7003 Aluminum vs. 2007 Aluminum
Both 7003 aluminum and 2007 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 7003 aluminum and the bottom bar is 2007 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 11 | |
| 5.6 to 8.0 |
| Fatigue Strength, MPa | 130 to 150 | |
| 91 to 110 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 210 to 230 | |
| 220 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 390 | |
| 370 to 420 |
| Tensile Strength: Yield (Proof), MPa | 300 to 310 | |
| 240 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 510 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 47 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.9 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 41 | |
| 21 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 630 to 710 | |
| 390 to 530 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 44 |
| Strength to Weight: Axial, points | 33 to 37 | |
| 33 to 38 |
| Strength to Weight: Bending, points | 37 to 40 | |
| 37 to 40 |
| Thermal Diffusivity, mm2/s | 59 | |
| 48 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 16 to 19 |
Alloy Composition
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| Aluminum (Al), % | 90.6 to 94.5 | |
| 87.5 to 95 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.2 | |
| 3.3 to 4.6 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.8 |
| Lead (Pb), % | 0 | |
| 0.8 to 1.5 |
| Magnesium (Mg), % | 0.5 to 1.0 | |
| 0.4 to 1.8 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.5 to 1.0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.8 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 5.0 to 6.5 | |
| 0 to 0.8 |
| Zirconium (Zr), % | 0.050 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |