EN 1.7216 Steel vs. EN AC-71100 Aluminum
EN 1.7216 steel belongs to the iron alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 1.7216 steel and the bottom bar is EN AC-71100 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 280 | |
| 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 72 |
| Elongation at Break, % | 12 to 23 | |
| 1.1 |
| Fatigue Strength, MPa | 290 to 440 | |
| 150 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 930 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 400 to 690 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 490 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 170 |
| Melting Completion (Liquidus), °C | 1460 | |
| 580 |
| Melting Onset (Solidus), °C | 1420 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 860 |
| Thermal Expansion, µm/m-K | 13 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 97 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 7.4 |
| Embodied Energy, MJ/kg | 20 | |
| 140 |
| Embodied Water, L/kg | 50 | |
| 1010 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 2.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 to 1280 | |
| 360 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 47 |
| Strength to Weight: Axial, points | 23 to 33 | |
| 25 |
| Strength to Weight: Bending, points | 21 to 27 | |
| 31 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 78.7 to 83.3 |
| Carbon (C), % | 0.27 to 0.34 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 97.2 to 98.4 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0 | |
| 0.2 to 0.5 |
| Manganese (Mn), % | 0.35 to 0.6 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 0.35 | |
| 7.5 to 9.5 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 | |
| 9.0 to 10.5 |
| Residuals, % | 0 | |
| 0 to 0.15 |