2618A Aircraft Aerospace Grade Aluminum Plate Sheet

The formability of 2618A aircraft aerospace grade aluminum plate sheet in the state, annealing and newly quenched state is relatively good, the heat treatment strengthening effect is significant, but the heat treatment process requirements are strict. The corrosion resistance is poor, but it can be effectively protected by covering with pure aluminum; it is easy to produce cracks during welding, but it can be welded or riveted by special technology.

2618A aircraft aerospace grade aluminum plate sheet

2618A aircraft aerospace grade aluminum plate sheet

Technical indexes of common 2618A aluminum alloy

Alloy

Type

Temper

δ  or d/mm

σb/MPa

σp 0.2/MPa

δ/%

KIC or KC/MPa

Technical standard

2618A

Aluminum sheet

T851

8~40

430

385

5

Z9-0411--1992

>40~60

420

385

5

>60~80

420

380

5

>80~90

410

370

4

2618A Welding property

 

Alloy

Resistance welding

Melting welding

Argon arc welding

Note

 

2618A

The welding performance is unstable at a specific temperature, but the resistance welding is better.

 

Alloy

Temper

Aircraft types

Application parts and typical parts

2618A

2618A aircraft aerospace grade aluminum plate sheet: T851

Concorde,Z9

Aircraft wing skin

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