AWS BCo-1 vs. 50Cr-50Ni Alloy
AWS BCo-1 belongs to the cobalt alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. 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 AWS BCo-1 and the bottom bar is 50Cr-50Ni alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 210 |
| Poisson's Ratio | 0.3 | |
| 0.26 |
| Shear Modulus, GPa | 78 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 350 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Expansion, µm/m-K | 12 | |
| 15 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 7.9 |
| Embodied Energy, MJ/kg | 110 | |
| 110 |
| Embodied Water, L/kg | 430 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 21 |
| Strength to Weight: Bending, points | 22 | |
| 20 |
| Thermal Shock Resistance, points | 21 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.25 |
| Boron (B), % | 0.7 to 0.9 | |
| 0 |
| Carbon (C), % | 0.35 to 0.45 | |
| 0 to 0.1 |
| Chromium (Cr), % | 18 to 20 | |
| 48 to 52 |
| Cobalt (Co), % | 46 to 54 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 16 to 18 | |
| 44.5 to 52 |
| Nitrogen (N), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.5 to 8.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 to 0.5 |
| Tungsten (W), % | 3.5 to 4.5 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |