C70250 Copper vs. 90-silver 10-nickel
C70250 copper belongs to the copper alloys classification, while 90-silver 10-nickel belongs to the otherwise unclassified metals. There are 17 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 C70250 copper and the bottom bar is 90-silver 10-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 82 |
| Poisson's Ratio | 0.34 | |
| 0.36 |
| Shear Modulus, GPa | 44 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
| 250 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 130 |
| Melting Completion (Liquidus), °C | 1100 | |
| 840 |
| Melting Onset (Solidus), °C | 1080 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 260 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 to 50 | |
| 90 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 37 to 51 | |
| 79 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 4.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 14 |
| Strength to Weight: Axial, points | 16 to 23 | |
| 6.7 to 11 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 8.5 to 12 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 11 to 19 |
Alloy Composition
| Copper (Cu), % | 92.7 to 97.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.050 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 2.2 to 4.2 | |
| 8.8 to 11 |
| Silicon (Si), % | 0.25 to 1.2 | |
| 0 |
| Silver (Ag), % | 0 | |
| 89 to 91 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |