EN 1.7725 Steel vs. 6005 Aluminum
EN 1.7725 steel belongs to the iron alloys classification, while 6005 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 1.7725 steel and the bottom bar is 6005 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 250 to 300 | |
| 90 to 95 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 68 |
| Elongation at Break, % | 14 | |
| 9.5 to 17 |
| Fatigue Strength, MPa | 390 to 550 | |
| 55 to 95 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1000 | |
| 190 to 310 |
| Tensile Strength: Yield (Proof), MPa | 610 to 860 | |
| 100 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 160 |
| Melting Completion (Liquidus), °C | 1460 | |
| 650 |
| Melting Onset (Solidus), °C | 1420 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Conductivity, W/m-K | 39 | |
| 180 to 200 |
| Thermal Expansion, µm/m-K | 13 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 54 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 8.3 |
| Embodied Energy, MJ/kg | 24 | |
| 150 |
| Embodied Water, L/kg | 54 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 27 to 36 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 980 to 1940 | |
| 77 to 550 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 51 |
| Strength to Weight: Axial, points | 29 to 35 | |
| 20 to 32 |
| Strength to Weight: Bending, points | 25 to 28 | |
| 28 to 38 |
| Thermal Diffusivity, mm2/s | 11 | |
| 74 to 83 |
| Thermal Shock Resistance, points | 24 to 29 | |
| 8.6 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 97.5 to 99 |
| Carbon (C), % | 0.27 to 0.34 | |
| 0 |
| Chromium (Cr), % | 1.3 to 1.7 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 95.7 to 97.5 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0 | |
| 0.4 to 0.6 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0.6 to 0.9 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Vanadium (V), % | 0.050 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |