EN-MC32110 Magnesium vs. 7020 Aluminum
EN-MC32110 magnesium belongs to the magnesium alloys classification, while 7020 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 7020 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 60 | |
| 45 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 49 | |
| 70 |
| Elongation at Break, % | 2.2 | |
| 8.4 to 14 |
| Fatigue Strength, MPa | 80 | |
| 110 to 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 19 | |
| 26 |
| Shear Strength, MPa | 120 | |
| 110 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 190 to 390 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 120 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 99 | |
| 210 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 500 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 880 |
| Thermal Conductivity, W/m-K | 120 | |
| 150 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 32 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 9.5 |
| Density, g/cm3 | 2.1 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 920 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.3 | |
| 23 to 46 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 | |
| 110 to 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 58 | |
| 47 |
| Strength to Weight: Axial, points | 29 | |
| 18 to 37 |
| Strength to Weight: Bending, points | 38 | |
| 25 to 41 |
| Thermal Diffusivity, mm2/s | 58 | |
| 59 |
| Thermal Shock Resistance, points | 12 | |
| 8.3 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 91.2 to 94.8 |
| Chromium (Cr), % | 0 | |
| 0.1 to 0.35 |
| Copper (Cu), % | 2.4 to 3.0 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 89.3 to 91.9 | |
| 1.0 to 1.4 |
| Manganese (Mn), % | 0.25 to 0.75 | |
| 0.050 to 0.5 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.35 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 5.5 to 6.5 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.25 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |