AWS ERNiCrCoMo-1 vs. R30155 Cobalt
AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while R30155 cobalt belongs to the iron alloys. They have 59% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCrCoMo-1 and the bottom bar is R30155 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 210 |
| Elongation at Break, % | 28 | |
| 34 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 300 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1470 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 450 |
| Thermal Conductivity, W/m-K | 13 | |
| 12 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 80 |
| Density, g/cm3 | 8.5 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 9.7 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 350 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 23 | |
| 28 |
| Strength to Weight: Bending, points | 21 | |
| 24 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 3.2 |
| Thermal Shock Resistance, points | 19 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 0.8 to 1.5 | |
| 0 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0.080 to 0.16 |
| Chromium (Cr), % | 20 to 24 | |
| 20 to 22.5 |
| Cobalt (Co), % | 10 to 15 | |
| 18.5 to 21 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 0 to 3.0 | |
| 24.3 to 36.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 2.5 to 3.5 |
| Nickel (Ni), % | 42.7 to 61.2 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 0.75 to 1.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 | |
| 0.75 to 1.3 |
| Titanium (Ti), % | 0 to 0.6 | |
| 0 |
| Tungsten (W), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 to 0.5 | |
| 0 |