EN 1.0303 Steel vs. B443.0 Aluminum
EN 1.0303 steel belongs to the iron alloys classification, while B443.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is B443.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 84 to 120 | |
| 43 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 12 to 25 | |
| 4.9 |
| Fatigue Strength, MPa | 150 to 230 | |
| 55 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 26 |
| Shear Strength, MPa | 220 to 260 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 410 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 200 to 320 | |
| 50 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 170 |
| Melting Completion (Liquidus), °C | 1470 | |
| 620 |
| Melting Onset (Solidus), °C | 1430 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Conductivity, W/m-K | 53 | |
| 150 |
| Thermal Expansion, µm/m-K | 12 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.9 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.9 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 9.5 |
| Density, g/cm3 | 7.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 8.0 |
| Embodied Energy, MJ/kg | 18 | |
| 150 |
| Embodied Water, L/kg | 46 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 94 | |
| 5.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 270 | |
| 18 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 52 |
| Strength to Weight: Axial, points | 10 to 15 | |
| 15 |
| Strength to Weight: Bending, points | 12 to 16 | |
| 23 |
| Thermal Diffusivity, mm2/s | 14 | |
| 61 |
| Thermal Shock Resistance, points | 9.2 to 13 | |
| 6.8 |
Alloy Composition
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| Aluminum (Al), % | 0.020 to 0.060 | |
| 91.9 to 95.5 |
| Carbon (C), % | 0.020 to 0.060 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.15 |
| Iron (Fe), % | 99.335 to 99.71 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.25 to 0.4 | |
| 0 to 0.35 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 4.5 to 6.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.15 |