EN AC-71100 Aluminum vs. EN 1.7366 Steel
EN AC-71100 aluminum belongs to the aluminum alloys classification, while EN 1.7366 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 AC-71100 aluminum and the bottom bar is EN 1.7366 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 140 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 190 |
| Elongation at Break, % | 1.1 | |
| 17 to 19 |
| Fatigue Strength, MPa | 150 | |
| 160 to 320 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 260 | |
| 460 to 710 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 230 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 490 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 510 |
| Melting Completion (Liquidus), °C | 580 | |
| 1460 |
| Melting Onset (Solidus), °C | 520 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 470 |
| Thermal Expansion, µm/m-K | 22 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 32 | |
| 8.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 97 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 4.3 |
| Density, g/cm3 | 2.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 7.4 | |
| 1.7 |
| Embodied Energy, MJ/kg | 140 | |
| 23 |
| Embodied Water, L/kg | 1010 | |
| 69 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 | |
| 74 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 | |
| 140 to 600 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 25 |
| Strength to Weight: Axial, points | 25 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 31 | |
| 17 to 23 |
| Thermal Shock Resistance, points | 12 | |
| 13 to 20 |
Alloy Composition
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| Aluminum (Al), % | 78.7 to 83.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.18 |
| Chromium (Cr), % | 0 | |
| 4.0 to 6.0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 91.9 to 95.3 |
| Magnesium (Mg), % | 0.2 to 0.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0.3 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.65 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 7.5 to 9.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 9.0 to 10.5 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |