7178-T6 Aluminum vs. EN AC-21100-T6
Both 7178-T6 aluminum and EN AC-21100-T6 are aluminum alloys. Both are furnished in the T6 temper. They have 90% of their average alloy composition in common. There are 29 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 7178-T6 aluminum and the bottom bar is EN AC-21100-T6.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 8.5 | |
| 6.2 |
| Fatigue Strength, MPa | 210 | |
| 87 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 640 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 550 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 670 |
| Melting Onset (Solidus), °C | 480 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 31 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 91 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 11 |
| Density, g/cm3 | 3.1 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 52 | |
| 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2180 | |
| 400 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 46 |
| Strength to Weight: Axial, points | 57 | |
| 33 |
| Strength to Weight: Bending, points | 53 | |
| 37 |
| Thermal Diffusivity, mm2/s | 47 | |
| 48 |
| Thermal Shock Resistance, points | 28 | |
| 15 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 85.4 to 89.5 | |
| 93.4 to 95.7 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.6 to 2.4 | |
| 4.2 to 5.2 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.19 |
| Magnesium (Mg), % | 2.4 to 3.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 0.55 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.18 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 6.3 to 7.3 | |
| 0 to 0.070 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.1 |