C79600 Nickel Silver vs. C18400 Copper
Both C79600 nickel silver and C18400 copper are copper alloys. They have 46% of their average alloy composition in common.
For each property being compared, the top bar is C79600 nickel silver and the bottom bar is C18400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 15 | |
| 13 to 50 |
| Poisson's Ratio | 0.3 | |
| 0.34 |
| Rockwell B Hardness | 70 | |
| 16 to 84 |
| Shear Modulus, GPa | 43 | |
| 44 |
| Shear Strength, MPa | 290 | |
| 190 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 270 to 490 |
| Tensile Strength: Yield (Proof), MPa | 300 | |
| 110 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 200 |
| Melting Completion (Liquidus), °C | 930 | |
| 1080 |
| Melting Onset (Solidus), °C | 880 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 36 | |
| 320 |
| Thermal Expansion, µm/m-K | 21 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 80 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 31 |
| Density, g/cm3 | 7.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 2.6 |
| Embodied Energy, MJ/kg | 57 | |
| 41 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 | |
| 63 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 54 to 980 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 17 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 17 | |
| 10 to 16 |
| Thermal Diffusivity, mm2/s | 12 | |
| 94 |
| Thermal Shock Resistance, points | 15 | |
| 9.6 to 17 |
Alloy Composition
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| Arsenic (As), % | 0 | |
| 0 to 0.0050 |
| Calcium (Ca), % | 0 | |
| 0 to 0.0050 |
| Chromium (Cr), % | 0 | |
| 0.4 to 1.2 |
| Copper (Cu), % | 43.5 to 46.5 | |
| 97.2 to 99.6 |
| Iron (Fe), % | 0 | |
| 0 to 0.15 |
| Lead (Pb), % | 0.8 to 1.2 | |
| 0 |
| Lithium (Li), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Nickel (Ni), % | 9.0 to 11 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 38.3 to 45.2 | |
| 0 to 0.7 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |