7175 Aluminum vs. ASTM B522 Class I
7175 aluminum belongs to the aluminum alloys classification, while ASTM B522 class I belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 7175 aluminum and the bottom bar is ASTM B522 class I.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 96 |
| Elongation at Break, % | 3.8 to 5.9 | |
| 1.1 to 29 |
| Poisson's Ratio | 0.32 | |
| 0.41 |
| Shear Modulus, GPa | 26 | |
| 34 |
| Shear Strength, MPa | 290 to 330 | |
| 180 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 570 | |
| 280 to 490 |
| Tensile Strength: Yield (Proof), MPa | 430 to 490 | |
| 120 to 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 77 |
| Melting Completion (Liquidus), °C | 640 | |
| 1030 |
| Melting Onset (Solidus), °C | 480 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 160 |
| Thermal Expansion, µm/m-K | 23 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 5.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 | |
| 17 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 29 | |
| 4.5 to 64 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1310 to 1730 | |
| 75 to 230 |
| Stiffness to Weight: Axial, points | 13 | |
| 3.1 |
| Stiffness to Weight: Bending, points | 46 | |
| 8.9 |
| Strength to Weight: Axial, points | 48 to 52 | |
| 4.4 to 7.8 |
| Strength to Weight: Bending, points | 48 to 51 | |
| 5.5 to 8.0 |
| Thermal Shock Resistance, points | 23 to 25 | |
| 13 to 24 |
Alloy Composition
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| Aluminum (Al), % | 88 to 91.4 | |
| 0 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 0 |
| Gold (Au), % | 0 | |
| 68 to 70 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 5.0 to 7.0 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 |
| Silver (Ag), % | 0 | |
| 23.5 to 26.5 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.35 |