AWS BCo-1 vs. Commercially Pure Silver
AWS BCo-1 belongs to the cobalt alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is AWS BCo-1 and the bottom bar is commercially pure silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 71 |
| Poisson's Ratio | 0.3 | |
| 0.37 |
| Shear Modulus, GPa | 78 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 190 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 110 |
| Melting Completion (Liquidus), °C | 1150 | |
| 960 |
| Melting Onset (Solidus), °C | 1120 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 240 |
| Thermal Expansion, µm/m-K | 12 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 3.8 |
| Stiffness to Weight: Bending, points | 24 | |
| 13 |
| Strength to Weight: Axial, points | 24 | |
| 4.9 to 8.9 |
| Strength to Weight: Bending, points | 22 | |
| 6.9 to 10 |
| Thermal Shock Resistance, points | 21 | |
| 9.5 to 17 |
Alloy Composition
| 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 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 16 to 18 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.5 to 8.5 | |
| 0 |
| Silver (Ag), % | 0 | |
| 99.9 to 100 |
| 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 | |
| 0 to 0.1 |