7049 Aluminum vs. 4007 Aluminum
Both 7049 aluminum and 4007 aluminum are aluminum alloys. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is 7049 aluminum and the bottom bar is 4007 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 | |
| 32 to 44 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 6.2 to 7.0 | |
| 5.1 to 23 |
| Fatigue Strength, MPa | 160 to 170 | |
| 46 to 88 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 300 to 310 | |
| 80 to 90 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 530 | |
| 130 to 160 |
| Tensile Strength: Yield (Proof), MPa | 420 to 450 | |
| 50 to 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 480 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 890 |
| Thermal Conductivity, W/m-K | 130 | |
| 170 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.1 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 34 | |
| 7.4 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 1440 | |
| 18 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 49 |
| Strength to Weight: Axial, points | 46 to 47 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 46 to 47 | |
| 20 to 23 |
| Thermal Diffusivity, mm2/s | 51 | |
| 67 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 5.5 to 6.7 |
Alloy Composition
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| Aluminum (Al), % | 85.7 to 89.5 | |
| 94.1 to 97.6 |
| Chromium (Cr), % | 0.1 to 0.22 | |
| 0.050 to 0.25 |
| Cobalt (Co), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.35 | |
| 0.4 to 1.0 |
| Magnesium (Mg), % | 2.0 to 2.9 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0.8 to 1.5 |
| Nickel (Ni), % | 0 | |
| 0.15 to 0.7 |
| Silicon (Si), % | 0 to 0.25 | |
| 1.0 to 1.7 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 7.2 to 8.2 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |