7475 Aluminum vs. EN 1.0565 Steel
7475 aluminum belongs to the aluminum alloys classification, while EN 1.0565 steel belongs to the iron alloys. There are 30 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 7475 aluminum and the bottom bar is EN 1.0565 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 190 |
| Elongation at Break, % | 10 to 12 | |
| 24 |
| Fatigue Strength, MPa | 190 to 210 | |
| 260 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 73 |
| Shear Strength, MPa | 320 to 350 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 590 | |
| 550 |
| Tensile Strength: Yield (Proof), MPa | 440 to 520 | |
| 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 400 |
| Melting Completion (Liquidus), °C | 640 | |
| 1460 |
| Melting Onset (Solidus), °C | 480 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 470 |
| Thermal Conductivity, W/m-K | 140 to 160 | |
| 50 |
| Thermal Expansion, µm/m-K | 23 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 42 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 to 120 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 2.3 |
| Density, g/cm3 | 3.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 1.6 |
| Embodied Energy, MJ/kg | 150 | |
| 22 |
| Embodied Water, L/kg | 1130 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 53 to 68 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1390 to 1920 | |
| 340 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 24 |
| Strength to Weight: Axial, points | 49 to 55 | |
| 19 |
| Strength to Weight: Bending, points | 48 to 52 | |
| 19 |
| Thermal Diffusivity, mm2/s | 53 to 63 | |
| 14 |
| Thermal Shock Resistance, points | 23 to 26 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 88.6 to 91.6 | |
| 0 to 0.060 |
| Carbon (C), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0.18 to 0.25 | |
| 0 to 0.3 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.12 | |
| 96.2 to 99 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.060 | |
| 0.9 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.080 |
| Nickel (Ni), % | 0 | |
| 0 to 0.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.050 |
| Nitrogen (N), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 5.1 to 6.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |