2124 Aircraft Aerospace Grade Aluminum Plate Sheet

2124 aircraft aerospace grade aluminum plate sheet has high strength and good cutting performance, but poor corrosion resistance; high strength, a certain degree of heat resistance, can be used as working parts below 150°C; At 125°C, the strength of 2124 alloy is higher than that of 7075 alloy; it has poor corrosion resistance, but it can be effectively protected by coating with pure aluminum; it is easy to crack during welding, but it can be welded or riveted by special processes.

2124 aircraft aerospace grade aluminum plate sheet

2124 aircraft aerospace grade aluminum plate sheet

2124 aircraft aerospace grade aluminum plate sheet is widely used in aircraft structures (skins, skeletons, ribs, bulkheads, etc.), rivets, missile components, truck hubs, propeller components and various other structural parts.

2124 Alloy

Alloy

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Zr

        Others

Al

Each

Total

2124

0.20

0.30

3.8~4.9

0.3~0.9

1.2~1.8

0.10

~

0.25

0.15

~

0.05

0.15

Remainder

Alloy

Alloy series

Main features

Σb Value/MPa

Working Temperature /℃

2124

Al-Cu-Mg

The 2124 alloy with high purity only provides T851 thick plate with high short lateral elongation, improved fracture toughness and high stress corrosion resistance.

435~455

<175

Technical indexes of 2024 aluminum alloy

Alloy

Type

Temper

δ  or d/mm

σb/MPa

σp 0.2/MPa

δ/%

KIC or KC/MPa

Technical Standard

2124

Aluminum plate

T851

25~45

455

393

5

L-T:26.4

T-L:22.0

S-T:19.8

Q/6S 789--1990

25~60

L: 448

LT:448

ST:441

L: 393

LT:393

ST:379

L: 6

LT:5

ST:1.5

JT-CL--62

>60~76

L: 448

LT:448

ST:435

L: 393

LT:393

ST:379

L: 6

LT:4

ST:1.5

JT--CL--63

>76~102

L: 448

LT:448

ST:427

L: 386

LT:386

ST:372

L: 5

LT:4

ST:1.5

>102~127

L: 441

LT:441

ST:420

L: 379

LT:379

ST:365

L: 5

LT:4

ST:1.5

>127~155

L: 434

LT:434

ST:400

L: 372

LT:372

ST:351

L: 5

LT:4

ST:1.5

2124

Aluminum plate

T851

25.4~38.2

455

393

6

AMS 4101C-2001, AMS-QQ-A-250/29

2124Welding Property

Alloy

Resistance welding

Melting welding

Argon arc welding

Note

2124

Good

Worse

Worse

For gas welding and argon arc welding of aluminum alloy as solder, tend to form crystalline cracks; 4A01 alloy solder, forming cracks tend to be significantly reduced, but the strength of welded joint is greatly reduced, such as heat treatment after welding, the joint strength is close to the substrate, but the ductility decreases.

Alloy

Temper

Aircraft type

Application parts and typical parts

2124

Aluminum plate: O、T351、T361、T851、T861

F-15,F-16, Y8, J10etc.

Strengthen the frame, joint, beam and so on.

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