356.0 Aluminum vs. 7178 Aluminum
Both 356.0 aluminum and 7178 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is 356.0 aluminum and the bottom bar is 7178 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 2.0 to 3.8 | |
| 4.5 to 12 |
| Fatigue Strength, MPa | 55 to 75 | |
| 120 to 210 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 140 to 190 | |
| 140 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 240 | |
| 240 to 640 |
| Tensile Strength: Yield (Proof), MPa | 100 to 190 | |
| 120 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 620 | |
| 630 |
| Melting Onset (Solidus), °C | 570 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 860 |
| Thermal Conductivity, W/m-K | 150 to 170 | |
| 130 |
| Thermal Expansion, µm/m-K | 21 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 to 43 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 to 150 | |
| 91 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.6 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.2 to 8.2 | |
| 24 to 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 70 to 250 | |
| 110 to 2220 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 53 | |
| 45 |
| Strength to Weight: Axial, points | 17 to 26 | |
| 21 to 58 |
| Strength to Weight: Bending, points | 25 to 33 | |
| 28 to 54 |
| Thermal Diffusivity, mm2/s | 64 to 71 | |
| 47 |
| Thermal Shock Resistance, points | 7.6 to 11 | |
| 10 to 28 |
Alloy Composition
| Aluminum (Al), % | 90.1 to 93.3 | |
| 85.4 to 89.5 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 0 to 0.25 | |
| 1.6 to 2.4 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.2 to 0.45 | |
| 2.4 to 3.1 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.3 |
| Silicon (Si), % | 6.5 to 7.5 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.35 | |
| 6.3 to 7.3 |
| Residuals, % | 0 | |
| 0 to 0.15 |