Aircraft Aerospace Extruded Aluminum Profiles for Aviation (2A11/ 2A12 /2A16/2A50/2A70/2014)

Aircraft Aerospace Extruded Aluminum Profiles for Aviation (2A11/2A12/2A16/2A50/2A70/2014)   Chemical Compostion of 2A11 Aircraft Aerospace Aluminum Alloy sheet profile forgingsAlloySiFeCuMnMgCrNiZnTiZr        OthersAlEachTotal2A110.700.703.8~4.80.4~0.80.4~0.8~0.100.300.15~0.050.15Rem

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Aircraft Aerospace Extruded Aluminum Profiles for Aviation (2A11/2A12/2A16/2A50/2A70/2014) 
  Chemical Compostion of 2A11 Aircraft Aerospace Aluminum Alloy sheet profile forgings
AlloySiFeCuMnMgCrNiZnTiZr        OthersAl
EachTotal
2A110.700.703.8~4.80.4~0.80.4~0.8~0.100.300.15~0.050.15Remainder
 
AlloyAlloy SeriesMain FeaturesΣb Values/MPaTemperature /ºC
2A11Al-Cu-MgThe alloy can be heat-treated with high strength and medium plasticity after solid solution heat treatment and natural aging. The welding performance of the alloy is better.285~400<150
 
Technical indexes of common 2A11 aluminum alloy
AlloyTypeTemperδ or d/mmσb/MPaσp 0.2/MPaδ/%KIC or KC/MPa Standard
2A11Clad aluminum sheetO0.5~2.9225 12~GB/T 3880
>2.9235 12
T420.5~2.935018515~
>2.9355195
T30.5~1.637521515~
>1.617
>2.915
T40.5~2.9360185 ~
>2.9370195
T42>4.535519515~
>10.037021511
T42>12.537021511~
>25.03301958
>40.03101956
F>70.02851954~
2A11Aluminum sheetO0.5~2.5≤225-12~GJB 2053
>2.5≤235-12~
T40.5~2.536518515~
>2.537519515 
2A11Aluminum plateO7~10235-12~GJB 2662
T47~103701965~
T47~10355≥18612~
>10≥370≥21511~
>25≥335≥1968~
>40≥315≥1966~
>70≥285≥1964~
2A11Aluminum pipeOAll245-10~GB/T 4437
T412035519512~
>12037521510 
2A11Extruded pipe(wall thickness 5-35mm)O25~250≤245 10 GJB 2381
T425~120≥350≥19612 
120~250≥370≥21510 
2A11Extruded round barT4160≥375≥21512 GB/T 3191
>160≥355≥19510 
2A11Extruded round barT45~15037521512  
>1503402008 
Extruded round barT430≥375≥21512 HB 5202
31~165≥390≥23510 
161~240≥375≥21510 
2A11High Strength Extruded round baT423~240≥420≥2759 HB 5202
2A11Extruded aluminum profileOAll245 9 GJB 2507
T410.035521512 
>10.0375≥22512 
>20.0400≥24512 
 
2A11 Mechanical properties of alloy cold drawn pipes
AlloyTypeTemperPipe Size /mmσb/MPaσp 0.2/MPaδ/%Technical Standard
OD dWall thickness δ

2A11
Cold drawn PipesFAll Sizes245-10GJB 2379-1995
T4<22137519513
1.5~2.014
22~501390≥22512
1.5~5.013
>505.039022511
Pipes39022512
 
2A11 T4 Mechanical properties of aluminum alloy forgings and die forgings
AlloyTypeLLTSTHBSTechnical Standard
σb/MPaσp 0.2/MPaδ/%σb/MPaσp 0.2/MPaδ/%σb/MPaδ/%
2A11Free forgings355-10335-5315495GJB 2351
355-10335-5315495
375-11335-5315495HB 5204
Die Forgings375195123551756325595GJB 2351
375196123551776325595
390205133551756325595HB 5204
Blade die forgings355-13-----95GJB 2380
 
2024 Wedding Property
AlloyResistance weldingMelting weldingArgon arc weldingNote
2A11GoodWorseWorseFor 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.
 
AlloyTemperApplication modelApplication parts and typical parts
2A11Sheet: O,T3,T4,T42,F         
Plate: O,T4

Cold drawn tube:O,T3                         
Extruded tube,profile:O,T4

Tube:F,T4                    
Forgings: T4
Y8Front of the fuselage

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