324.0 Aluminum vs. ZK51A Magnesium
324.0 aluminum belongs to the aluminum alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 324.0 aluminum and the bottom bar is ZK51A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 45 |
| Elongation at Break, % | 3.0 to 4.0 | |
| 4.7 |
| Fatigue Strength, MPa | 77 to 89 | |
| 62 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 310 | |
| 240 |
| Tensile Strength: Yield (Proof), MPa | 110 to 270 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 120 |
| Melting Completion (Liquidus), °C | 610 | |
| 640 |
| Melting Onset (Solidus), °C | 550 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 970 |
| Thermal Conductivity, W/m-K | 150 | |
| 110 |
| Thermal Expansion, µm/m-K | 21 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 13 |
| Density, g/cm3 | 2.7 | |
| 1.8 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1090 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 8.9 | |
| 10 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 85 to 510 | |
| 260 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 52 | |
| 64 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 36 |
| Strength to Weight: Bending, points | 29 to 38 | |
| 47 |
| Thermal Diffusivity, mm2/s | 62 | |
| 61 |
| Thermal Shock Resistance, points | 9.7 to 14 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.2 | |
| 0 |
| Copper (Cu), % | 0.4 to 0.6 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.2 | |
| 0 |
| Magnesium (Mg), % | 0.4 to 0.7 | |
| 93.1 to 95.9 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.010 |
| Silicon (Si), % | 7.0 to 8.0 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 3.6 to 5.5 |
| Zirconium (Zr), % | 0 | |
| 0.5 to 1.0 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.3 |