AWS BCo-1 vs. C99400 Brass
AWS BCo-1 belongs to the cobalt alloys classification, while C99400 brass belongs to the copper alloys. There are 18 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 C99400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Poisson's Ratio | 0.3 | |
| 0.34 |
| Shear Modulus, GPa | 78 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 460 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 230 |
| Melting Completion (Liquidus), °C | 1150 | |
| 1070 |
| Melting Onset (Solidus), °C | 1120 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Expansion, µm/m-K | 12 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 2.8 |
| Embodied Energy, MJ/kg | 110 | |
| 45 |
| Embodied Water, L/kg | 430 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 24 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 22 | |
| 15 to 17 |
| Thermal Shock Resistance, points | 21 | |
| 16 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0.5 to 2.0 |
| 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 | |
| 83.5 to 96.5 |
| Iron (Fe), % | 0 to 1.0 | |
| 1.0 to 3.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 16 to 18 | |
| 1.0 to 3.5 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.5 to 8.5 | |
| 0.5 to 2.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Tungsten (W), % | 3.5 to 4.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.5 to 5.0 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |