Commercially Pure Silver vs. C72900 Copper-nickel
Commercially pure silver belongs to the otherwise unclassified metals classification, while C72900 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is commercially pure silver and the bottom bar is C72900 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 120 |
| Elongation at Break, % | 1.1 to 29 | |
| 6.0 to 20 |
| Poisson's Ratio | 0.37 | |
| 0.34 |
| Shear Modulus, GPa | 26 | |
| 45 |
| Shear Strength, MPa | 120 to 190 | |
| 540 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 340 | |
| 870 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 210 |
| Melting Completion (Liquidus), °C | 960 | |
| 1120 |
| Melting Onset (Solidus), °C | 960 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 380 |
| Thermal Conductivity, W/m-K | 420 | |
| 29 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 100 | |
| 7.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 | |
| 8.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 8.8 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.8 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 13 | |
| 19 |
| Strength to Weight: Axial, points | 4.9 to 8.9 | |
| 27 to 34 |
| Strength to Weight: Bending, points | 6.9 to 10 | |
| 23 to 27 |
| Thermal Diffusivity, mm2/s | 170 | |
| 8.6 |
| Thermal Shock Resistance, points | 9.5 to 17 | |
| 31 to 38 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 74.1 to 78 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 14.5 to 15.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Silver (Ag), % | 99.9 to 100 | |
| 0 |
| Tin (Sn), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.3 |