ZK40A Magnesium vs. EN AC-48100 Aluminum
ZK40A magnesium belongs to the magnesium alloys classification, while EN AC-48100 aluminum belongs to the aluminum 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 ZK40A magnesium and the bottom bar is EN AC-48100 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 76 |
| Elongation at Break, % | 4.2 | |
| 1.1 |
| Fatigue Strength, MPa | 190 | |
| 120 to 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 29 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 240 to 330 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 190 to 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 640 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 580 |
| Melting Onset (Solidus), °C | 540 | |
| 470 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 880 |
| Thermal Conductivity, W/m-K | 110 | |
| 130 |
| Thermal Expansion, µm/m-K | 26 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 87 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 11 |
| Density, g/cm3 | 1.8 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 7.3 |
| Embodied Energy, MJ/kg | 160 | |
| 130 |
| Embodied Water, L/kg | 950 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 2.3 to 3.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 740 | |
| 250 to 580 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 65 | |
| 51 |
| Strength to Weight: Axial, points | 43 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 53 | |
| 31 to 38 |
| Thermal Diffusivity, mm2/s | 62 | |
| 55 |
| Thermal Shock Resistance, points | 17 | |
| 11 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 72.1 to 79.8 |
| Copper (Cu), % | 0 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 94.2 to 96.1 | |
| 0.25 to 0.65 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 | |
| 16 to 18 |
| Tin (Sn), % | 0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 3.5 to 4.5 | |
| 0 to 1.5 |
| Zirconium (Zr), % | 0.45 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.25 |