C72700 Copper-nickel vs. EN AC-43500 Aluminum
C72700 copper-nickel belongs to the copper alloys classification, while EN AC-43500 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is EN AC-43500 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 72 |
| Elongation at Break, % | 4.0 to 36 | |
| 4.5 to 13 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 220 to 300 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 140 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 550 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 170 |
| Melting Completion (Liquidus), °C | 1100 | |
| 600 |
| Melting Onset (Solidus), °C | 930 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 900 |
| Thermal Conductivity, W/m-K | 54 | |
| 140 |
| Thermal Expansion, µm/m-K | 17 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 9.5 |
| Density, g/cm3 | 8.8 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 7.8 |
| Embodied Energy, MJ/kg | 62 | |
| 150 |
| Embodied Water, L/kg | 350 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 12 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 130 to 200 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 16 |
| Stiffness to Weight: Bending, points | 19 | |
| 54 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 32 to 39 |
| Thermal Diffusivity, mm2/s | 16 | |
| 60 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 10 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 86.4 to 90.5 |
| Copper (Cu), % | 82.1 to 86 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0.1 to 0.6 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0.4 to 0.8 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Silicon (Si), % | 0 | |
| 9.0 to 11.5 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.070 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |