7020 Aluminum vs. EN-MC35110 Magnesium
7020 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 7020 aluminum and the bottom bar is EN-MC35110 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 45 to 100 | |
| 63 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 8.4 to 14 | |
| 3.1 |
| Fatigue Strength, MPa | 110 to 130 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 110 to 230 | |
| 130 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 390 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 120 to 310 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 140 |
| Melting Completion (Liquidus), °C | 650 | |
| 600 |
| Melting Onset (Solidus), °C | 610 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 970 |
| Thermal Conductivity, W/m-K | 150 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 18 |
| Density, g/cm3 | 2.9 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 170 |
| Embodied Water, L/kg | 1150 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 to 46 | |
| 6.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 690 | |
| 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 63 |
| Strength to Weight: Axial, points | 18 to 37 | |
| 34 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 44 |
| Thermal Diffusivity, mm2/s | 59 | |
| 61 |
| Thermal Shock Resistance, points | 8.3 to 17 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 91.2 to 94.8 | |
| 0 |
| Chromium (Cr), % | 0.1 to 0.35 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 1.0 to 1.4 | |
| 92 to 95.4 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 0.75 to 1.8 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 3.5 to 5.0 |
| Zirconium (Zr), % | 0.080 to 0.25 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |