355.0 Aluminum vs. 7175 Aluminum
Both 355.0 aluminum and 7175 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. 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 355.0 aluminum and the bottom bar is 7175 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 1.5 to 2.6 | |
| 3.8 to 5.9 |
| Fatigue Strength, MPa | 55 to 70 | |
| 150 to 180 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 150 to 240 | |
| 290 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 260 | |
| 520 to 570 |
| Tensile Strength: Yield (Proof), MPa | 150 to 190 | |
| 430 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 560 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 870 |
| Thermal Conductivity, W/m-K | 150 to 170 | |
| 140 |
| Thermal Expansion, µm/m-K | 22 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 to 43 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 to 140 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.7 to 5.9 | |
| 18 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 250 | |
| 1310 to 1730 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 46 |
| Strength to Weight: Axial, points | 20 to 27 | |
| 48 to 52 |
| Strength to Weight: Bending, points | 28 to 33 | |
| 48 to 51 |
| Thermal Diffusivity, mm2/s | 60 to 69 | |
| 53 |
| Thermal Shock Resistance, points | 9.1 to 12 | |
| 23 to 25 |
Alloy Composition
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| Aluminum (Al), % | 90.3 to 94.1 | |
| 88 to 91.4 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 1.2 to 2.0 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 2.1 to 2.9 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.1 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.35 | |
| 5.1 to 6.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |