7020-T62 Aluminum vs. 7178-T62 Aluminum
Both 7020-T62 aluminum and 7178-T62 aluminum are aluminum alloys. Both are furnished in the T62 temper. They have a moderately high 94% of their average alloy composition in common. There are 30 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-T62 aluminum and the bottom bar is 7178-T62 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 8.4 | |
| 7.7 |
| Fatigue Strength, MPa | 120 | |
| 210 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 220 | |
| 380 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 640 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 180 |
| Melting Completion (Liquidus), °C | 650 | |
| 630 |
| Melting Onset (Solidus), °C | 610 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 860 |
| Thermal Conductivity, W/m-K | 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 91 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.9 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 | |
| 47 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 680 | |
| 2220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 45 |
| Strength to Weight: Axial, points | 36 | |
| 58 |
| Strength to Weight: Bending, points | 40 | |
| 54 |
| Thermal Diffusivity, mm2/s | 59 | |
| 47 |
| Thermal Shock Resistance, points | 17 | |
| 28 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 91.2 to 94.8 | |
| 85.4 to 89.5 |
| Chromium (Cr), % | 0.1 to 0.35 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 0 to 0.2 | |
| 1.6 to 2.4 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 1.0 to 1.4 | |
| 2.4 to 3.1 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.2 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 6.3 to 7.3 |
| Zirconium (Zr), % | 0.080 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |