C74000 Nickel Silver vs. C18700 Copper
Both C74000 nickel silver and C18700 copper are copper alloys. They have 72% of their average alloy composition in common. There are 22 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 C74000 nickel silver and the bottom bar is C18700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 590 | |
| 290 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 990 | |
| 1080 |
| Melting Onset (Solidus), °C | 950 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 98 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 42 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 30 |
| Density, g/cm3 | 8.5 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 54 | |
| 41 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.7 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 13 to 19 | |
| 9.0 to 10 |
| Strength to Weight: Bending, points | 14 to 18 | |
| 11 to 12 |
| Thermal Shock Resistance, points | 13 to 19 | |
| 10 to 12 |
Alloy Composition
| Copper (Cu), % | 69 to 73.5 | |
| 98 to 99.2 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 |
| Lead (Pb), % | 0 to 0.1 | |
| 0.8 to 1.5 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 9.0 to 11 | |
| 0 |
| Zinc (Zn), % | 14.2 to 22 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |