EN AC-45300 Aluminum vs. EN AC-21000 Aluminum
Both EN AC-45300 aluminum and EN AC-21000 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 EN AC-45300 aluminum and the bottom bar is EN AC-21000 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 94 to 120 | |
| 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 1.0 to 2.8 | |
| 6.7 |
| Fatigue Strength, MPa | 59 to 72 | |
| 100 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 290 | |
| 340 |
| Tensile Strength: Yield (Proof), MPa | 150 to 230 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 670 |
| Melting Onset (Solidus), °C | 590 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 880 |
| Thermal Conductivity, W/m-K | 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 22 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.7 to 5.6 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 390 | |
| 390 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 46 |
| Strength to Weight: Axial, points | 23 to 29 | |
| 32 |
| Strength to Weight: Bending, points | 30 to 35 | |
| 36 |
| Thermal Diffusivity, mm2/s | 60 | |
| 49 |
| Thermal Shock Resistance, points | 10 to 13 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 90.2 to 94.2 | |
| 93.4 to 95.5 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 0.65 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.15 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.35 to 0.65 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0 to 0.55 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 to 0.050 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.1 |