771.0 Aluminum vs. EN 1.7335 Steel
771.0 aluminum belongs to the aluminum alloys classification, while EN 1.7335 steel belongs to the iron 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 771.0 aluminum and the bottom bar is EN 1.7335 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 to 120 | |
| 150 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 190 |
| Elongation at Break, % | 1.7 to 6.5 | |
| 21 to 22 |
| Fatigue Strength, MPa | 92 to 180 | |
| 200 to 220 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 370 | |
| 500 to 520 |
| Tensile Strength: Yield (Proof), MPa | 210 to 350 | |
| 280 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 430 |
| Melting Completion (Liquidus), °C | 630 | |
| 1470 |
| Melting Onset (Solidus), °C | 620 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 470 |
| Thermal Conductivity, W/m-K | 140 to 150 | |
| 44 |
| Thermal Expansion, µm/m-K | 24 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 82 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 2.8 |
| Density, g/cm3 | 3.0 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 1.6 |
| Embodied Energy, MJ/kg | 150 | |
| 21 |
| Embodied Water, L/kg | 1130 | |
| 52 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 20 | |
| 91 to 97 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 900 | |
| 210 to 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 35 | |
| 18 |
| Strength to Weight: Bending, points | 29 to 39 | |
| 18 |
| Thermal Diffusivity, mm2/s | 54 to 58 | |
| 12 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 92.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.080 to 0.18 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0.7 to 1.2 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.15 | |
| 96.4 to 98.4 |
| Magnesium (Mg), % | 0.8 to 1.0 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.4 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.4 to 0.6 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0.1 to 0.2 | |
| 0 |
| Zinc (Zn), % | 6.5 to 7.5 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |