EN-MC21320 Magnesium vs. 5059 Aluminum
EN-MC21320 magnesium belongs to the magnesium alloys classification, while 5059 aluminum belongs to the aluminum 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 EN-MC21320 magnesium and the bottom bar is 5059 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 69 |
| Elongation at Break, % | 7.5 | |
| 11 to 25 |
| Fatigue Strength, MPa | 95 | |
| 170 to 240 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 130 | |
| 220 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 350 to 410 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 170 to 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 210 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 530 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 900 |
| Thermal Conductivity, W/m-K | 66 | |
| 110 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 91 | |
| 95 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.6 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 9.1 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 980 | |
| 1160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 220 to 650 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 72 | |
| 50 |
| Strength to Weight: Axial, points | 38 | |
| 36 to 42 |
| Strength to Weight: Bending, points | 50 | |
| 41 to 45 |
| Thermal Diffusivity, mm2/s | 40 | |
| 44 |
| Thermal Shock Resistance, points | 13 | |
| 16 to 18 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 5.0 | |
| 89.9 to 94 |
| Chromium (Cr), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.010 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 92.5 to 95.9 | |
| 5.0 to 6.0 |
| Manganese (Mn), % | 0.1 to 0.7 | |
| 0.6 to 1.2 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 to 0.45 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0.4 to 0.9 |
| Zirconium (Zr), % | 0 | |
| 0.050 to 0.25 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |