EN-MC65120 Magnesium vs. 4006 Aluminum
EN-MC65120 magnesium belongs to the magnesium alloys classification, while 4006 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 4006 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 55 | |
| 28 to 45 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 69 |
| Elongation at Break, % | 3.1 | |
| 3.4 to 24 |
| Fatigue Strength, MPa | 80 | |
| 35 to 110 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 92 | |
| 70 to 91 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 110 to 160 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 62 to 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 160 |
| Melting Completion (Liquidus), °C | 590 | |
| 640 |
| Melting Onset (Solidus), °C | 520 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 900 |
| Thermal Conductivity, W/m-K | 100 | |
| 220 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 9.0 |
| Density, g/cm3 | 1.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 25 | |
| 8.1 |
| Embodied Energy, MJ/kg | 190 | |
| 150 |
| Embodied Water, L/kg | 930 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 | |
| 5.1 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 28 to 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 62 | |
| 50 |
| Strength to Weight: Axial, points | 23 | |
| 11 to 16 |
| Strength to Weight: Bending, points | 34 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 56 | |
| 89 |
| Thermal Shock Resistance, points | 9.8 | |
| 4.9 to 7.0 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 97.4 to 98.7 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.010 | |
| 0.5 to 0.8 |
| Magnesium (Mg), % | 91.8 to 95.1 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.010 | |
| 0.8 to 1.2 |
| Unspecified Rare Earths, % | 2.5 to 4.0 | |
| 0 |
| Zinc (Zn), % | 2.0 to 3.0 | |
| 0 to 0.050 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |