EN-MC95320 Magnesium vs. 2218 Aluminum
EN-MC95320 magnesium belongs to the magnesium alloys classification, while 2218 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC95320 magnesium and the bottom bar is 2218 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 83 | |
| 95 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 73 |
| Elongation at Break, % | 2.2 | |
| 6.8 to 10 |
| Fatigue Strength, MPa | 110 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 27 |
| Shear Strength, MPa | 140 | |
| 210 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 330 to 430 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 260 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 220 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 530 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 870 |
| Thermal Conductivity, W/m-K | 52 | |
| 140 |
| Thermal Expansion, µm/m-K | 25 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 53 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 11 |
| Density, g/cm3 | 1.9 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 28 | |
| 8.2 |
| Embodied Energy, MJ/kg | 250 | |
| 150 |
| Embodied Water, L/kg | 910 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.1 | |
| 27 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 | |
| 450 to 650 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 61 | |
| 45 |
| Strength to Weight: Axial, points | 36 | |
| 30 to 39 |
| Strength to Weight: Bending, points | 45 | |
| 34 to 41 |
| Thermal Diffusivity, mm2/s | 28 | |
| 52 |
| Thermal Shock Resistance, points | 16 | |
| 15 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88.8 to 93.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.030 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 1.0 |
| Lithium (Li), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 89.7 to 93.5 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 1.7 to 2.3 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 0.9 |
| Unspecified Rare Earths, % | 2.4 to 4.4 | |
| 0 |
| Yttrium (Y), % | 3.7 to 4.3 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |