5021 Aluminum vs. 5070 Aluminum
Both 5021 aluminum and 5070 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is 5021 aluminum and the bottom bar is 5070 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 68 |
| Elongation at Break, % | 1.1 to 3.4 | |
| 20 |
| Fatigue Strength, MPa | 85 to 110 | |
| 150 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 170 | |
| 190 |
| Tensile Strength: Ultimate (UTS), MPa | 300 to 310 | |
| 300 |
| Tensile Strength: Yield (Proof), MPa | 240 to 270 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 590 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.6 | |
| 8.8 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.1 to 10 | |
| 51 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 550 | |
| 150 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 30 to 32 | |
| 31 |
| Strength to Weight: Bending, points | 37 | |
| 37 |
| Thermal Diffusivity, mm2/s | 57 | |
| 53 |
| Thermal Shock Resistance, points | 13 to 14 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 95.2 to 97.7 | |
| 92.4 to 95.7 |
| Chromium (Cr), % | 0 to 0.15 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 2.2 to 2.8 | |
| 3.5 to 4.5 |
| Manganese (Mn), % | 0.1 to 0.5 | |
| 0.4 to 0.8 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0.4 to 0.8 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |