6162 Aluminum vs. AZ81A Magnesium
6162 aluminum belongs to the aluminum alloys classification, while AZ81A 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 6162 aluminum and the bottom bar is AZ81A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 46 |
| Elongation at Break, % | 6.7 to 9.1 | |
| 3.0 to 8.8 |
| Fatigue Strength, MPa | 100 to 130 | |
| 78 to 80 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 170 to 180 | |
| 91 to 130 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 300 | |
| 160 to 240 |
| Tensile Strength: Yield (Proof), MPa | 260 to 270 | |
| 84 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 130 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 620 | |
| 500 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 990 |
| Thermal Conductivity, W/m-K | 190 | |
| 84 |
| Thermal Expansion, µm/m-K | 23 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 50 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 170 | |
| 65 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1180 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 26 | |
| 4.0 to 17 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 550 | |
| 77 to 78 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 70 |
| Strength to Weight: Axial, points | 29 to 30 | |
| 26 to 39 |
| Strength to Weight: Bending, points | 36 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 79 | |
| 50 |
| Thermal Shock Resistance, points | 13 | |
| 9.1 to 14 |
Alloy Composition
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| Aluminum (Al), % | 96.7 to 98.9 | |
| 7.0 to 8.1 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Magnesium (Mg), % | 0.7 to 1.1 | |
| 89.8 to 92.5 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.13 to 0.35 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0.4 to 0.8 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |