444.0 Aluminum vs. A390.0 Aluminum
Both 444.0 aluminum and A390.0 aluminum are aluminum alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is 444.0 aluminum and the bottom bar is A390.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 50 | |
| 110 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 75 |
| Elongation at Break, % | 25 | |
| 0.87 to 0.91 |
| Fatigue Strength, MPa | 51 | |
| 70 to 100 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 190 | |
| 190 to 290 |
| Tensile Strength: Yield (Proof), MPa | 83 | |
| 190 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 640 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 610 | |
| 580 |
| Melting Onset (Solidus), °C | 600 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 880 |
| Thermal Conductivity, W/m-K | 160 | |
| 130 |
| Thermal Expansion, µm/m-K | 22 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 67 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.6 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 7.3 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1110 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 39 | |
| 1.6 to 2.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 | |
| 240 to 580 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 53 | |
| 52 |
| Strength to Weight: Axial, points | 20 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 28 | |
| 27 to 36 |
| Thermal Diffusivity, mm2/s | 67 | |
| 56 |
| Thermal Shock Resistance, points | 8.8 | |
| 9.0 to 14 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 93.5 | |
| 75.3 to 79.6 |
| Copper (Cu), % | 0 to 0.25 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0.45 to 0.65 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.1 |
| Silicon (Si), % | 6.5 to 7.5 | |
| 16 to 18 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.35 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.2 |