Excellent weight-to-strength ration 7075 t651 aluminum plate fo aircraft fittings missile part regulating valve parts
The 7075 aluminum plate is a very strong grade of metal. It is well-known for its toughness, which is why it’s frequently used in aerospace and aviation applications. It has excellent weight-to-strength ration, making it ideal for highly stressed parts. When in the annealed condition, forming can be performed, which should be followed by heat treatment. 7075 aluminum is considered to be strong for aluminum. While forming this alloy, it has greater springback. If forming this metal while in the annealed condition becomes difficult, it can be placed in heat between 200 and 250 degrees F to soften it. To make this alloy have high-strength capabilities, heat treating can be used. It also has excellent properties when in low temperatures. The conductivity to electricity of this metal is 36 percent of copper.
The strength measurements of this metal are as follows: 83,000 psi tensile strength, 48,000 psi shear strength and 73,000 psi shear strength. Due to this metal’s excellent ratio for weight-to-strength, it can be used in applications involving structural parts that are highly stressed. High stress applications that frequently use this grade of aluminum include aircraft fittings, missile parts, regulating valve parts, meter gears, fuse parts, worm gears and keys. It’s a popular choice for use in applications in commercial aircraft components and aerospace and defense equipment. The plastics industry also uses this alloy as a mold material.
The weldability of this metal is low, but the formability is great. When forging is used, it’s required that the alloy be placed in temperatures between 700 and 900 degrees F. Afterwards, solution heat treatment should be used.
Chemical Composition
The following table shows the chemical composition of the aluminum 7075 alloy.
| Element | Content (%) |
| Aluminum, Al | 90 |
| Zinc, Zn | 5.6 |
| Magnesium, Mg | 2.5 |
| Copper, Cu | 1.6 |
| Chromium, Cr | 0.23 |
Physical Properties
The physical properties of aluminum 7075 alloy are tabulated below.
| Properties | Metric | Imperial |
| Density | 2.8 g/cm3 | 0.101 lb/in3 |
| Melting point | 483°C | 900°F |
Mechanical Properties
The mechanical properties of aluminum 7075 alloy are outlined in the following table.
| Properties | Metric | Imperial |
| Tensile strength | 220 MPa | 31909 psi |
| Yield strength | 95 MPa | 13779 psi |
| Shear strength | 150 MPa | 21756 psi |
| Fatigue strength | 160 MPa | 23206 psi |
| Elastic modulus | 70-80 GPa | 10153-11603 ksi |
| Poisson's ratio | 0.33 | 0.33 |
| Elongation at break | 17% | 17% |
| Hardness | 60 | 60 |
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Aircraft Fittings 7075 T651 Aluminum Plate High Weight - To - Strength Ration Images
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