6018 Aluminum vs. C17200 Copper
6018 aluminum belongs to the aluminum alloys classification, while C17200 copper belongs to the copper 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 6018 aluminum and the bottom bar is C17200 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 120 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 1.1 to 37 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 45 |
| Shear Strength, MPa | 170 to 180 | |
| 330 to 780 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 300 | |
| 480 to 1380 |
| Tensile Strength: Yield (Proof), MPa | 220 to 230 | |
| 160 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 280 |
| Melting Completion (Liquidus), °C | 640 | |
| 980 |
| Melting Onset (Solidus), °C | 570 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 390 |
| Thermal Conductivity, W/m-K | 170 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 23 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 9.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 25 | |
| 4.2 to 500 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 110 to 5720 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 48 | |
| 19 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 15 to 44 |
| Strength to Weight: Bending, points | 34 to 35 | |
| 16 to 31 |
| Thermal Diffusivity, mm2/s | 65 | |
| 31 |
| Thermal Shock Resistance, points | 13 | |
| 16 to 46 |
Alloy Composition
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| Aluminum (Al), % | 93.1 to 97.8 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 1.8 to 2.0 |
| Bismuth (Bi), % | 0.4 to 0.7 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 96.1 to 98 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.4 |
| Lead (Pb), % | 0.4 to 1.2 | |
| 0 |
| Magnesium (Mg), % | 0.6 to 1.2 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.2 to 0.6 |
| Silicon (Si), % | 0.5 to 1.2 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |