ISO-WD32250 Magnesium vs. 2011 Aluminum
ISO-WD32250 magnesium belongs to the magnesium alloys classification, while 2011 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is ISO-WD32250 magnesium and the bottom bar is 2011 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 71 |
| Elongation at Break, % | 4.5 to 8.6 | |
| 8.5 to 18 |
| Fatigue Strength, MPa | 170 to 210 | |
| 74 to 120 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 27 |
| Shear Strength, MPa | 180 to 190 | |
| 190 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 330 | |
| 310 to 420 |
| Tensile Strength: Yield (Proof), MPa | 240 to 290 | |
| 140 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 190 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 550 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 980 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 to 170 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 35 to 45 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 100 to 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 11 |
| Density, g/cm3 | 1.8 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 7.9 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 950 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 26 | |
| 29 to 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 630 to 930 | |
| 140 to 680 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 67 | |
| 44 |
| Strength to Weight: Axial, points | 49 to 51 | |
| 27 to 37 |
| Strength to Weight: Bending, points | 58 to 60 | |
| 32 to 40 |
| Thermal Diffusivity, mm2/s | 72 | |
| 51 to 64 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 14 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91.3 to 94.6 |
| Bismuth (Bi), % | 0 | |
| 0.2 to 0.6 |
| Copper (Cu), % | 0 | |
| 5.0 to 6.0 |
| Iron (Fe), % | 0 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 | |
| 0.2 to 0.6 |
| Magnesium (Mg), % | 94.9 to 97.1 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.4 |
| Zinc (Zn), % | 2.5 to 4.0 | |
| 0 to 0.3 |
| Zirconium (Zr), % | 0.45 to 0.8 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |