EN AC-46400 Aluminum vs. EN AC-44400 Aluminum
Both EN AC-46400 aluminum and EN AC-44400 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 EN AC-46400 aluminum and the bottom bar is EN AC-44400 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 77 to 120 | |
| 61 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 71 |
| Elongation at Break, % | 1.1 to 1.7 | |
| 4.1 |
| Fatigue Strength, MPa | 75 to 85 | |
| 79 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 170 to 310 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 110 to 270 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 520 | |
| 540 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 610 | |
| 600 |
| Melting Onset (Solidus), °C | 570 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 22 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 7.8 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1070 | |
| 1080 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.7 to 4.9 | |
| 7.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 82 to 500 | |
| 85 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 52 | |
| 54 |
| Strength to Weight: Axial, points | 18 to 32 | |
| 23 |
| Strength to Weight: Bending, points | 26 to 38 | |
| 31 |
| Thermal Diffusivity, mm2/s | 55 | |
| 60 |
| Thermal Shock Resistance, points | 7.8 to 14 | |
| 9.8 |
Alloy Composition
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| Aluminum (Al), % | 85.4 to 90.5 | |
| 87.1 to 92 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.8 | |
| 0 to 0.65 |
| Lead (Pb), % | 0 to 0.1 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.25 to 0.65 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0.15 to 0.55 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 0.050 |
| Silicon (Si), % | 8.3 to 9.7 | |
| 8.0 to 11 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.8 | |
| 0 to 0.15 |
| Residuals, % | 0 to 0.25 | |
| 0 to 0.15 |