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
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.
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Chemical Property of 2A16 |
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|
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. |
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Technical indexes of common 2A16 aluminum alloy |
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|
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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