ZK40A Magnesium vs. 7010 Aluminum
ZK40A magnesium belongs to the magnesium alloys classification, while 7010 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is ZK40A magnesium and the bottom bar is 7010 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 4.2 | |
| 3.9 to 6.8 |
| Fatigue Strength, MPa | 190 | |
| 160 to 190 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 160 | |
| 300 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 520 to 590 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 410 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 200 |
| Melting Completion (Liquidus), °C | 600 | |
| 630 |
| Melting Onset (Solidus), °C | 540 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 860 |
| Thermal Conductivity, W/m-K | 110 | |
| 150 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 10 |
| Density, g/cm3 | 1.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 950 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 22 to 33 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 740 | |
| 1230 to 2130 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 65 | |
| 45 |
| Strength to Weight: Axial, points | 43 | |
| 47 to 54 |
| Strength to Weight: Bending, points | 53 | |
| 47 to 52 |
| Thermal Diffusivity, mm2/s | 62 | |
| 58 |
| Thermal Shock Resistance, points | 17 | |
| 22 to 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 87.9 to 90.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.0 |
| Iron (Fe), % | 0 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 94.2 to 96.1 | |
| 2.1 to 2.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0 to 0.12 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 3.5 to 4.5 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0.45 to 1.0 | |
| 0.1 to 0.16 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |