C73100 Nickel Silver vs. C18700 Copper
Both C73100 nickel silver and C18700 copper are copper alloys. They have 75% of their average alloy composition in common.
For each property being compared, the top bar is C73100 nickel silver and the bottom bar is C18700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 3.4 to 8.0 | |
| 9.0 to 9.6 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 43 |
| Shear Strength, MPa | 260 to 370 | |
| 170 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 640 | |
| 290 to 330 |
| Tensile Strength: Yield (Proof), MPa | 420 to 590 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 200 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1080 |
| Melting Onset (Solidus), °C | 1000 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 35 | |
| 380 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 98 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 30 |
| Density, g/cm3 | 8.4 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.6 |
| Embodied Energy, MJ/kg | 49 | |
| 41 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 35 | |
| 24 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 to 1560 | |
| 240 to 280 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 15 to 21 | |
| 9.0 to 10 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 11 to 12 |
| Thermal Diffusivity, mm2/s | 11 | |
| 110 |
| Thermal Shock Resistance, points | 15 to 21 | |
| 10 to 12 |
Alloy Composition
| Copper (Cu), % | 70.8 to 78 | |
| 98 to 99.2 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0.8 to 1.5 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 0 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 18 to 22 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |