7020 Aluminum vs. 319.0 Aluminum
Both 7020 aluminum and 319.0 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 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 7020 aluminum and the bottom bar is 319.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 45 to 100 | |
| 78 to 84 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 72 |
| Elongation at Break, % | 8.4 to 14 | |
| 1.8 to 2.0 |
| Fatigue Strength, MPa | 110 to 130 | |
| 76 to 80 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 110 to 230 | |
| 170 to 210 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 390 | |
| 190 to 240 |
| Tensile Strength: Yield (Proof), MPa | 120 to 310 | |
| 110 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 480 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 170 |
| Melting Completion (Liquidus), °C | 650 | |
| 600 |
| Melting Onset (Solidus), °C | 610 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 150 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 84 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.9 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 7.7 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1150 | |
| 1080 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 to 46 | |
| 3.3 to 3.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 690 | |
| 88 to 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 48 |
| Strength to Weight: Axial, points | 18 to 37 | |
| 18 to 24 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 25 to 30 |
| Thermal Diffusivity, mm2/s | 59 | |
| 44 |
| Thermal Shock Resistance, points | 8.3 to 17 | |
| 8.6 to 11 |
Alloy Composition
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| Aluminum (Al), % | 91.2 to 94.8 | |
| 85.8 to 91.5 |
| Chromium (Cr), % | 0.1 to 0.35 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 1.0 to 1.4 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.35 |
| Silicon (Si), % | 0 to 0.35 | |
| 5.5 to 6.5 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.25 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 0.080 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |