7075 Aluminum vs. EN-MC35110 Magnesium
7075 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 30 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 7075 aluminum and the bottom bar is EN-MC35110 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 1.8 to 12 | |
| 3.1 |
| Fatigue Strength, MPa | 110 to 190 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 150 to 340 | |
| 130 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 590 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 120 to 510 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 140 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 480 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 970 |
| Thermal Conductivity, W/m-K | 130 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 18 |
| Density, g/cm3 | 3.0 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 170 |
| Embodied Water, L/kg | 1120 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 44 | |
| 6.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 1870 | |
| 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 63 |
| Strength to Weight: Axial, points | 22 to 54 | |
| 34 |
| Strength to Weight: Bending, points | 28 to 52 | |
| 44 |
| Thermal Diffusivity, mm2/s | 50 | |
| 61 |
| Thermal Shock Resistance, points | 10 to 25 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.4 | |
| 0 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 92 to 95.4 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 0.75 to 1.8 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 3.5 to 5.0 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |