EN AC-21100 Aluminum vs. 8011A Aluminum
Both EN AC-21100 aluminum and 8011A aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is EN AC-21100 aluminum and the bottom bar is 8011A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 110 | |
| 25 to 50 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 69 |
| Elongation at Break, % | 6.2 to 7.3 | |
| 1.7 to 28 |
| Fatigue Strength, MPa | 79 to 87 | |
| 33 to 76 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 350 | |
| 100 to 180 |
| Tensile Strength: Yield (Proof), MPa | 210 to 240 | |
| 34 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 670 | |
| 650 |
| Melting Onset (Solidus), °C | 550 | |
| 630 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 210 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.0 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 21 | |
| 3.0 to 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 400 | |
| 8.2 to 200 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 50 |
| Strength to Weight: Axial, points | 31 to 33 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 36 to 37 | |
| 18 to 26 |
| Thermal Diffusivity, mm2/s | 48 | |
| 86 |
| Thermal Shock Resistance, points | 15 | |
| 4.6 to 8.1 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.7 | |
| 97.5 to 99.1 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 4.2 to 5.2 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.19 | |
| 0.5 to 1.0 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 0.55 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.18 | |
| 0.4 to 0.8 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.070 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.15 |