4015 Aluminum vs. EN 1.1170 Steel
4015 aluminum belongs to the aluminum alloys classification, while EN 1.1170 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 4015 aluminum and the bottom bar is EN 1.1170 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 35 to 70 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 190 |
| Elongation at Break, % | 1.1 to 23 | |
| 16 to 17 |
| Fatigue Strength, MPa | 46 to 71 | |
| 220 to 330 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 73 |
| Shear Strength, MPa | 82 to 120 | |
| 390 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 130 to 220 | |
| 640 to 730 |
| Tensile Strength: Yield (Proof), MPa | 50 to 200 | |
| 330 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 400 |
| Melting Completion (Liquidus), °C | 640 | |
| 1460 |
| Melting Onset (Solidus), °C | 600 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 160 | |
| 50 |
| Thermal Expansion, µm/m-K | 23 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 2.1 |
| Density, g/cm3 | 2.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 1.5 |
| Embodied Energy, MJ/kg | 150 | |
| 19 |
| Embodied Water, L/kg | 1160 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.4 to 24 | |
| 91 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 18 to 290 | |
| 290 to 670 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 22 | |
| 23 to 26 |
| Strength to Weight: Bending, points | 21 to 30 | |
| 21 to 23 |
| Thermal Diffusivity, mm2/s | 66 | |
| 13 |
| Thermal Shock Resistance, points | 5.7 to 9.7 | |
| 20 to 23 |
Alloy Composition
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| Aluminum (Al), % | 94.9 to 97.9 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.25 to 0.32 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.7 | |
| 96.7 to 98.5 |
| Magnesium (Mg), % | 0.1 to 0.5 | |
| 0 |
| Manganese (Mn), % | 0.6 to 1.2 | |
| 1.3 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 1.4 to 2.2 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |