EN 1.6553 Steel vs. 707.0 Aluminum
EN 1.6553 steel belongs to the iron alloys classification, while 707.0 aluminum belongs to the aluminum alloys. There are 29 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 1.6553 steel and the bottom bar is 707.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 19 to 21 | |
| 1.7 to 3.4 |
| Fatigue Strength, MPa | 330 to 460 | |
| 75 to 140 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 710 to 800 | |
| 270 to 300 |
| Tensile Strength: Yield (Proof), MPa | 470 to 670 | |
| 170 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 180 |
| Melting Completion (Liquidus), °C | 1460 | |
| 630 |
| Melting Onset (Solidus), °C | 1420 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 880 |
| Thermal Conductivity, W/m-K | 39 | |
| 150 |
| Thermal Expansion, µm/m-K | 13 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.7 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 8.3 |
| Embodied Energy, MJ/kg | 21 | |
| 150 |
| Embodied Water, L/kg | 51 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
| 4.3 to 8.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 600 to 1190 | |
| 210 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 47 |
| Strength to Weight: Axial, points | 25 to 28 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 23 to 24 | |
| 32 to 34 |
| Thermal Diffusivity, mm2/s | 10 | |
| 58 |
| Thermal Shock Resistance, points | 21 to 23 | |
| 12 to 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.5 to 93.6 |
| Carbon (C), % | 0.23 to 0.28 | |
| 0 |
| Chromium (Cr), % | 0.4 to 0.8 | |
| 0.2 to 0.4 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.2 |
| Iron (Fe), % | 95.6 to 98.2 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0 | |
| 1.8 to 2.4 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0.4 to 0.6 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0.4 to 0.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.8 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 4.0 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.15 |