R30816 Cobalt vs. AWS ENiCrMo-10
R30816 cobalt belongs to the cobalt alloys classification, while AWS ENiCrMo-10 belongs to the nickel alloys. They have 51% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is R30816 cobalt and the bottom bar is AWS ENiCrMo-10.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 220 |
| Elongation at Break, % | 23 | |
| 28 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 1020 | |
| 710 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 320 |
| Melting Completion (Liquidus), °C | 1540 | |
| 1550 |
| Melting Onset (Solidus), °C | 1460 | |
| 1490 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 420 |
| Thermal Conductivity, W/m-K | 13 | |
| 10 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.1 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 20 | |
| 12 |
| Embodied Energy, MJ/kg | 320 | |
| 160 |
| Embodied Water, L/kg | 440 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 23 |
| Strength to Weight: Axial, points | 31 | |
| 22 |
| Strength to Weight: Bending, points | 25 | |
| 20 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 2.7 |
| Thermal Shock Resistance, points | 28 | |
| 19 |
Alloy Composition
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| Carbon (C), % | 0.32 to 0.42 | |
| 0 to 0.020 |
| Chromium (Cr), % | 19 to 21 | |
| 20 to 22.5 |
| Cobalt (Co), % | 40 to 49.8 | |
| 0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 5.0 | |
| 2.0 to 6.0 |
| Manganese (Mn), % | 1.0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 12.5 to 14.5 |
| Nickel (Ni), % | 19 to 21 | |
| 48.4 to 63 |
| Niobium (Nb), % | 3.5 to 4.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tantalum (Ta), % | 3.5 to 4.5 | |
| 0 |
| Tungsten (W), % | 3.5 to 4.5 | |
| 2.5 to 3.5 |
| Vanadium (V), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.5 |