7055 Aircraft Aerospace Grade Aluminum Plate Sheet

7055 aircraft aerospace grade aluminum plate sheet is an outstanding representative of the new high-strength aluminum alloy, 7055 aircraft aerospace grade aluminum plate sheet is a new type of aluminum alloy developed by increasing the content of Zn and Cu on the basis of 7050 aluminum alloy, and reducing the content of Fe and Si impurities. 7055 aviation aluminum alloy sheet has the characteristics of low density, high strength, good processing performance, good welding performance and good stress corrosion resistance. It is widely used in aerospace and other fields. The research results show that 7055 aerospace aluminum alloy sheet has higher strength, stronger fracture toughness and wider application prospects than 7050 aluminum alloy.

Application of 7055 aviation grade aluminum plate

Application of 7055 aviation grade aluminum plate

Chemical Composition of 7055

Alloy

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Zr

        Others

Al

Each

Total

7055

0.10

0.15

2.0~2.6

0.05

1.8~2.3

0.04

~

7.6~8.4

0.06

0.05~0.25

0.05

0.15

Remainder

Physical Properties of 7050 Alloy

Alloy

Type

Temper

Size/mm

Direction

σb/MPa

σp 0.2/MPa

A

B

A

B

7055

Aluminum sheet

T7751

δ12.7~38.1

L

614.1

627.9

593.4

607.2

LT

614.1

627.9

586.5

600.3

δ12.7~76.2

L

586.5

600.3

538.2

552.0

LT

552.0

565.8

510.6

524.4

Alloy

Temper

Aircraft models

Application parts and typical parts

7055

Aluminum sheet:  T7751

F-35,B777,ARJ21

All kinds of components, such as the upper wing structure, horizontal fin, joist beam, seat guide rail and freight slide, are required for high compressive strength and good corrosion resistance.

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