Jul 12 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Applications
Introduction
Aluminium / aluminum structures can be lighter than steel structures, thus it has been widely used in the aviation industry.
Aluminium / aluminum 7xxx alloys series are widely used in the aviation industry. Aluminium / aluminum 7055 alloy is a heat treatable wrought alloy. The following datasheet will provide more details about aluminium / aluminum 7055 alloy.
Chemical Composition
The following table shows the chemical composition of aluminium / aluminum 7055 alloy.
|
Element |
Content (%) |
|
Aluminum, Al |
85.9 - 88.5 |
|
Zinc, Zn |
7.6 - 8.4 |
|
Magnesium, Mg |
1.8 - 2.3 |
|
Copper, Cu |
2 - 2.6 |
|
Iron, Fe |
≤ 0.15 |
|
Zirconium, Zr |
0.080 - 0.25 |
|
Manganese, Mn |
≤ 0.050 |
|
Chromium, Cr |
≤ 0.040 |
|
Silicon, Si |
≤ 0.10 |
|
Titanium, Ti |
≤ 0.060 |
|
Other (each) |
≤ 0.050 |
|
Other (total) |
≤ 0.15 |
Physical Properties
The physical properties of aluminium / aluminum 7055 alloy are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
2.86 g/cm³ |
0.103 lb/in³ |
Applications
Aluminium / aluminum 7055 alloy is chiefly used in the aerospace sector and other high strength requirement areas.