AWS BCo-1 vs. C77300 Nickel Silver
AWS BCo-1 belongs to the cobalt alloys classification, while C77300 nickel silver belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AWS BCo-1 and the bottom bar is C77300 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Poisson's Ratio | 0.3 | |
| 0.3 |
| Shear Modulus, GPa | 78 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 540 |
Thermal Properties
| Brazing Temperature, °C | 1150 to 1230 | |
| 940 to 980 |
| Latent Heat of Fusion, J/g | 420 | |
| 180 |
| Melting Completion (Liquidus), °C | 1150 | |
| 940 |
| Melting Onset (Solidus), °C | 1120 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Expansion, µm/m-K | 12 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 3.5 |
| Embodied Energy, MJ/kg | 110 | |
| 56 |
| Embodied Water, L/kg | 430 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 24 | |
| 19 |
| Strength to Weight: Bending, points | 22 | |
| 19 |
| Thermal Shock Resistance, points | 21 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.010 |
| 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 | |
| 46 to 50 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 16 to 18 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.25 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.5 to 8.5 | |
| 0.040 to 0.25 |
| 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 | |
| 37.9 to 45 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |