R30035 Cobalt vs. AWS BNi-11
R30035 cobalt belongs to the cobalt alloys classification, while AWS BNi-11 belongs to the nickel alloys. They have 46% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is R30035 cobalt and the bottom bar is AWS BNi-11.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 to 230 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 84 to 89 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1900 | |
| 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 340 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1100 |
| Melting Onset (Solidus), °C | 1320 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 450 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 100 | |
| 75 |
| Density, g/cm3 | 8.7 | |
| 9.1 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 11 |
| Embodied Energy, MJ/kg | 140 | |
| 160 |
| Embodied Water, L/kg | 410 | |
| 230 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 to 15 | |
| 12 |
| Stiffness to Weight: Bending, points | 23 to 24 | |
| 21 |
| Strength to Weight: Axial, points | 29 to 61 | |
| 18 |
| Strength to Weight: Bending, points | 24 to 39 | |
| 17 |
| Thermal Shock Resistance, points | 23 to 46 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Boron (B), % | 0 to 0.015 | |
| 2.2 to 3.1 |
| Carbon (C), % | 0 to 0.025 | |
| 0.3 to 0.5 |
| Chromium (Cr), % | 19 to 21 | |
| 9.0 to 11.8 |
| Cobalt (Co), % | 29.1 to 39 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.0 | |
| 2.5 to 4.0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 |
| Molybdenum (Mo), % | 9.0 to 10.5 | |
| 0 |
| Nickel (Ni), % | 33 to 37 | |
| 62.9 to 71.2 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.15 | |
| 3.4 to 4.3 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 to 0.050 |
| Tungsten (W), % | 0 | |
| 11.5 to 12.8 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 | |
| 0 to 0.5 |