5182 Aluminum vs. ZK61A Magnesium
5182 aluminum belongs to the aluminum alloys classification, while ZK61A 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 5182 aluminum and the bottom bar is ZK61A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 46 |
| Elongation at Break, % | 1.1 to 12 | |
| 5.8 to 7.1 |
| Fatigue Strength, MPa | 100 to 130 | |
| 120 to 140 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 25 | |
| 18 |
| Shear Strength, MPa | 170 to 240 | |
| 170 to 180 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 420 | |
| 290 to 310 |
| Tensile Strength: Yield (Proof), MPa | 130 to 360 | |
| 180 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 120 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 590 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 960 |
| Thermal Conductivity, W/m-K | 130 | |
| 120 |
| Thermal Expansion, µm/m-K | 24 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 94 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 13 |
| Density, g/cm3 | 2.7 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.9 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1180 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.6 to 49 | |
| 15 to 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 950 | |
| 370 to 420 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 62 |
| Strength to Weight: Axial, points | 29 to 44 | |
| 42 to 45 |
| Strength to Weight: Bending, points | 36 to 47 | |
| 50 to 53 |
| Thermal Diffusivity, mm2/s | 53 | |
| 65 |
| Thermal Shock Resistance, points | 12 to 19 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 93.2 to 95.8 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 |
| Magnesium (Mg), % | 4.0 to 5.0 | |
| 92.1 to 93.9 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 5.5 to 6.5 |
| Zirconium (Zr), % | 0 | |
| 0.6 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |