6008 Aluminum vs. 5021 Aluminum
Both 6008 aluminum and 5021 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is 6008 aluminum and the bottom bar is 5021 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 68 |
| Elongation at Break, % | 9.1 to 17 | |
| 1.1 to 3.4 |
| Fatigue Strength, MPa | 55 to 88 | |
| 85 to 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 120 to 170 | |
| 170 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 290 | |
| 300 to 310 |
| Tensile Strength: Yield (Proof), MPa | 100 to 220 | |
| 240 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 620 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 190 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 49 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 160 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 8.6 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 28 | |
| 3.1 to 10 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 76 to 360 | |
| 440 to 550 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 21 to 29 | |
| 30 to 32 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 37 |
| Thermal Diffusivity, mm2/s | 77 | |
| 57 |
| Thermal Shock Resistance, points | 9.0 to 13 | |
| 13 to 14 |
Alloy Composition
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| Aluminum (Al), % | 96.5 to 99.1 | |
| 95.2 to 97.7 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 to 0.15 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.4 to 0.7 | |
| 2.2 to 2.8 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.1 to 0.5 |
| Silicon (Si), % | 0.5 to 0.9 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Vanadium (V), % | 0.050 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.15 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |