6018 Aluminum vs. EV31A Magnesium
6018 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 6018 aluminum and the bottom bar is EV31A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 44 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 3.5 |
| Fatigue Strength, MPa | 85 to 89 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.27 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 170 to 180 | |
| 170 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 300 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 220 to 230 | |
| 170 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 160 | |
| 200 |
| Melting Onset (Solidus), °C | 570 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 1000 |
| Thermal Conductivity, W/m-K | 170 | |
| 86 |
| Thermal Expansion, µm/m-K | 23 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 90 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 | |
| 1.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 25 | |
| 8.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 330 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 48 | |
| 65 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 40 |
| Strength to Weight: Bending, points | 34 to 35 | |
| 50 |
| Thermal Diffusivity, mm2/s | 65 | |
| 47 |
| Thermal Shock Resistance, points | 13 | |
| 16 |