1200 Aluminum vs. EN-MC21220 Magnesium
1200 aluminum belongs to the aluminum alloys classification, while EN-MC21220 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 1200 aluminum and the bottom bar is EN-MC21220 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 23 to 48 | |
58 |
Elastic (Young's, Tensile) Modulus, GPa | 69 | |
45 |
Elongation at Break, % | 1.1 to 28 | |
11 |
Fatigue Strength, MPa | 25 to 69 | |
89 |
Poisson's Ratio | 0.33 | |
0.29 |
Shear Modulus, GPa | 26 | |
17 |
Shear Strength, MPa | 54 to 100 | |
120 |
Tensile Strength: Ultimate (UTS), MPa | 85 to 180 | |
210 |
Tensile Strength: Yield (Proof), MPa | 28 to 160 | |
120 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
350 |
Maximum Temperature: Mechanical, °C | 170 | |
120 |
Melting Completion (Liquidus), °C | 660 | |
600 |
Melting Onset (Solidus), °C | 650 | |
540 |
Specific Heat Capacity, J/kg-K | 900 | |
1000 |
Thermal Conductivity, W/m-K | 230 | |
65 |
Thermal Expansion, µm/m-K | 23 | |
27 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 58 | |
16 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 190 | |
87 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.0 | |
12 |
Density, g/cm3 | 2.7 | |
1.7 |
Embodied Carbon, kg CO2/kg material | 8.2 | |
23 |
Embodied Energy, MJ/kg | 150 | |
160 |
Embodied Water, L/kg | 1190 | |
990 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.0 to 19 | |
20 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 5.7 to 180 | |
160 |
Stiffness to Weight: Axial, points | 14 | |
15 |
Stiffness to Weight: Bending, points | 50 | |
71 |
Strength to Weight: Axial, points | 8.7 to 19 | |
34 |
Strength to Weight: Bending, points | 16 to 26 | |
46 |
Thermal Diffusivity, mm2/s | 92 | |
39 |
Thermal Shock Resistance, points | 3.8 to 8.1 | |
12 |
Alloy Composition
Aluminum (Al), % | 99 to 100 | |
4.4 to 5.5 |
Copper (Cu), % | 0 to 0.050 | |
0 to 0.010 |
Iron (Fe), % | 0 to 1.0 | |
0 to 0.0050 |
Magnesium (Mg), % | 0 | |
93.5 to 95.5 |
Manganese (Mn), % | 0 to 0.050 | |
0.1 to 0.6 |
Nickel (Ni), % | 0 | |
0 to 0.0020 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.1 |
Titanium (Ti), % | 0 to 0.050 | |
0 |
Zinc (Zn), % | 0 to 0.1 | |
0 to 0.3 |
Residuals, % | 0 | |
0 to 0.010 |