EN AC-48100 Aluminum vs. EN-MC21320 Magnesium
EN AC-48100 aluminum belongs to the aluminum alloys classification, while EN-MC21320 magnesium belongs to the magnesium 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 AC-48100 aluminum and the bottom bar is EN-MC21320 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 140 | |
| 68 |
| Elastic (Young's, Tensile) Modulus, GPa | 76 | |
| 45 |
| Elongation at Break, % | 1.1 | |
| 7.5 |
| Fatigue Strength, MPa | 120 to 130 | |
| 95 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 29 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 330 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 190 to 300 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 640 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 110 |
| Melting Completion (Liquidus), °C | 580 | |
| 600 |
| Melting Onset (Solidus), °C | 470 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 1000 |
| Thermal Conductivity, W/m-K | 130 | |
| 66 |
| Thermal Expansion, µm/m-K | 20 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 | |
| 91 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 2.8 | |
| 1.6 |
| Embodied Carbon, kg CO2/kg material | 7.3 | |
| 23 |
| Embodied Energy, MJ/kg | 130 | |
| 160 |
| Embodied Water, L/kg | 940 | |
| 980 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.3 to 3.6 | |
| 15 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 580 | |
| 200 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 51 | |
| 72 |
| Strength to Weight: Axial, points | 24 to 33 | |
| 38 |
| Strength to Weight: Bending, points | 31 to 38 | |
| 50 |
| Thermal Diffusivity, mm2/s | 55 | |
| 40 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 72.1 to 79.8 | |
| 3.5 to 5.0 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.010 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0.25 to 0.65 | |
| 92.5 to 95.9 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.1 to 0.7 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.0020 |
| Silicon (Si), % | 16 to 18 | |
| 0.5 to 1.5 |
| Tin (Sn), % | 0 to 0.15 | |
| 0 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.25 | |
| 0 to 0.010 |