C75700 Nickel Silver vs. C70260 Copper
Both C75700 nickel silver and C70260 copper are copper alloys. They have 67% of their average alloy composition in common.
For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C70260 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 3.2 to 22 | |
| 9.5 to 19 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 45 | |
| 44 |
| Shear Strength, MPa | 350 to 370 | |
| 320 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 610 | |
| 520 to 760 |
| Tensile Strength: Yield (Proof), MPa | 470 to 580 | |
| 410 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1060 |
| Melting Onset (Solidus), °C | 990 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 40 | |
| 160 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 40 to 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 40 to 51 |
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 | |
| 43 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 120 | |
| 46 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 930 to 1410 | |
| 710 to 1810 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 19 to 20 | |
| 16 to 24 |
| Strength to Weight: Bending, points | 19 | |
| 16 to 21 |
| Thermal Diffusivity, mm2/s | 12 | |
| 45 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 18 to 27 |
Alloy Composition
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| Copper (Cu), % | 63.5 to 66.5 | |
| 95.8 to 98.8 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 11 to 13 | |
| 1.0 to 3.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.7 |
| Zinc (Zn), % | 19.2 to 25.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |