7475 Aluminum vs. ASTM B817 Type I
7475 aluminum belongs to the aluminum alloys classification, while ASTM B817 type I belongs to the titanium alloys. 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 7475 aluminum and the bottom bar is ASTM B817 type I.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 100 |
| Elongation at Break, % | 10 to 12 | |
| 4.0 to 13 |
| Fatigue Strength, MPa | 190 to 210 | |
| 360 to 520 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 590 | |
| 770 to 960 |
| Tensile Strength: Yield (Proof), MPa | 440 to 520 | |
| 700 to 860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 340 |
| Melting Completion (Liquidus), °C | 640 | |
| 1600 |
| Melting Onset (Solidus), °C | 480 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 560 |
| Thermal Conductivity, W/m-K | 140 to 160 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 42 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 to 120 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 36 |
| Density, g/cm3 | 3.0 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 38 |
| Embodied Energy, MJ/kg | 150 | |
| 610 |
| Embodied Water, L/kg | 1130 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 53 to 68 | |
| 30 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1390 to 1920 | |
| 2310 to 3540 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 35 |
| Strength to Weight: Axial, points | 49 to 55 | |
| 48 to 60 |
| Strength to Weight: Bending, points | 48 to 52 | |
| 42 to 49 |
| Thermal Diffusivity, mm2/s | 53 to 63 | |
| 2.9 |
| Thermal Shock Resistance, points | 23 to 26 | |
| 54 to 68 |
Alloy Composition
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| Aluminum (Al), % | 88.6 to 91.6 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0.18 to 0.25 | |
| 0 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.12 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.060 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.060 | |
| 87 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 5.1 to 6.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |