384.0 Aluminum vs. 380.0 Aluminum
Both 384.0 aluminum and 380.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is 384.0 aluminum and the bottom bar is 380.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 74 | |
| 74 |
| Elongation at Break, % | 2.5 | |
| 3.0 |
| Fatigue Strength, MPa | 140 | |
| 140 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 28 | |
| 28 |
| Shear Strength, MPa | 200 | |
| 190 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 320 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 550 | |
| 510 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 580 | |
| 590 |
| Melting Onset (Solidus), °C | 530 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 96 | |
| 100 |
| Thermal Expansion, µm/m-K | 21 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 69 | |
| 83 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 10 |
| Density, g/cm3 | 2.9 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 7.4 | |
| 7.5 |
| Embodied Energy, MJ/kg | 140 | |
| 140 |
| Embodied Water, L/kg | 1010 | |
| 1040 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.9 | |
| 8.0 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 | |
| 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 49 | |
| 48 |
| Strength to Weight: Axial, points | 32 | |
| 31 |
| Strength to Weight: Bending, points | 37 | |
| 36 |
| Thermal Diffusivity, mm2/s | 39 | |
| 40 |
| Thermal Shock Resistance, points | 15 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 77.3 to 86.5 | |
| 79.6 to 89.5 |
| Copper (Cu), % | 3.0 to 4.5 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 2.0 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 to 0.5 |
| Silicon (Si), % | 10.5 to 12 | |
| 7.5 to 9.5 |
| Tin (Sn), % | 0 to 0.35 | |
| 0 to 0.35 |
| Zinc (Zn), % | 0 to 3.0 | |
| 0 to 3.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |