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7075
Aluminum 7075-O/T6/T651/T73/T7351 Product Guide
Applications | Specifications | Related Videos | Mechanical and Chemical Data | Tolerances
Overview
7075 is the other "aircraft grade" aluminum that is carried by OnlineMetals. Its principal alloying ingredients are zinc and copper, which make it one of the highest-strength aluminum alloys that are available. In fact, its typical strength in the T6 temper is higher than most mild steels. 7075 also has average-to-good ratings for machinability, corrosion resistance, and anodizing response. Like 2024, however, it is not considered to be weldable. It is typically used in aircraft, missiles, spacecraft, and other defense applications.
Common Trade Names
UNS A97075, ISO AlZn5.5MgCu, AA7075-T6, Al7075-T6, AA7075-T73, Al7075-T73
Other Resources
Safety Data Sheet | Weight Calculator | Mill Test Reports
Products
Hex Bar 7075 | Rectangle Bar 7075 | Round Bar 7075 | Square Bar 7075 | Sheet/Plate 7075 | Sample Pack 7075
Applications
- Aerospace
- Spacecraft
- Missiles
- Defense Applications
Aluminum 7075 Specifications
ASTM | AMS |
|---|---|
| B211 | QQ-A-225/9 |
| 4123F |
Related videos
| Physical Properties 7075 | |||||
| -O | -T6 | -T651 | -T73 | -T7351 | |
|---|---|---|---|---|---|
| Density | 0.1 lb/in3 | 0.1 lb/in3 | 0.1 lb/in3 | 0.1 lb/in3 | 0.1 lb/in3 |
| Ultimate Tensile Strength | max. 40 ksi(bare); max. 39 ksi(clad) | 83 ksi(bare); 76 ksi (clad) | 80 ksi | 72.2 ksi | 73.2 ksi |
| Yield Tensile Strength | max. 21 ksi | 73 ksi(bare); 67 ksi(clad) | 67 ksi | 63.1 ksi | 63.1 ksi |
| Fatigue Strength | 18 ksi | 23 ksi | 23 ksi | 20.8 ksi | 21.8 ksi |
| Shear Strength | 22 ksi | 48 ksi(bare); 46 ksi(clad) | 48 ksi | 42.5 ksi | 43.5 ksi |
| Shear Modulus | 3,900 ksi | 3,800 ksi | 3,800 ksi | 3,900 ksi | 3,900 ksi |
| Hardness Rockwell | Brinell | B17 | 60 | B87 | 150 | B87 | 150 | B82 | 135 | B82 | 135 |
| Elongation at Break Percentage | min. 10% | 11% | 8.2% | 7.1% | 7.5% |
| Modulus of Elasticity | 10,400 ksi | 10,400 ksi | 10,000 ksi | 10,400 ksi | 10,400 ksi |
| Poisson's Ratio | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
| Machinability Percentage | N/A | 70% | 70% | 70% | 70% |
| Melting Point | 890-1,180 °F | 890-1,180 °F | 890-1,180 °F | 890-1,180 °F | 890-1,180 °F |
| Specific Heat | 2.29 x 10^-1 BTU/lb-°F | 2.29 x 10^-1 BTU/lb-°F | 2.29 x 10^-1 BTU/lb-°F | 2.29 x 10^-1 BTU/lb-°F | 2.29 x 10^-1 BTU/lb-°F |
| Thermal Conductivity | 1,200 BTU-in/hr-ft^2-°F | 900 BTU-in/hr-ft^2-°F | 900 BTU-in/hr-ft^2-°F | 1,080 BTU-in/hr-ft^2-°F | 1,080 BTU-in/hr-ft^2-°F |
| Electrical Conductivity | 33% IACS | 33% IACS | 33% IACS | 33% IACS | 33% IACS |
|
Chemistry Information
|
|
Element |
Percentage |
| Al | 90 |
| Cr | 0.18 - 0.28 |
| Cu | 1.2 - 2 |
| Fe | 0.5 max |
| Mg | 2.1 - 2.9 |
| Mn | 0.3 max |
| Si | 0.4 max |
| Ti | 0.2 max |
| Zn | 5.1 - 6.1 |
| Zr+Ti | 0.25 max |
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