EN AC-21100 Aluminum vs. A242.0 Aluminum
Both EN AC-21100 aluminum and A242.0 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN AC-21100 aluminum and the bottom bar is A242.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 110 | |
| 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 73 |
| Elongation at Break, % | 6.2 to 7.3 | |
| 1.6 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 350 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 210 |
| Melting Completion (Liquidus), °C | 670 | |
| 680 |
| Melting Onset (Solidus), °C | 550 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 3.0 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1130 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 45 |
| Strength to Weight: Axial, points | 31 to 33 | |
| 20 |
| Strength to Weight: Bending, points | 36 to 37 | |
| 26 |
| Thermal Diffusivity, mm2/s | 48 | |
| 52 |
| Thermal Shock Resistance, points | 15 | |
| 9.3 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.7 | |
| 89.3 to 93.1 |
| Chromium (Cr), % | 0 | |
| 0.15 to 0.25 |
| Copper (Cu), % | 4.2 to 5.2 | |
| 3.7 to 4.5 |
| Iron (Fe), % | 0 to 0.19 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0 | |
| 1.2 to 1.7 |
| Manganese (Mn), % | 0 to 0.55 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 1.8 to 2.3 |
| Silicon (Si), % | 0 to 0.18 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0.070 to 0.2 |
| Zinc (Zn), % | 0 to 0.070 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.15 |