AZ80A Magnesium vs. 1080 Aluminum
AZ80A magnesium belongs to the magnesium alloys classification, while 1080 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AZ80A magnesium and the bottom bar is 1080 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 68 |
| Elongation at Break, % | 3.9 to 8.5 | |
| 4.6 to 40 |
| Fatigue Strength, MPa | 140 to 170 | |
| 21 to 48 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 160 to 190 | |
| 49 to 78 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 340 | |
| 72 to 130 |
| Tensile Strength: Yield (Proof), MPa | 210 to 230 | |
| 17 to 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 490 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 900 |
| Thermal Conductivity, W/m-K | 77 | |
| 230 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 61 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 59 | |
| 200 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 990 | |
| 1200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 24 | |
| 4.7 to 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 600 | |
| 2.1 to 100 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 69 | |
| 50 |
| Strength to Weight: Axial, points | 51 to 55 | |
| 7.4 to 14 |
| Strength to Weight: Bending, points | 60 to 63 | |
| 14 to 22 |
| Thermal Diffusivity, mm2/s | 45 | |
| 94 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 3.2 to 6.0 |
Alloy Composition
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| Aluminum (Al), % | 7.8 to 9.2 | |
| 99.8 to 100 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 to 0.030 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 89 to 91.9 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0.12 to 0.5 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0.2 to 0.8 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.020 |