Chromium 33 vs. AWS BCo-1
Chromium 33 belongs to the otherwise unclassified metals classification, while AWS BCo-1 belongs to the cobalt alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is chromium 33 and the bottom bar is AWS BCo-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.27 | |
| 0.3 |
| Shear Modulus, GPa | 81 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 850 | |
| 700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 6.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 84 | |
| 110 |
| Embodied Water, L/kg | 250 | |
| 430 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 30 | |
| 24 |
| Strength to Weight: Bending, points | 25 | |
| 22 |
| Thermal Shock Resistance, points | 21 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Boron (B), % | 0 | |
| 0.7 to 0.9 |
| Carbon (C), % | 0 to 0.015 | |
| 0.35 to 0.45 |
| Chromium (Cr), % | 31 to 35 | |
| 18 to 20 |
| Cobalt (Co), % | 0 | |
| 46 to 54 |
| Copper (Cu), % | 0.3 to 1.2 | |
| 0 |
| Iron (Fe), % | 25.7 to 37.9 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 0.5 to 2.0 | |
| 0 |
| Nickel (Ni), % | 30 to 33 | |
| 16 to 18 |
| Nitrogen (N), % | 0.35 to 0.6 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.5 | |
| 7.5 to 8.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 | |
| 0 to 0.050 |
| Tungsten (W), % | 0 | |
| 3.5 to 4.5 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 | |
| 0 to 0.5 |