7010 Aluminum vs. EQ21A Magnesium
7010 aluminum belongs to the aluminum alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is 7010 aluminum and the bottom bar is EQ21A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 44 |
| Elongation at Break, % | 3.9 to 6.8 | |
| 2.4 |
| Fatigue Strength, MPa | 160 to 190 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 300 to 340 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 250 |
| Tensile Strength: Yield (Proof), MPa | 410 to 540 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 480 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 980 |
| Thermal Conductivity, W/m-K | 150 | |
| 110 |
| Thermal Expansion, µm/m-K | 24 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 80 |
| Density, g/cm3 | 3.0 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 27 |
| Embodied Energy, MJ/kg | 150 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 33 | |
| 5.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1230 to 2130 | |
| 410 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 63 |
| Strength to Weight: Axial, points | 47 to 54 | |
| 37 |
| Strength to Weight: Bending, points | 47 to 52 | |
| 47 |
| Thermal Diffusivity, mm2/s | 58 | |
| 62 |
| Thermal Shock Resistance, points | 22 to 26 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 87.9 to 90.6 | |
| 0 |
| Chromium (Cr), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 1.5 to 2.0 | |
| 0.050 to 0.1 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 |
| Magnesium (Mg), % | 2.1 to 2.6 | |
| 93.9 to 96.8 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 |
| Silver (Ag), % | 0 | |
| 1.3 to 1.7 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 0 |
| Zirconium (Zr), % | 0.1 to 0.16 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |