EN-MC21210 Magnesium vs. 5457 Aluminum
EN-MC21210 magnesium belongs to the magnesium alloys classification, while 5457 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC21210 magnesium and the bottom bar is 5457 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 48 | |
| 32 to 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 68 |
| Elongation at Break, % | 14 | |
| 6.0 to 22 |
| Fatigue Strength, MPa | 70 | |
| 55 to 98 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 110 | |
| 85 to 130 |
| Tensile Strength: Ultimate (UTS), MPa | 190 | |
| 130 to 210 |
| Tensile Strength: Yield (Proof), MPa | 90 | |
| 50 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 180 |
| Melting Completion (Liquidus), °C | 600 | |
| 660 |
| Melting Onset (Solidus), °C | 570 | |
| 630 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 900 |
| Thermal Conductivity, W/m-K | 120 | |
| 180 |
| Thermal Expansion, µm/m-K | 27 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 24 | |
| 46 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 150 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.6 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.4 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 980 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 92 | |
| 18 to 250 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 72 | |
| 50 |
| Strength to Weight: Axial, points | 32 | |
| 13 to 21 |
| Strength to Weight: Bending, points | 44 | |
| 21 to 28 |
| Thermal Diffusivity, mm2/s | 76 | |
| 72 |
| Thermal Shock Resistance, points | 11 | |
| 5.7 to 9.0 |
Alloy Composition
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| Aluminum (Al), % | 1.6 to 2.6 | |
| 97.8 to 99.05 |
| Copper (Cu), % | 0 to 0.010 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 96.3 to 98.3 | |
| 0.8 to 1.2 |
| Manganese (Mn), % | 0.1 to 0.7 | |
| 0.15 to 0.45 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 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 |