C75700 Nickel Silver vs. C18900 Copper
Both C75700 nickel silver and C18900 copper are copper alloys. They have 66% of their average alloy composition in common.
For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C18900 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 3.2 to 22 | |
| 14 to 48 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 45 | |
| 43 |
| Shear Strength, MPa | 350 to 370 | |
| 190 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 610 | |
| 260 to 500 |
| Tensile Strength: Yield (Proof), MPa | 470 to 580 | |
| 67 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1080 |
| Melting Onset (Solidus), °C | 990 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 40 | |
| 130 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 31 |
| Density, g/cm3 | 8.4 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 56 | |
| 42 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 120 | |
| 65 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 930 to 1410 | |
| 20 to 660 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 19 to 20 | |
| 8.2 to 16 |
| Strength to Weight: Bending, points | 19 | |
| 10 to 16 |
| Thermal Diffusivity, mm2/s | 12 | |
| 38 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 9.3 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 63.5 to 66.5 | |
| 97.7 to 99.15 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.1 to 0.3 |
| Nickel (Ni), % | 11 to 13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.4 |
| Tin (Sn), % | 0 | |
| 0.6 to 0.9 |
| Zinc (Zn), % | 19.2 to 25.5 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |