EN-MC21110 Magnesium vs. 5082 Aluminum
EN-MC21110 magnesium belongs to the magnesium alloys classification, while 5082 aluminum belongs to the aluminum alloys. 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 EN-MC21110 magnesium and the bottom bar is 5082 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 67 |
| Elongation at Break, % | 2.8 to 6.7 | |
| 1.1 |
| Fatigue Strength, MPa | 75 to 78 | |
| 110 to 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 25 |
| Shear Strength, MPa | 120 to 160 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
| 380 to 400 |
| Tensile Strength: Yield (Proof), MPa | 100 to 120 | |
| 300 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 180 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 500 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 910 |
| Thermal Conductivity, W/m-K | 80 | |
| 130 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.9 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.9 to 14 | |
| 4.0 to 4.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 150 | |
| 670 to 870 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 69 | |
| 51 |
| Strength to Weight: Axial, points | 33 to 44 | |
| 39 to 41 |
| Strength to Weight: Bending, points | 45 to 54 | |
| 43 to 45 |
| Thermal Diffusivity, mm2/s | 47 | |
| 54 |
| Thermal Shock Resistance, points | 12 to 16 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 7.0 to 8.7 | |
| 93.5 to 96 |
| Chromium (Cr), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 89.6 to 92.6 | |
| 4.0 to 5.0 |
| Manganese (Mn), % | 0.1 to 0.35 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |