A242.0 Aluminum vs. AZ92A Magnesium
A242.0 aluminum belongs to the aluminum alloys classification, while AZ92A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is A242.0 aluminum and the bottom bar is AZ92A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 47 |
| Elongation at Break, % | 1.6 | |
| 2.1 to 6.8 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 170 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 130 |
| Melting Completion (Liquidus), °C | 680 | |
| 590 |
| Melting Onset (Solidus), °C | 550 | |
| 440 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 980 |
| Thermal Conductivity, W/m-K | 140 | |
| 44 to 58 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 11 to 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 53 to 62 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 12 |
| Density, g/cm3 | 3.1 | |
| 1.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 22 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1130 | |
| 980 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 67 |
| Strength to Weight: Axial, points | 20 | |
| 26 to 41 |
| Strength to Weight: Bending, points | 26 | |
| 38 to 51 |
| Thermal Diffusivity, mm2/s | 52 | |
| 25 to 33 |
| Thermal Shock Resistance, points | 9.3 | |
| 10 to 16 |
Alloy Composition
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| Aluminum (Al), % | 89.3 to 93.1 | |
| 8.3 to 9.7 |
| Chromium (Cr), % | 0.15 to 0.25 | |
| 0 |
| Copper (Cu), % | 3.7 to 4.5 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.8 | |
| 0 |
| Magnesium (Mg), % | 1.2 to 1.7 | |
| 86.7 to 90 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.1 to 0.35 |
| Nickel (Ni), % | 1.8 to 2.3 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0.070 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 1.6 to 2.4 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |