7010 Aluminum vs. EV31A Magnesium
7010 aluminum belongs to the aluminum alloys classification, while EV31A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is 7010 aluminum and the bottom bar is EV31A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 44 |
| Elongation at Break, % | 3.9 to 6.8 | |
| 3.5 |
| Fatigue Strength, MPa | 160 to 190 | |
| 120 |
| Poisson's Ratio | 0.32 | |
| 0.27 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 300 to 340 | |
| 170 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 410 to 540 | |
| 170 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Onset (Solidus), °C | 480 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 1000 |
| Thermal Conductivity, W/m-K | 150 | |
| 86 |
| Thermal Expansion, µm/m-K | 24 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 90 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 | |
| 1.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 33 | |
| 8.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1230 to 2130 | |
| 330 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 65 |
| Strength to Weight: Axial, points | 47 to 54 | |
| 40 |
| Strength to Weight: Bending, points | 47 to 52 | |
| 50 |
| Thermal Diffusivity, mm2/s | 58 | |
| 47 |
| Thermal Shock Resistance, points | 22 to 26 | |
| 16 |