C82700 Copper vs. C77300 Nickel Silver
Both C82700 copper and C77300 nickel silver are copper alloys. They have 50% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C82700 copper and the bottom bar is C77300 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.3 |
| Shear Modulus, GPa | 46 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 1200 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 300 | |
| 130 |
| Melting Completion (Liquidus), °C | 950 | |
| 940 |
| Melting Onset (Solidus), °C | 860 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 20 | |
| 5.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 21 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 12 | |
| 3.5 |
| Embodied Energy, MJ/kg | 180 | |
| 56 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 38 | |
| 19 |
| Strength to Weight: Bending, points | 29 | |
| 19 |
| Thermal Shock Resistance, points | 41 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.15 | |
| 0 to 0.010 |
| Beryllium (Be), % | 2.4 to 2.6 | |
| 0 |
| Chromium (Cr), % | 0 to 0.090 | |
| 0 |
| Copper (Cu), % | 94.6 to 96.7 | |
| 46 to 50 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.050 |
| Nickel (Ni), % | 1.0 to 1.5 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.15 | |
| 0.040 to 0.25 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 37.9 to 45 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |