8011A Aluminum vs. AZ91A Magnesium
8011A aluminum belongs to the aluminum alloys classification, while AZ91A magnesium belongs to the magnesium alloys. There are 30 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 8011A aluminum and the bottom bar is AZ91A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 25 to 50 | |
| 63 |
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 46 |
| Elongation at Break, % | 1.7 to 28 | |
| 5.0 |
| Fatigue Strength, MPa | 33 to 76 | |
| 99 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 100 to 180 | |
| 240 |
| Tensile Strength: Yield (Proof), MPa | 34 to 170 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 360 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 130 |
| Melting Completion (Liquidus), °C | 650 | |
| 600 |
| Melting Onset (Solidus), °C | 630 | |
| 470 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 990 |
| Thermal Conductivity, W/m-K | 210 | |
| 73 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 56 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 180 | |
| 52 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 22 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1180 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.0 to 22 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 8.2 to 200 | |
| 280 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 69 |
| Strength to Weight: Axial, points | 11 to 18 | |
| 38 |
| Strength to Weight: Bending, points | 18 to 26 | |
| 49 |
| Thermal Diffusivity, mm2/s | 86 | |
| 42 |
| Thermal Shock Resistance, points | 4.6 to 8.1 | |
| 14 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 97.5 to 99.1 | |
| 8.3 to 9.7 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.1 |
| Iron (Fe), % | 0.5 to 1.0 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 88.2 to 91.2 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.13 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.4 to 0.8 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0.35 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 |