242.0 Aluminum vs. EN-MC65120 Magnesium
242.0 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 242.0 aluminum and the bottom bar is EN-MC65120 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 70 to 110 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 45 |
| Elongation at Break, % | 0.5 to 1.5 | |
| 3.1 |
| Fatigue Strength, MPa | 55 to 110 | |
| 80 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 150 to 240 | |
| 92 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 290 | |
| 160 |
| Tensile Strength: Yield (Proof), MPa | 120 to 220 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 590 |
| Melting Onset (Solidus), °C | 530 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 970 |
| Thermal Conductivity, W/m-K | 130 to 170 | |
| 100 |
| Thermal Expansion, µm/m-K | 22 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 44 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 96 to 130 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 25 |
| Density, g/cm3 | 3.1 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 25 |
| Embodied Energy, MJ/kg | 150 | |
| 190 |
| Embodied Water, L/kg | 1130 | |
| 930 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.3 to 3.4 | |
| 4.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 340 | |
| 140 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 62 |
| Strength to Weight: Axial, points | 16 to 26 | |
| 23 |
| Strength to Weight: Bending, points | 23 to 32 | |
| 34 |
| Thermal Diffusivity, mm2/s | 50 to 62 | |
| 56 |
| Thermal Shock Resistance, points | 8.0 to 13 | |
| 9.8 |
Alloy Composition
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| Aluminum (Al), % | 88.4 to 93.6 | |
| 0 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 1.2 to 1.8 | |
| 91.8 to 95.1 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.15 |
| Nickel (Ni), % | 1.7 to 2.3 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.5 to 4.0 |
| Zinc (Zn), % | 0 to 0.35 | |
| 2.0 to 3.0 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |