AWS BCo-1 vs. C55281 Copper
AWS BCo-1 belongs to the cobalt alloys classification, while C55281 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AWS BCo-1 and the bottom bar is C55281 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Poisson's Ratio | 0.3 | |
| 0.34 |
| Shear Modulus, GPa | 78 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 190 |
Thermal Properties
| Brazing Temperature, °C | 1150 to 1230 | |
| 720 to 820 |
| Latent Heat of Fusion, J/g | 420 | |
| 190 |
| Melting Completion (Liquidus), °C | 1150 | |
| 810 |
| Melting Onset (Solidus), °C | 1120 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 7.0 |
| Embodied Energy, MJ/kg | 110 | |
| 110 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 24 | |
| 6.1 |
| Strength to Weight: Bending, points | 22 | |
| 8.5 |
| Thermal Shock Resistance, points | 21 | |
| 7.7 |
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 |
| Chromium (Cr), % | 18 to 20 | |
| 0 |
| Cobalt (Co), % | 46 to 54 | |
| 0 |
| Copper (Cu), % | 0 | |
| 88.5 to 89.4 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 16 to 18 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 5.8 to 6.2 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.5 to 8.5 | |
| 0 |
| Silver (Ag), % | 0 | |
| 4.8 to 5.2 |
| 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 to 0.15 |