ZK40A Magnesium vs. 6463 Aluminum
ZK40A magnesium belongs to the magnesium alloys classification, while 6463 aluminum belongs to the aluminum 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 ZK40A magnesium and the bottom bar is 6463 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 68 |
| Elongation at Break, % | 4.2 | |
| 9.0 to 17 |
| Fatigue Strength, MPa | 190 | |
| 45 to 76 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 160 | |
| 86 to 150 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 140 to 230 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 82 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 160 |
| Melting Completion (Liquidus), °C | 600 | |
| 660 |
| Melting Onset (Solidus), °C | 540 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 900 |
| Thermal Conductivity, W/m-K | 110 | |
| 190 to 210 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 50 to 55 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 170 to 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 9.5 |
| Density, g/cm3 | 1.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 950 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 17 to 25 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 740 | |
| 50 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 65 | |
| 50 |
| Strength to Weight: Axial, points | 43 | |
| 14 to 24 |
| Strength to Weight: Bending, points | 53 | |
| 22 to 31 |
| Thermal Diffusivity, mm2/s | 62 | |
| 79 to 86 |
| Thermal Shock Resistance, points | 17 | |
| 6.3 to 10 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 97.9 to 99.4 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 94.2 to 96.1 | |
| 0.45 to 0.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.6 |
| Zinc (Zn), % | 3.5 to 4.5 | |
| 0 to 0.050 |
| Zirconium (Zr), % | 0.45 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |