5056 Aluminum vs. 7020 Aluminum
Both 5056 aluminum and 7020 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 5056 aluminum and the bottom bar is 7020 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 70 |
| Elongation at Break, % | 4.9 to 31 | |
| 8.4 to 14 |
| Fatigue Strength, MPa | 140 to 200 | |
| 110 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 25 | |
| 26 |
| Shear Strength, MPa | 170 to 240 | |
| 110 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 460 | |
| 190 to 390 |
| Tensile Strength: Yield (Proof), MPa | 150 to 410 | |
| 120 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 210 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 570 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 910 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 140 | |
| 23 to 46 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 1220 | |
| 110 to 690 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 47 |
| Strength to Weight: Axial, points | 30 to 48 | |
| 18 to 37 |
| Strength to Weight: Bending, points | 36 to 50 | |
| 25 to 41 |
| Thermal Diffusivity, mm2/s | 53 | |
| 59 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 8.3 to 17 |
Alloy Composition
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| Aluminum (Al), % | 93 to 95.4 | |
| 91.2 to 94.8 |
| Chromium (Cr), % | 0.050 to 0.2 | |
| 0.1 to 0.35 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 4.5 to 5.6 | |
| 1.0 to 1.4 |
| Manganese (Mn), % | 0.050 to 0.2 | |
| 0.050 to 0.5 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.35 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.1 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |