C19800 Copper vs. C72700 Copper-nickel
Both C19800 copper and C72700 copper-nickel are copper alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is C19800 copper and the bottom bar is C72700 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 9.0 to 12 | |
| 4.0 to 36 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 44 |
| Shear Strength, MPa | 260 to 330 | |
| 310 to 620 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 550 | |
| 460 to 1070 |
| Tensile Strength: Yield (Proof), MPa | 420 to 550 | |
| 580 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1100 |
| Melting Onset (Solidus), °C | 1050 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 260 | |
| 54 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 61 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 62 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 36 |
| Density, g/cm3 | 8.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 4.0 |
| Embodied Energy, MJ/kg | 43 | |
| 62 |
| Embodied Water, L/kg | 320 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 52 | |
| 20 to 380 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 to 1320 | |
| 1420 to 4770 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 14 to 34 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 15 to 26 |
| Thermal Diffusivity, mm2/s | 75 | |
| 16 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 16 to 38 |
Alloy Composition
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| Copper (Cu), % | 95.7 to 99.47 | |
| 82.1 to 86 |
| Iron (Fe), % | 0.020 to 0.5 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0.1 to 1.0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Nickel (Ni), % | 0 | |
| 8.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0.010 to 0.1 | |
| 0 |
| Tin (Sn), % | 0.1 to 1.0 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 0.3 to 1.5 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.3 |