2618 Aluminum vs. EN-MC21210 Magnesium
2618 aluminum belongs to the aluminum alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 2618 aluminum and the bottom bar is EN-MC21210 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 120 | |
48 |
Elastic (Young's, Tensile) Modulus, GPa | 71 | |
44 |
Elongation at Break, % | 5.8 | |
14 |
Fatigue Strength, MPa | 110 | |
70 |
Poisson's Ratio | 0.33 | |
0.29 |
Shear Modulus, GPa | 27 | |
17 |
Shear Strength, MPa | 260 | |
110 |
Tensile Strength: Ultimate (UTS), MPa | 420 | |
190 |
Tensile Strength: Yield (Proof), MPa | 350 | |
90 |
Thermal Properties
Latent Heat of Fusion, J/g | 390 | |
350 |
Maximum Temperature: Mechanical, °C | 210 | |
100 |
Melting Completion (Liquidus), °C | 640 | |
600 |
Melting Onset (Solidus), °C | 550 | |
570 |
Specific Heat Capacity, J/kg-K | 880 | |
1000 |
Thermal Conductivity, W/m-K | 160 | |
120 |
Thermal Expansion, µm/m-K | 22 | |
27 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 37 | |
24 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
130 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 11 | |
12 |
Density, g/cm3 | 2.9 | |
1.6 |
Embodied Carbon, kg CO2/kg material | 8.3 | |
24 |
Embodied Energy, MJ/kg | 150 | |
160 |
Embodied Water, L/kg | 1150 | |
980 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 | |
22 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 850 | |
92 |
Stiffness to Weight: Axial, points | 13 | |
15 |
Stiffness to Weight: Bending, points | 47 | |
72 |
Strength to Weight: Axial, points | 40 | |
32 |
Strength to Weight: Bending, points | 42 | |
44 |
Thermal Diffusivity, mm2/s | 62 | |
76 |
Thermal Shock Resistance, points | 19 | |
11 |
Alloy Composition
Aluminum (Al), % | 92.4 to 94.9 | |
1.6 to 2.6 |
Copper (Cu), % | 1.9 to 2.7 | |
0 to 0.010 |
Iron (Fe), % | 0.9 to 1.3 | |
0 to 0.0050 |
Magnesium (Mg), % | 1.3 to 1.8 | |
96.3 to 98.3 |
Manganese (Mn), % | 0 | |
0.1 to 0.7 |
Nickel (Ni), % | 0.9 to 1.2 | |
0 to 0.0020 |
Silicon (Si), % | 0.1 to 0.25 | |
0 to 0.1 |
Titanium (Ti), % | 0.040 to 0.1 | |
0 |
Zinc (Zn), % | 0 to 0.1 | |
0 to 0.2 |
Residuals, % | 0 | |
0 to 0.010 |