6063A Aluminum vs. EQ21A Magnesium
6063A aluminum belongs to the aluminum alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is 6063A aluminum and the bottom bar is EQ21A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 68 | |
44 |
Elongation at Break, % | 6.7 to 18 | |
2.4 |
Fatigue Strength, MPa | 53 to 80 | |
110 |
Poisson's Ratio | 0.33 | |
0.29 |
Shear Modulus, GPa | 26 | |
17 |
Shear Strength, MPa | 78 to 150 | |
150 |
Tensile Strength: Ultimate (UTS), MPa | 130 to 260 | |
250 |
Tensile Strength: Yield (Proof), MPa | 55 to 200 | |
190 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
340 |
Maximum Temperature: Mechanical, °C | 160 | |
160 |
Melting Completion (Liquidus), °C | 640 | |
640 |
Melting Onset (Solidus), °C | 620 | |
560 |
Specific Heat Capacity, J/kg-K | 900 | |
980 |
Thermal Conductivity, W/m-K | 200 | |
110 |
Thermal Expansion, µm/m-K | 23 | |
27 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 49 to 54 | |
25 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 160 to 180 | |
120 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
80 |
Density, g/cm3 | 2.7 | |
1.9 |
Embodied Carbon, kg CO2/kg material | 8.3 | |
27 |
Embodied Energy, MJ/kg | 150 | |
210 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 21 | |
5.6 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 22 to 280 | |
410 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 50 | |
63 |
Strength to Weight: Axial, points | 13 to 26 | |
37 |
Strength to Weight: Bending, points | 21 to 33 | |
47 |
Thermal Diffusivity, mm2/s | 83 | |
62 |
Thermal Shock Resistance, points | 5.6 to 11 | |
15 |
Alloy Composition
Aluminum (Al), % | 97.5 to 99 | |
0 |
Chromium (Cr), % | 0 to 0.050 | |
0 |
Copper (Cu), % | 0 to 0.1 | |
0.050 to 0.1 |
Iron (Fe), % | 0.15 to 0.35 | |
0 |
Magnesium (Mg), % | 0.6 to 0.9 | |
93.9 to 96.8 |
Manganese (Mn), % | 0 to 0.15 | |
0 |
Nickel (Ni), % | 0 | |
0 to 0.010 |
Silicon (Si), % | 0.3 to 0.6 | |
0 |
Silver (Ag), % | 0 | |
1.3 to 1.7 |
Titanium (Ti), % | 0 to 0.1 | |
0 |
Unspecified Rare Earths, % | 0 | |
1.5 to 3.0 |
Zinc (Zn), % | 0 to 0.15 | |
0 |
Zirconium (Zr), % | 0 | |
0.4 to 1.0 |
Residuals, % | 0 | |
0 to 0.3 |