4115 Aluminum vs. EN 1.7383 Steel
4115 aluminum belongs to the aluminum alloys classification, while EN 1.7383 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 4115 aluminum and the bottom bar is EN 1.7383 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 38 to 68 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 190 |
| Elongation at Break, % | 1.1 to 11 | |
| 20 to 23 |
| Fatigue Strength, MPa | 39 to 76 | |
| 210 to 270 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 74 |
| Shear Strength, MPa | 71 to 130 | |
| 350 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 120 to 220 | |
| 560 to 610 |
| Tensile Strength: Yield (Proof), MPa | 39 to 190 | |
| 300 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 460 |
| Melting Completion (Liquidus), °C | 640 | |
| 1470 |
| Melting Onset (Solidus), °C | 590 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 160 | |
| 39 |
| Thermal Expansion, µm/m-K | 23 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 3.9 |
| Density, g/cm3 | 2.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 1.8 |
| Embodied Energy, MJ/kg | 150 | |
| 23 |
| Embodied Water, L/kg | 1160 | |
| 59 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.1 to 10 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 to 270 | |
| 240 to 420 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 23 | |
| 20 to 22 |
| Strength to Weight: Bending, points | 20 to 30 | |
| 19 to 20 |
| Thermal Diffusivity, mm2/s | 66 | |
| 11 |
| Thermal Shock Resistance, points | 5.2 to 9.9 | |
| 16 to 18 |
Alloy Composition
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| Aluminum (Al), % | 94.6 to 97.4 | |
| 0 to 0.040 |
| Carbon (C), % | 0 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 0 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 0.1 to 0.5 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.7 | |
| 94.3 to 96.6 |
| Magnesium (Mg), % | 0.1 to 0.5 | |
| 0 |
| Manganese (Mn), % | 0.6 to 1.2 | |
| 0.4 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 1.8 to 2.2 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |