7021 Aluminum vs. 6262 Aluminum
Both 7021 aluminum and 6262 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is 7021 aluminum and the bottom bar is 6262 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 68 |
| Elongation at Break, % | 9.4 | |
| 4.6 to 10 |
| Fatigue Strength, MPa | 150 | |
| 90 to 110 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 270 | |
| 170 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 290 to 390 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 270 to 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 630 | |
| 650 |
| Melting Onset (Solidus), °C | 510 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 890 |
| Thermal Conductivity, W/m-K | 150 | |
| 170 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 | |
| 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.9 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 41 | |
| 17 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 | |
| 530 to 940 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 48 |
| Strength to Weight: Axial, points | 44 | |
| 29 to 39 |
| Strength to Weight: Bending, points | 45 | |
| 35 to 42 |
| Thermal Diffusivity, mm2/s | 59 | |
| 69 |
| Thermal Shock Resistance, points | 20 | |
| 13 to 18 |
Alloy Composition
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| Aluminum (Al), % | 90.7 to 93.7 | |
| 94.7 to 97.8 |
| Bismuth (Bi), % | 0 | |
| 0.4 to 0.7 |
| Chromium (Cr), % | 0 to 0.050 | |
| 0.040 to 0.14 |
| Copper (Cu), % | 0 to 0.25 | |
| 0.15 to 0.4 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 | |
| 0.4 to 0.7 |
| Magnesium (Mg), % | 1.2 to 1.8 | |
| 0.8 to 1.2 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.25 | |
| 0.4 to 0.8 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.15 |
| Zinc (Zn), % | 5.0 to 6.0 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0.080 to 0.18 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |