6014 Aluminum vs. 7021 Aluminum
Both 6014 aluminum and 7021 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 6014 aluminum and the bottom bar is 7021 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 69 |
| Elongation at Break, % | 9.1 to 17 | |
| 9.4 |
| Fatigue Strength, MPa | 43 to 79 | |
| 150 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 96 to 150 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 260 | |
| 460 |
| Tensile Strength: Yield (Proof), MPa | 80 to 200 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 630 |
| Melting Onset (Solidus), °C | 620 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 200 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 53 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 180 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.6 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 1190 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 | |
| 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 46 to 300 | |
| 1110 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 47 |
| Strength to Weight: Axial, points | 16 to 26 | |
| 44 |
| Strength to Weight: Bending, points | 24 to 33 | |
| 45 |
| Thermal Diffusivity, mm2/s | 83 | |
| 59 |
| Thermal Shock Resistance, points | 7.0 to 11 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 97.1 to 99.2 | |
| 90.7 to 93.7 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0.4 to 0.8 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0.050 to 0.2 | |
| 0 to 0.1 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 |
| Vanadium (V), % | 0.050 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 5.0 to 6.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.18 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |