 to 48 |
| Fatigue Strength, MPa | 250 to 840 | |
| 250 to 360 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 82 to 98 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1280 | |
| 620 to 840 |
| Tensile Strength: Yield (Proof), MPa | 480 to 840 | |
| 330 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 310 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1370 |
| Melting Onset (Solidus), °C | 1290 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 420 |
| Thermal Conductivity, W/m-K | 13 | |
| 8.9 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 1.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 9.5 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 11 |
| Embodied Energy, MJ/kg | 110 | |
| 160 |
| Embodied Water, L/kg | 530 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 84 to 140 | |
| 200 to 330 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1410 | |
| 250 to 380 |
| Stiffness to Weight: Axial, points | 14 to 17 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 21 |
| Strength to Weight: Axial, points | 26 to 42 | |
| 18 to 25 |
| Strength to Weight: Bending, points | 22 to 31 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 2.3 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 17 to 23 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.1 | |
| 0.2 to 0.5 |
| Boron (B), % | 0 to 0.010 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.35 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 27 to 30 | |
| 20 to 24 |
| Cobalt (Co), % | 58.7 to 68 | |
| 0 to 5.0 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 to 3.0 |
| Lanthanum (La), % | 0 | |
| 0.0050 to 0.050 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 1.0 |
| Molybdenum (Mo), % | 5.0 to 7.0 | |
| 1.0 to 3.0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 47.5 to 65.2 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.25 to 0.75 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Tungsten (W), % | 0 to 0.2 | |
| 13 to 15 |