EN-MC35110 Magnesium vs. 5251 Aluminum
EN-MC35110 magnesium belongs to the magnesium alloys classification, while 5251 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC35110 magnesium and the bottom bar is 5251 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 63 | |
| 44 to 79 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 68 |
| Elongation at Break, % | 3.1 | |
| 2.0 to 19 |
| Fatigue Strength, MPa | 110 | |
| 59 to 110 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 130 | |
| 110 to 160 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 180 to 280 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 67 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 180 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 520 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 900 |
| Thermal Conductivity, W/m-K | 110 | |
| 150 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 18 | |
| 9.5 |
| Density, g/cm3 | 1.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.5 |
| Embodied Energy, MJ/kg | 170 | |
| 150 |
| Embodied Water, L/kg | 940 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.3 | |
| 5.4 to 27 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 | |
| 33 to 450 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 63 | |
| 50 |
| Strength to Weight: Axial, points | 34 | |
| 18 to 29 |
| Strength to Weight: Bending, points | 44 | |
| 26 to 35 |
| Thermal Diffusivity, mm2/s | 61 | |
| 61 |
| Thermal Shock Resistance, points | 14 | |
| 7.9 to 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 95.5 to 98.2 |
| Chromium (Cr), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 92 to 95.4 | |
| 1.7 to 2.4 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0.1 to 0.5 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Unspecified Rare Earths, % | 0.75 to 1.8 | |
| 0 |
| Zinc (Zn), % | 3.5 to 5.0 | |
| 0 to 0.15 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |