6065 Aluminum vs. SAE-AISI 1524 Steel
6065 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1524 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 6065 aluminum and the bottom bar is SAE-AISI 1524 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 190 |
| Elongation at Break, % | 4.5 to 11 | |
| 14 to 22 |
| Fatigue Strength, MPa | 96 to 110 | |
| 230 to 340 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 73 |
| Shear Strength, MPa | 190 to 230 | |
| 360 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 400 | |
| 570 to 650 |
| Tensile Strength: Yield (Proof), MPa | 270 to 380 | |
| 320 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 400 |
| Melting Completion (Liquidus), °C | 640 | |
| 1460 |
| Melting Onset (Solidus), °C | 590 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 470 |
| Thermal Conductivity, W/m-K | 170 | |
| 52 |
| Thermal Expansion, µm/m-K | 23 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 43 | |
| 8.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 9.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 1.9 |
| Density, g/cm3 | 2.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 150 | |
| 19 |
| Embodied Water, L/kg | 1200 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 34 | |
| 84 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 540 to 1040 | |
| 270 to 760 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 49 | |
| 24 |
| Strength to Weight: Axial, points | 31 to 40 | |
| 20 to 23 |
| Strength to Weight: Bending, points | 36 to 43 | |
| 19 to 21 |
| Thermal Diffusivity, mm2/s | 67 | |
| 14 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 18 to 21 |
Alloy Composition
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| Aluminum (Al), % | 94.4 to 98.2 | |
| 0 |
| Bismuth (Bi), % | 0.5 to 1.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.19 to 0.25 |
| Chromium (Cr), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 0 |
| Iron (Fe), % | 0 to 0.7 | |
| 98 to 98.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.8 to 1.2 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 1.4 to 1.7 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.4 to 0.8 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.15 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |