C74400 Nickel Silver vs. C61900 Bronze
Both C74400 nickel silver and C61900 bronze are copper alloys. They have 65% of their average alloy composition in common.
For each property being compared, the top bar is C74400 nickel silver and the bottom bar is C61900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 43 | |
| 21 to 32 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 43 |
| Shear Strength, MPa | 240 | |
| 370 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 570 to 650 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 230 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 220 |
| Melting Completion (Liquidus), °C | 930 | |
| 1050 |
| Melting Onset (Solidus), °C | 910 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 440 |
| Thermal Conductivity, W/m-K | 120 | |
| 79 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 28 |
| Density, g/cm3 | 8.2 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.1 |
| Embodied Energy, MJ/kg | 48 | |
| 51 |
| Embodied Water, L/kg | 320 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 63 | |
| 230 to 430 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 12 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 14 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 37 | |
| 22 |
| Thermal Shock Resistance, points | 12 | |
| 20 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 8.5 to 10 |
| Copper (Cu), % | 62 to 66 | |
| 83.6 to 88.5 |
| Iron (Fe), % | 0 to 0.050 | |
| 3.0 to 4.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.020 |
| Nickel (Ni), % | 2.0 to 4.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.6 |
| Zinc (Zn), % | 29.6 to 36 | |
| 0 to 0.8 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |