C19800 Copper vs. C74400 Nickel Silver
Both C19800 copper and C74400 nickel silver are copper alloys. They have 65% of their average alloy composition in common.
For each property being compared, the top bar is C19800 copper and the bottom bar is C74400 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 9.0 to 12 | |
| 43 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 43 | |
| 39 |
| Shear Strength, MPa | 260 to 330 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 550 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 420 to 550 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 140 |
| Melting Completion (Liquidus), °C | 1070 | |
| 930 |
| Melting Onset (Solidus), °C | 1050 | |
| 910 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 260 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 61 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 62 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 25 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 43 | |
| 48 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 52 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 to 1320 | |
| 63 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 12 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 14 |
| Thermal Diffusivity, mm2/s | 75 | |
| 37 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 12 |
Alloy Composition
| Copper (Cu), % | 95.7 to 99.47 | |
| 62 to 66 |
| Iron (Fe), % | 0.020 to 0.5 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.1 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 2.0 to 4.0 |
| Phosphorus (P), % | 0.010 to 0.1 | |
| 0 |
| Tin (Sn), % | 0.1 to 1.0 | |
| 0 |
| Zinc (Zn), % | 0.3 to 1.5 | |
| 29.6 to 36 |
| Residuals, % | 0 | |
| 0 to 0.3 |