7050 Aluminum vs. 5056 Aluminum
Both 7050 aluminum and 5056 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 7050 aluminum and the bottom bar is 5056 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 67 |
| Elongation at Break, % | 2.2 to 12 | |
| 4.9 to 31 |
| Fatigue Strength, MPa | 130 to 210 | |
| 140 to 200 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 25 |
| Shear Strength, MPa | 280 to 330 | |
| 170 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 290 to 460 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 150 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 490 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 910 |
| Thermal Conductivity, W/m-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 9.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 12 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 170 to 1220 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 51 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 30 to 48 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 36 to 50 |
| Thermal Diffusivity, mm2/s | 54 | |
| 53 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 13 to 20 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 93 to 95.4 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0.050 to 0.2 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 4.5 to 5.6 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.050 to 0.2 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 |
| 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 |