355.0 Aluminum vs. B443.0 Aluminum
Both 355.0 aluminum and B443.0 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 355.0 aluminum and the bottom bar is B443.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 72 to 83 | |
| 43 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 1.5 to 2.6 | |
| 4.9 |
| Fatigue Strength, MPa | 55 to 70 | |
| 55 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 150 to 240 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 260 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 150 to 190 | |
| 50 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 620 | |
| 620 |
| Melting Onset (Solidus), °C | 560 | |
| 600 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 to 170 | |
| 150 |
| Thermal Expansion, µm/m-K | 22 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 to 43 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 to 140 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.7 to 5.9 | |
| 5.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 250 | |
| 18 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 51 | |
| 52 |
| Strength to Weight: Axial, points | 20 to 27 | |
| 15 |
| Strength to Weight: Bending, points | 28 to 33 | |
| 23 |
| Thermal Diffusivity, mm2/s | 60 to 69 | |
| 61 |
| Thermal Shock Resistance, points | 9.1 to 12 | |
| 6.8 |
Alloy Composition
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| Aluminum (Al), % | 90.3 to 94.1 | |
| 91.9 to 95.5 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.35 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 4.5 to 6.0 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.35 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |