C77100 Nickel Silver vs. C70400 Copper-nickel
Both C77100 nickel silver and C70400 copper-nickel are copper alloys. They have 61% of their average alloy composition in common.
For each property being compared, the top bar is C77100 nickel silver and the bottom bar is C70400 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 | 
| Poisson's Ratio | 0.31 | |
| 0.34 | 
| Shear Modulus, GPa | 45 | |
| 45 | 
| Tensile Strength: Ultimate (UTS), MPa | 600 | |
| 300 to 310 | 
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 95 to 230 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 210 | 
| Maximum Temperature: Mechanical, °C | 150 | |
| 210 | 
| Melting Completion (Liquidus), °C | 990 | |
| 1120 | 
| Melting Onset (Solidus), °C | 950 | |
| 1060 | 
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 | 
| Thermal Conductivity, W/m-K | 40 | |
| 64 | 
| Thermal Expansion, µm/m-K | 20 | |
| 17 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 14 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 14 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 32 | 
| Density, g/cm3 | 8.1 | |
| 8.9 | 
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 3.0 | 
| Embodied Energy, MJ/kg | 56 | |
| 47 | 
| Embodied Water, L/kg | 310 | |
| 300 | 
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1280 | |
| 38 to 220 | 
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.5 | 
| Stiffness to Weight: Bending, points | 20 | |
| 19 | 
| Strength to Weight: Axial, points | 21 | |
| 9.3 to 9.8 | 
| Strength to Weight: Bending, points | 20 | |
| 11 to 12 | 
| Thermal Diffusivity, mm2/s | 13 | |
| 18 | 
| Thermal Shock Resistance, points | 19 | |
| 10 to 11 | 
Alloy Composition
| Copper (Cu), % | 52 to 56 | |
| 89.8 to 93.6 | 
| Iron (Fe), % | 0 | |
| 1.3 to 1.7 | 
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.050 | 
| Manganese (Mn), % | 0 to 0.9 | |
| 0.3 to 0.8 | 
| Nickel (Ni), % | 9.0 to 12 | |
| 4.8 to 6.2 | 
| Zinc (Zn), % | 30.6 to 39 | |
| 0 to 1.0 | 
| Residuals, % | 0 | |
| 0 to 0.5 |