5040 Aluminum vs. EN 1.7366 Steel
5040 aluminum belongs to the aluminum alloys classification, while EN 1.7366 steel belongs to the iron 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 5040 aluminum and the bottom bar is EN 1.7366 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 66 to 74 | |
| 140 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 190 |
| Elongation at Break, % | 5.7 to 6.8 | |
| 17 to 19 |
| Fatigue Strength, MPa | 100 to 130 | |
| 160 to 320 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 74 |
| Shear Strength, MPa | 140 to 150 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 260 | |
| 460 to 710 |
| Tensile Strength: Yield (Proof), MPa | 190 to 230 | |
| 230 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 510 |
| Melting Completion (Liquidus), °C | 650 | |
| 1460 |
| Melting Onset (Solidus), °C | 600 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 160 | |
| 40 |
| Thermal Expansion, µm/m-K | 23 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 8.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 4.3 |
| Density, g/cm3 | 2.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 1.7 |
| Embodied Energy, MJ/kg | 150 | |
| 23 |
| Embodied Water, L/kg | 1180 | |
| 69 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 15 | |
| 74 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 380 | |
| 140 to 600 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 25 |
| Strength to Weight: Axial, points | 24 to 26 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 31 to 32 | |
| 17 to 23 |
| Thermal Diffusivity, mm2/s | 64 | |
| 11 |
| Thermal Shock Resistance, points | 10 to 11 | |
| 13 to 20 |
Alloy Composition
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| Aluminum (Al), % | 95.2 to 98 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.18 |
| Chromium (Cr), % | 0.1 to 0.3 | |
| 4.0 to 6.0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 0 to 0.7 | |
| 91.9 to 95.3 |
| Magnesium (Mg), % | 1.0 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0.9 to 1.4 | |
| 0.3 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.65 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |