6018 Aluminum vs. 4006 Aluminum
Both 6018 aluminum and 4006 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 6018 aluminum and the bottom bar is 4006 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 69 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 3.4 to 24 |
| Fatigue Strength, MPa | 85 to 89 | |
| 35 to 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 170 to 180 | |
| 70 to 91 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 300 | |
| 110 to 160 |
| Tensile Strength: Yield (Proof), MPa | 220 to 230 | |
| 62 to 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 160 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 900 |
| Thermal Conductivity, W/m-K | 170 | |
| 220 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.0 |
| Density, g/cm3 | 2.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 25 | |
| 5.1 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 28 to 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 48 | |
| 50 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 11 to 16 |
| Strength to Weight: Bending, points | 34 to 35 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 65 | |
| 89 |
| Thermal Shock Resistance, points | 13 | |
| 4.9 to 7.0 |
Alloy Composition
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| Aluminum (Al), % | 93.1 to 97.8 | |
| 97.4 to 98.7 |
| Bismuth (Bi), % | 0.4 to 0.7 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.2 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.7 | |
| 0.5 to 0.8 |
| Lead (Pb), % | 0.4 to 1.2 | |
| 0 |
| Magnesium (Mg), % | 0.6 to 1.2 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 to 0.050 |
| Silicon (Si), % | 0.5 to 1.2 | |
| 0.8 to 1.2 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |