333.0 Aluminum vs. EN-MC21120 Magnesium
333.0 aluminum belongs to the aluminum alloys classification, while EN-MC21120 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 333.0 aluminum and the bottom bar is EN-MC21120 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 to 110 | |
| 63 to 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 46 |
| Elongation at Break, % | 1.0 to 2.0 | |
| 2.2 to 6.7 |
| Fatigue Strength, MPa | 83 to 100 | |
| 84 to 96 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 28 | |
| 18 |
| Shear Strength, MPa | 190 to 230 | |
| 110 to 160 |
| Tensile Strength: Ultimate (UTS), MPa | 230 to 280 | |
| 200 to 270 |
| Tensile Strength: Yield (Proof), MPa | 130 to 210 | |
| 130 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 520 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 130 |
| Melting Completion (Liquidus), °C | 590 | |
| 600 |
| Melting Onset (Solidus), °C | 530 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 990 |
| Thermal Conductivity, W/m-K | 100 to 140 | |
| 76 |
| Thermal Expansion, µm/m-K | 21 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 to 35 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 83 to 110 | |
| 59 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 12 |
| Density, g/cm3 | 2.8 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 7.6 | |
| 22 |
| Embodied Energy, MJ/kg | 140 | |
| 160 |
| Embodied Water, L/kg | 1040 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.1 to 4.6 | |
| 5.0 to 15 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 290 | |
| 180 to 320 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 49 | |
| 69 |
| Strength to Weight: Axial, points | 22 to 27 | |
| 31 to 43 |
| Strength to Weight: Bending, points | 29 to 34 | |
| 43 to 53 |
| Thermal Diffusivity, mm2/s | 42 to 57 | |
| 44 |
| Thermal Shock Resistance, points | 11 to 13 | |
| 11 to 16 |
Alloy Composition
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| Aluminum (Al), % | 81.8 to 89 | |
| 8.3 to 9.7 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0.050 to 0.5 | |
| 88.6 to 91.3 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.1 to 0.5 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 to 0.0020 |
| Silicon (Si), % | 8.0 to 10 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0.35 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.010 |