EN 1.7383 Steel vs. 705.0 Aluminum
EN 1.7383 steel belongs to the iron alloys classification, while 705.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.7383 steel and the bottom bar is 705.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 180 | |
| 62 to 65 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 69 |
| Elongation at Break, % | 20 to 23 | |
| 8.4 to 10 |
| Fatigue Strength, MPa | 210 to 270 | |
| 63 to 98 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 74 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 560 to 610 | |
| 240 to 260 |
| Tensile Strength: Yield (Proof), MPa | 300 to 400 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 180 |
| Melting Completion (Liquidus), °C | 1470 | |
| 640 |
| Melting Onset (Solidus), °C | 1430 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 890 |
| Thermal Conductivity, W/m-K | 39 | |
| 140 |
| Thermal Expansion, µm/m-K | 13 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.9 | |
| 9.5 |
| Density, g/cm3 | 7.9 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 8.4 |
| Embodied Energy, MJ/kg | 23 | |
| 150 |
| Embodied Water, L/kg | 59 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 18 to 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 420 | |
| 120 to 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 49 |
| Strength to Weight: Axial, points | 20 to 22 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 19 to 20 | |
| 31 to 32 |
| Thermal Diffusivity, mm2/s | 11 | |
| 55 |
| Thermal Shock Resistance, points | 16 to 18 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.040 | |
| 92.3 to 98.6 |
| Carbon (C), % | 0.080 to 0.15 | |
| 0 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.2 |
| Iron (Fe), % | 94.3 to 96.6 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0 | |
| 1.4 to 1.8 |
| Manganese (Mn), % | 0.4 to 0.8 | |
| 0 to 0.6 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 3.3 |
| Residuals, % | 0 | |
| 0 to 0.15 |