EN-MC21110 Magnesium vs. 2018 Aluminum
EN-MC21110 magnesium belongs to the magnesium alloys classification, while 2018 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is EN-MC21110 magnesium and the bottom bar is 2018 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 58 to 63 | |
120 |
Elastic (Young's, Tensile) Modulus, GPa | 46 | |
73 |
Elongation at Break, % | 2.8 to 6.7 | |
9.6 |
Fatigue Strength, MPa | 75 to 78 | |
120 |
Poisson's Ratio | 0.29 | |
0.33 |
Shear Modulus, GPa | 18 | |
27 |
Shear Strength, MPa | 120 to 160 | |
270 |
Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
420 |
Tensile Strength: Yield (Proof), MPa | 100 to 120 | |
310 |
Thermal Properties
Latent Heat of Fusion, J/g | 350 | |
390 |
Maximum Temperature: Mechanical, °C | 130 | |
220 |
Melting Completion (Liquidus), °C | 600 | |
640 |
Melting Onset (Solidus), °C | 500 | |
510 |
Specific Heat Capacity, J/kg-K | 990 | |
870 |
Thermal Conductivity, W/m-K | 80 | |
150 |
Thermal Expansion, µm/m-K | 26 | |
22 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 12 | |
40 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
120 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 12 | |
11 |
Density, g/cm3 | 1.7 | |
3.1 |
Embodied Carbon, kg CO2/kg material | 23 | |
8.1 |
Embodied Energy, MJ/kg | 160 | |
150 |
Embodied Water, L/kg | 990 | |
1130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.9 to 14 | |
37 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 150 | |
670 |
Stiffness to Weight: Axial, points | 15 | |
13 |
Stiffness to Weight: Bending, points | 69 | |
45 |
Strength to Weight: Axial, points | 33 to 44 | |
38 |
Strength to Weight: Bending, points | 45 to 54 | |
41 |
Thermal Diffusivity, mm2/s | 47 | |
57 |
Thermal Shock Resistance, points | 12 to 16 | |
19 |
Alloy Composition
Aluminum (Al), % | 7.0 to 8.7 | |
89.7 to 94.4 |
Chromium (Cr), % | 0 | |
0 to 0.1 |
Copper (Cu), % | 0 to 0.030 | |
3.5 to 4.5 |
Iron (Fe), % | 0 to 0.0050 | |
0 to 1.0 |
Magnesium (Mg), % | 89.6 to 92.6 | |
0.45 to 0.9 |
Manganese (Mn), % | 0.1 to 0.35 | |
0 to 0.2 |
Nickel (Ni), % | 0 to 0.0020 | |
1.7 to 2.3 |
Silicon (Si), % | 0 to 0.2 | |
0 to 0.9 |
Zinc (Zn), % | 0.35 to 1.0 | |
0 to 0.25 |
Residuals, % | 0 | |
0 to 0.15 |