712.0 Aluminum vs. 7003 Aluminum
Both 712.0 aluminum and 7003 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 712.0 aluminum and the bottom bar is 7003 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 4.5 to 4.7 | |
| 11 |
| Fatigue Strength, MPa | 140 to 180 | |
| 130 to 150 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 180 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 260 | |
| 350 to 390 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 300 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 630 |
| Melting Onset (Solidus), °C | 610 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 160 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 37 to 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 270 | |
| 630 to 710 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 47 |
| Strength to Weight: Axial, points | 24 to 25 | |
| 33 to 37 |
| Strength to Weight: Bending, points | 30 to 31 | |
| 37 to 40 |
| Thermal Diffusivity, mm2/s | 62 | |
| 59 |
| Thermal Shock Resistance, points | 11 | |
| 15 to 17 |
Alloy Composition
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| Aluminum (Al), % | 90.7 to 94 | |
| 90.6 to 94.5 |
| Chromium (Cr), % | 0.4 to 0.6 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0.5 to 0.65 | |
| 0.5 to 1.0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0.15 to 0.25 | |
| 0 to 0.2 |
| Zinc (Zn), % | 5.0 to 6.5 | |
| 5.0 to 6.5 |
| Zirconium (Zr), % | 0 | |
| 0.050 to 0.25 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.15 |