7022-T6 Aluminum vs. EN-MC21120-T6
7022-T6 aluminum belongs to the aluminum alloys classification, while EN-MC21120-T6 belongs to the magnesium alloys.
For each property being compared, the top bar is 7022-T6 aluminum and the bottom bar is EN-MC21120-T6.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 | |
| 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 46 |
| Elongation at Break, % | 7.8 | |
| 2.2 |
| Fatigue Strength, MPa | 160 | |
| 96 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 290 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 420 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 480 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 990 |
| Thermal Conductivity, W/m-K | 140 | |
| 76 |
| Thermal Expansion, µm/m-K | 24 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 21 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 65 | |
| 59 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 12 |
| Density, g/cm3 | 2.9 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 22 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1130 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 | |
| 5.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1280 | |
| 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 47 | |
| 69 |
| Strength to Weight: Axial, points | 48 | |
| 43 |
| Strength to Weight: Bending, points | 48 | |
| 53 |
| Thermal Diffusivity, mm2/s | 54 | |
| 44 |
| Thermal Shock Resistance, points | 22 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 87.9 to 92.4 | |
| 8.3 to 9.7 |
| Chromium (Cr), % | 0.1 to 0.3 | |
| 0 |
| Copper (Cu), % | 0.5 to 1.0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 2.6 to 3.7 | |
| 88.6 to 91.3 |
| Manganese (Mn), % | 0.1 to 0.4 | |
| 0.1 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0020 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 4.3 to 5.2 | |
| 0.35 to 1.0 |
| Zirconium (Zr), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |