AWS BCo-1 vs. Grade 365 Molybdenum
AWS BCo-1 belongs to the cobalt alloys classification, while grade 365 molybdenum belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS BCo-1 and the bottom bar is grade 365 molybdenum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 310 |
| Poisson's Ratio | 0.3 | |
| 0.31 |
| Shear Modulus, GPa | 78 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 250 |
| Thermal Expansion, µm/m-K | 12 | |
| 7.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 28 |
| Embodied Energy, MJ/kg | 110 | |
| 330 |
| Embodied Water, L/kg | 430 | |
| 360 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 17 |
| Stiffness to Weight: Bending, points | 24 | |
| 22 |
| Strength to Weight: Axial, points | 24 | |
| 17 |
| Strength to Weight: Bending, points | 22 | |
| 16 |
| Thermal Shock Resistance, points | 21 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 0.7 to 0.9 | |
| 0 |
| Carbon (C), % | 0.35 to 0.45 | |
| 0 to 0.010 |
| Chromium (Cr), % | 18 to 20 | |
| 0 |
| Cobalt (Co), % | 46 to 54 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 | |
| 99.9 to 100 |
| Nickel (Ni), % | 16 to 18 | |
| 0 to 0.0020 |
| Nitrogen (N), % | 0 | |
| 0 to 0.0020 |
| Oxygen (O), % | 0 | |
| 0 to 0.0015 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.5 to 8.5 | |
| 0 to 0.010 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Tungsten (W), % | 3.5 to 4.5 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |