5 Series Aircraft Aerospace Aluminum Alloy

5 * * * * system alloy is an aluminum alloy with magnesium as the main alloying element, and belongs to the non heat-treated reinforced aluminum alloy. The alloy has the advantages of small alloy density, high strength ratio of 1 * x x and 3 * x * alloy, high strength aluminum alloy, good fatigue and weldability, good corrosion resistance to marine atmosphere. In order to avoid the stress corrosion produced by high magnesium alloy, the final cold worked products should be stabilized, or the final cold working volume should be controlled, and the temperature should not exceed 65 ℃. the alloy is mainly used for manufacturing welded structures. In the aerospace industry, there are 5A02, 5A03, 5A05, 5B05, 5A06 and so on.

5 Series Aircraft Aerospace Aluminum Alloy

5 Series Aircraft Aerospace Aluminum Alloy

Chemical Composition of 5 series Aerospace Aluminum Alloy

Alloy

Si

Fe

Cu

Mn

Mg

Zn

Ti

Others

Al

Each

Total

5A02

0.4

0.4

0.1

0.15~0.40

2.0~2.8

0.6(Si+Fe)

0.15

0.05

0.15

Remainder

5A03

0.50~0.8

0.5

0.1

0.30~0.6

3.2~3.8

0.2

0.15

0.05

0.15

Remainder

5A05

0.5

0.5

0.1

0.30~0.6

4.8~5.5

0.05

0.15

Remainder

5B05

0.4

0.4

0.2

0.20~0.6

4.7~5.7

0.6(Si+Fe)

0.15

0.05

0.15

Remainder

5A06

0.4

0.4

0.4

0.50~0.8

5.8~6.8

0.2

0.0001~0.005

0.02~0.10

0.05

0.15

Remainder

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