EN AC-21000 Aluminum vs. EN AC-48000 Aluminum
Both EN AC-21000 aluminum and EN AC-48000 aluminum are aluminum alloys. They have 86% of their average alloy composition in common.
For each property being compared, the top bar is EN AC-21000 aluminum and the bottom bar is EN AC-48000 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 | |
| 100 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 73 |
| Elongation at Break, % | 6.7 | |
| 1.0 |
| Fatigue Strength, MPa | 100 | |
| 85 to 86 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 220 to 310 |
| Tensile Strength: Yield (Proof), MPa | 240 | |
| 210 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 570 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 190 |
| Melting Completion (Liquidus), °C | 670 | |
| 600 |
| Melting Onset (Solidus), °C | 550 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 890 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 10 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 7.9 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1150 | |
| 1030 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 | |
| 2.2 to 3.0 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 | |
| 300 to 510 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 46 | |
| 53 |
| Strength to Weight: Axial, points | 32 | |
| 23 to 33 |
| Strength to Weight: Bending, points | 36 | |
| 31 to 39 |
| Thermal Diffusivity, mm2/s | 49 | |
| 54 |
| Thermal Shock Resistance, points | 15 | |
| 10 to 15 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.5 | |
| 80.4 to 87.2 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 0.8 to 1.5 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.15 to 0.35 | |
| 0.8 to 1.5 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0.7 to 1.3 |
| Silicon (Si), % | 0 to 0.2 | |
| 10.5 to 13.5 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.15 |