EQ21A Magnesium vs. 5026 Aluminum
EQ21A magnesium belongs to the magnesium alloys classification, while 5026 aluminum belongs to the aluminum 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 EQ21A magnesium and the bottom bar is 5026 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 70 |
| Elongation at Break, % | 2.4 | |
| 5.1 to 11 |
| Fatigue Strength, MPa | 110 | |
| 94 to 140 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 150 | |
| 150 to 180 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 260 to 320 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 120 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 210 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 560 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 980 | |
| 890 |
| Thermal Conductivity, W/m-K | 110 | |
| 130 |
| Thermal Expansion, µm/m-K | 27 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 9.5 |
| Density, g/cm3 | 1.9 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 8.9 |
| Embodied Energy, MJ/kg | 210 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.6 | |
| 15 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 | |
| 100 to 440 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 63 | |
| 49 |
| Strength to Weight: Axial, points | 37 | |
| 26 to 32 |
| Strength to Weight: Bending, points | 47 | |
| 33 to 37 |
| Thermal Diffusivity, mm2/s | 62 | |
| 52 |
| Thermal Shock Resistance, points | 15 | |
| 11 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88.2 to 94.7 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0.050 to 0.1 | |
| 0.1 to 0.8 |
| Iron (Fe), % | 0 | |
| 0.2 to 1.0 |
| Magnesium (Mg), % | 93.9 to 96.8 | |
| 3.9 to 4.9 |
| Manganese (Mn), % | 0 | |
| 0.6 to 1.8 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.55 to 1.4 |
| Silver (Ag), % | 1.3 to 1.7 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Unspecified Rare Earths, % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |