WE54A Magnesium vs. 8079 Aluminum
WE54A magnesium belongs to the magnesium alloys classification, while 8079 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is WE54A magnesium and the bottom bar is 8079 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 69 |
| Elongation at Break, % | 4.3 to 5.6 | |
| 2.2 |
| Fatigue Strength, MPa | 98 to 130 | |
| 56 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 300 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 180 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 570 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 900 |
| Thermal Conductivity, W/m-K | 52 | |
| 230 |
| Thermal Expansion, µm/m-K | 25 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 58 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 47 | |
| 190 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 9.0 |
| Density, g/cm3 | 1.9 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 29 | |
| 8.2 |
| Embodied Energy, MJ/kg | 260 | |
| 150 |
| Embodied Water, L/kg | 900 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 14 | |
| 3.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 62 | |
| 50 |
| Strength to Weight: Axial, points | 39 to 43 | |
| 15 |
| Strength to Weight: Bending, points | 49 to 51 | |
| 22 |
| Thermal Diffusivity, mm2/s | 28 | |
| 92 |
| Thermal Shock Resistance, points | 18 to 19 | |
| 6.4 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 98.1 to 99.3 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.010 | |
| 0.7 to 1.3 |
| Lithium (Li), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 88.7 to 93.4 | |
| 0 |
| Manganese (Mn), % | 0 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.010 | |
| 0.050 to 0.3 |
| Unspecified Rare Earths, % | 1.5 to 4.0 | |
| 0 |
| Yttrium (Y), % | 4.8 to 5.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |