2A16 Aircraft Aerospace Grade Aluminum Plate Sheet

2A16 Aircraft aerospace grade aluminum plate sheet is mainly used for parts that work at 250-350°C, such as the blades of the bearing to the compressor, discs, and plates, which are used as welding parts that work at room temperature and high temperature, such as containers, airtight warehouses, etc.

2A16 Aircraft Aerospace Grade Aluminum plate sheet

2A16 Aircraft Aerospace Grade Aluminum plate sheet

The characteristics of 2A16 Aircraft aerospace grade aluminum plate sheet

  • 1.The strength is not too high at normal temperature, but it has higher creep strength at high temperature.
  • 2.The alloy has strength and plasticity in hot state, which can be processed and strengthened; spot welding, rolling The welding performance is good, the tendency to form cracks is not obvious, the air tightness of the weld is good, the corrosion stability of the weld is low, and the machinability is good.

Chemical Property of 2A16

Alloy

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Zr

Others

Al

Each

Total

2A16

0.30

0.30

6.0~7.0

0.4~0.8

0.05

0.10

0.10~0.20

0.20

0.05

0.15

Remainder

Alloy

Alloy Series

Main features

2A16

Al-Cu-Mn

2A16 Alloy is a heat treated Al-Cu-Mn system heat resistant aluminum alloy, and it is a kind of cryogenic alloy, which can be used at very cold temperature. It has high endurance strength at 250~350 C, which can be used for a long time in this temperature range. Its room temperature strength is lower than that of 2A12 alloy. The alloy has good weldability, and can be used for electric welding, roll welding and argon arc welding. The friction stir welding has excellent performance. After solid solution treatment, the natural failure rate of the alloy is slow, the incubation period is long and the application under artificial aging is one of the most deformation aluminum alloys used in the spacecraft.

Technical indexes of common 2A16 aluminum alloy

Alloy

Type

Temper

δ or d/mm

σb/MPa

σp 0.2/MPa

δ/%

KIC or KC/MPa

Technical Standard

2A16

Aluminum sheet

O

0.3~10.0

≤235

15

YS/T 212

T4

275

12

T6

     375

275

8

T62

375

265

8

O

1.0~4.0

≤235

15

    GJB 2053

T4

275

12

T6

     375

275

8

T62

375

265

8

2A16

Large size aluminum sheet

O

0.5~10.0

≤235

15

YS/T 214

T4

275

12

T6

375

275

8

T62

375

265

8

Aluminum plate

T6

11~18

375

275

8

    GB 3193

T4

275

12

O

4~6

≤235

15

    GJB 2662

T4

275

12

     T6

370

275

8

T5

>10~40

370

275

8

T62

5~10

370

265

8

Aluminum round bar

T6

All thickness

355

235

8

T62

≤150

355

235

8

T6

5~150

350

235

8

T6

≤240

355

235

8

Aluminum profile

T6

  All thickness

345

235

8

Alloy

  Type

Temper

Longitudinal direction

Portrait direction

HBS

Technical Standard

σb/MPa

σp 0.2/MPa

δ/%

σb/MPa

σp 0.2/MPa

δ/%

2A16

Die forgings

T6

375

255

8

375

255

8

100

GJB 2351

Forgings

355

235

8

355

235

8

100

Die forgings

T6

375

255

8

375

255

8

100

HB 5204

Forgings

355

235

8

355

235

8

100

Alloy

Temper

Aircraft Type

Application parts and typical parts

2A16

Aluminum sheet: O、T4、T6、T62

Aluminum plate:  O、T4、T6、T62

Aluminum round bar、Aluminum profile: T6、T62

Aluminum forgings: T6

MIG, B737-300,A320,Y8,ARJ21,JH7,J10

Rocket fuel tank, engine blade, airtight cockpit, head hood, airfoil whole mailbox, body interior structure, etc.

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