EN-MC21110 Magnesium vs. 5049 Aluminum
EN-MC21110 magnesium belongs to the magnesium alloys classification, while 5049 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC21110 magnesium and the bottom bar is 5049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 58 to 63 | |
| 52 to 88 |
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 69 |
| Elongation at Break, % | 2.8 to 6.7 | |
| 2.0 to 18 |
| Fatigue Strength, MPa | 75 to 78 | |
| 79 to 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 120 to 160 | |
| 130 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
| 210 to 330 |
| Tensile Strength: Yield (Proof), MPa | 100 to 120 | |
| 91 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 190 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 500 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 900 |
| Thermal Conductivity, W/m-K | 80 | |
| 140 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.5 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.9 to 14 | |
| 6.0 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 150 | |
| 59 to 570 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 69 | |
| 50 |
| Strength to Weight: Axial, points | 33 to 44 | |
| 22 to 34 |
| Strength to Weight: Bending, points | 45 to 54 | |
| 29 to 39 |
| Thermal Diffusivity, mm2/s | 47 | |
| 56 |
| Thermal Shock Resistance, points | 12 to 16 | |
| 9.3 to 15 |
Alloy Composition
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| Aluminum (Al), % | 7.0 to 8.7 | |
| 94.7 to 97.9 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 89.6 to 92.6 | |
| 1.6 to 2.5 |
| Manganese (Mn), % | 0.1 to 0.35 | |
| 0.5 to 1.1 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |