EN-MC21320 Magnesium vs. 5252 Aluminum
EN-MC21320 magnesium belongs to the magnesium alloys classification, while 5252 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC21320 magnesium and the bottom bar is 5252 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 68 | |
| 68 to 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 68 |
| Elongation at Break, % | 7.5 | |
| 4.5 to 11 |
| Fatigue Strength, MPa | 95 | |
| 100 to 110 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 25 |
| Shear Strength, MPa | 130 | |
| 140 to 160 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 230 to 290 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 170 to 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 180 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 530 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 910 |
| Thermal Conductivity, W/m-K | 66 | |
| 140 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 91 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.6 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.7 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 980 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 210 to 430 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 72 | |
| 51 |
| Strength to Weight: Axial, points | 38 | |
| 23 to 30 |
| Strength to Weight: Bending, points | 50 | |
| 31 to 36 |
| Thermal Diffusivity, mm2/s | 40 | |
| 57 |
| Thermal Shock Resistance, points | 13 | |
| 10 to 13 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 5.0 | |
| 96.6 to 97.8 |
| Copper (Cu), % | 0 to 0.010 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 92.5 to 95.9 | |
| 2.2 to 2.8 |
| Manganese (Mn), % | 0.1 to 0.7 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 to 0.080 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.1 |