ASTM B628 Ag-Cu vs. Commercially Pure Silver
Both ASTM B628 Ag-Cu and commercially pure silver are otherwise unclassified metals. They have 72% of their average alloy composition in common. There are 19 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 ASTM B628 Ag-Cu and the bottom bar is commercially pure silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 71 |
| Elongation at Break, % | 1.1 to 17 | |
| 1.1 to 29 |
| Poisson's Ratio | 0.36 | |
| 0.37 |
| Shear Modulus, GPa | 31 | |
| 26 |
| Shear Strength, MPa | 210 to 430 | |
| 120 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 760 | |
| 190 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 110 |
| Melting Completion (Liquidus), °C | 780 | |
| 960 |
| Melting Onset (Solidus), °C | 780 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 280 | |
| 240 |
| Thermal Expansion, µm/m-K | 19 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 84 | |
| 100 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 75 | |
| 87 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.6 | |
| 3.8 |
| Stiffness to Weight: Bending, points | 14 | |
| 13 |
| Strength to Weight: Axial, points | 9.5 to 21 | |
| 4.9 to 8.9 |
| Strength to Weight: Bending, points | 11 to 18 | |
| 6.9 to 10 |
| Thermal Shock Resistance, points | 16 to 34 | |
| 9.5 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 26.6 to 29 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silver (Ag), % | 71 to 73 | |
| 99.9 to 100 |
| Zinc (Zn), % | 0 to 0.060 | |
| 0 |
| Residuals, % | 0 to 0.21 | |
| 0 to 0.1 |