7475-T6 Aluminum vs. ZK60A-T6 Magnesium
7475-T6 aluminum belongs to the aluminum alloys classification, while ZK60A-T6 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 7475-T6 aluminum and the bottom bar is ZK60A-T6 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 46 |
| Elongation at Break, % | 10 | |
| 4.5 |
| Fatigue Strength, MPa | 200 | |
| 150 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 350 | |
| 190 |
| Tensile Strength: Ultimate (UTS), MPa | 590 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 490 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 120 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 480 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 960 |
| Thermal Conductivity, W/m-K | 140 | |
| 120 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 13 |
| Density, g/cm3 | 3.0 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1130 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 57 | |
| 14 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1740 | |
| 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 63 |
| Strength to Weight: Axial, points | 54 | |
| 49 |
| Strength to Weight: Bending, points | 52 | |
| 56 |
| Thermal Diffusivity, mm2/s | 54 | |
| 66 |
| Thermal Shock Resistance, points | 26 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 88.6 to 91.6 | |
| 0 |
| Chromium (Cr), % | 0.18 to 0.25 | |
| 0 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 |
| Iron (Fe), % | 0 to 0.12 | |
| 0 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 92.5 to 94.8 |
| Manganese (Mn), % | 0 to 0.060 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 |
| Zinc (Zn), % | 5.1 to 6.2 | |
| 4.8 to 6.2 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |