6018 Aluminum vs. 7049A Aluminum
Both 6018 aluminum and 7049A aluminum are aluminum alloys. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is 6018 aluminum and the bottom bar is 7049A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 71 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 5.0 to 5.7 |
| Fatigue Strength, MPa | 85 to 89 | |
| 180 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 170 to 180 | |
| 340 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 300 | |
| 580 to 590 |
| Tensile Strength: Yield (Proof), MPa | 220 to 230 | |
| 500 to 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 430 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 850 |
| Thermal Conductivity, W/m-K | 170 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 2.9 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 25 | |
| 28 to 32 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 1800 to 1990 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 48 | |
| 44 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 52 to 53 |
| Strength to Weight: Bending, points | 34 to 35 | |
| 50 to 51 |
| Thermal Diffusivity, mm2/s | 65 | |
| 50 |
| Thermal Shock Resistance, points | 13 | |
| 25 |
Alloy Composition
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| Aluminum (Al), % | 93.1 to 97.8 | |
| 84.6 to 89.5 |
| Bismuth (Bi), % | 0.4 to 0.7 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0.050 to 0.25 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.5 |
| Lead (Pb), % | 0.4 to 1.2 | |
| 0 |
| Magnesium (Mg), % | 0.6 to 1.2 | |
| 2.1 to 3.1 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 to 0.5 |
| Silicon (Si), % | 0.5 to 1.2 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.3 | |
| 7.2 to 8.4 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |