AWS ERNiCrMo-2 vs. EN 2.4964 Cobalt
AWS ERNiCrMo-2 belongs to the nickel alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is EN 2.4964 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 220 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 86 |
| Tensile Strength: Ultimate (UTS), MPa | 750 | |
| 960 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 290 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1630 |
| Melting Onset (Solidus), °C | 1410 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 400 |
| Thermal Conductivity, W/m-K | 11 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 1.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 9.6 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 9.8 |
| Embodied Energy, MJ/kg | 120 | |
| 140 |
| Embodied Water, L/kg | 270 | |
| 450 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 21 |
| Strength to Weight: Axial, points | 25 | |
| 28 |
| Strength to Weight: Bending, points | 22 | |
| 23 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 3.9 |
| Thermal Shock Resistance, points | 20 | |
| 25 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.15 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 20.5 to 23 | |
| 19 to 21 |
| Cobalt (Co), % | 0.5 to 2.5 | |
| 46.4 to 58 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 17 to 20 | |
| 0 to 3.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 40.3 to 53.8 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tungsten (W), % | 0.2 to 1.0 | |
| 14 to 16 |
| Residuals, % | 0 to 0.5 | |
| 0 |