EN 1.5521 Steel vs. 6063A Aluminum
EN 1.5521 steel belongs to the iron alloys classification, while 6063A aluminum belongs to the aluminum 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 EN 1.5521 steel and the bottom bar is 6063A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 68 |
| Elongation at Break, % | 11 to 21 | |
| 6.7 to 18 |
| Fatigue Strength, MPa | 210 to 310 | |
| 53 to 80 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 26 |
| Shear Strength, MPa | 310 to 360 | |
| 78 to 150 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 1390 | |
| 130 to 260 |
| Tensile Strength: Yield (Proof), MPa | 300 to 490 | |
| 55 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 160 |
| Melting Completion (Liquidus), °C | 1460 | |
| 640 |
| Melting Onset (Solidus), °C | 1420 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Conductivity, W/m-K | 51 | |
| 200 |
| Thermal Expansion, µm/m-K | 13 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 49 to 54 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 160 to 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 8.3 |
| Embodied Energy, MJ/kg | 19 | |
| 150 |
| Embodied Water, L/kg | 47 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 230 | |
| 13 to 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 630 | |
| 22 to 280 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 50 |
| Strength to Weight: Axial, points | 15 to 49 | |
| 13 to 26 |
| Strength to Weight: Bending, points | 16 to 35 | |
| 21 to 33 |
| Thermal Diffusivity, mm2/s | 14 | |
| 83 |
| Thermal Shock Resistance, points | 13 to 41 | |
| 5.6 to 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 97.5 to 99 |
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.16 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.1 |
| Iron (Fe), % | 98 to 98.9 | |
| 0.15 to 0.35 |
| Magnesium (Mg), % | 0 | |
| 0.6 to 0.9 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.15 |
| Residuals, % | 0 | |
| 0 to 0.15 |