2219 Aluminum vs. WE43B Magnesium
2219 aluminum belongs to the aluminum alloys classification, while WE43B 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 2219 aluminum and the bottom bar is WE43B magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 44 |
| Elongation at Break, % | 2.2 to 20 | |
| 2.2 |
| Fatigue Strength, MPa | 90 to 130 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 110 to 280 | |
| 140 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 480 | |
| 250 |
| Tensile Strength: Yield (Proof), MPa | 88 to 390 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 230 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 540 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 960 |
| Thermal Conductivity, W/m-K | 110 to 170 | |
| 51 |
| Thermal Expansion, µm/m-K | 22 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 to 44 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 to 130 | |
| 53 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 34 |
| Density, g/cm3 | 3.1 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 28 |
| Embodied Energy, MJ/kg | 150 | |
| 250 |
| Embodied Water, L/kg | 1130 | |
| 910 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 9.6 to 60 | |
| 5.2 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 1060 | |
| 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 61 |
| Strength to Weight: Axial, points | 16 to 43 | |
| 36 |
| Strength to Weight: Bending, points | 23 to 44 | |
| 46 |
| Thermal Diffusivity, mm2/s | 42 to 63 | |
| 28 |
| Thermal Shock Resistance, points | 8.2 to 22 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 91.5 to 93.8 | |
| 0 |
| Copper (Cu), % | 5.8 to 6.8 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.010 |
| Lithium (Li), % | 0 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0 to 0.020 | |
| 89.8 to 93.5 |
| Manganese (Mn), % | 0.2 to 0.4 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0.020 to 0.1 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.4 to 4.4 |
| Vanadium (V), % | 0.050 to 0.15 | |
| 0 |
| Yttrium (Y), % | 0 | |
| 3.7 to 4.3 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0.1 to 0.25 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 |