7050 Aluminum vs. A242.0 Aluminum
Both 7050 aluminum and A242.0 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is 7050 aluminum and the bottom bar is A242.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 73 |
| Elongation at Break, % | 2.2 to 12 | |
| 1.6 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 210 |
| Melting Completion (Liquidus), °C | 630 | |
| 680 |
| Melting Onset (Solidus), °C | 490 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 870 |
| Thermal Conductivity, W/m-K | 140 | |
| 140 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 12 |
| Density, g/cm3 | 3.1 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1130 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 45 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 20 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 26 |
| Thermal Diffusivity, mm2/s | 54 | |
| 52 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 9.3 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 89.3 to 93.1 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0.15 to 0.25 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 3.7 to 4.5 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 1.2 to 1.7 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 1.8 to 2.3 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0.070 to 0.2 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0.080 to 0.15 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |