C72800 Copper-nickel vs. 6105 Aluminum
C72800 copper-nickel belongs to the copper alloys classification, while 6105 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C72800 copper-nickel and the bottom bar is 6105 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 68 |
| Elongation at Break, % | 3.9 to 23 | |
| 9.0 to 16 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 26 |
| Shear Strength, MPa | 330 to 740 | |
| 120 to 170 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 1270 | |
| 190 to 280 |
| Tensile Strength: Yield (Proof), MPa | 250 to 1210 | |
| 120 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1080 | |
| 650 |
| Melting Onset (Solidus), °C | 920 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 900 |
| Thermal Conductivity, W/m-K | 55 | |
| 180 to 190 |
| Thermal Expansion, µm/m-K | 17 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 46 to 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 150 to 170 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 9.5 |
| Density, g/cm3 | 8.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 8.3 |
| Embodied Energy, MJ/kg | 68 | |
| 150 |
| Embodied Water, L/kg | 360 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 99 | |
| 25 to 27 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 5650 | |
| 100 to 550 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 51 |
| Strength to Weight: Axial, points | 17 to 40 | |
| 20 to 29 |
| Strength to Weight: Bending, points | 16 to 30 | |
| 28 to 35 |
| Thermal Diffusivity, mm2/s | 17 | |
| 72 to 79 |
| Thermal Shock Resistance, points | 19 to 45 | |
| 8.6 to 12 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 97.2 to 99 |
| Antimony (Sb), % | 0 to 0.020 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.0010 | |
| 0 |
| Boron (B), % | 0 to 0.0010 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 78.3 to 82.8 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.0050 | |
| 0 |
| Magnesium (Mg), % | 0.0050 to 0.15 | |
| 0.45 to 0.8 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 to 0.1 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.050 | |
| 0.6 to 1.0 |
| Sulfur (S), % | 0 to 0.0025 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |