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2A10 Aircraft aerospace aluminum alloy wire rod

2A10 Aircraft aerospace aluminum alloy wire rod


2A11 aircraft aluminum forgings

aerospace grade aluminum

aircraft aluminum extrusion profiles

2A11 aircraft aluminum extrusion profiles

aircraft aluminum extrusion profiles

aircraft aluminum extrusion profiles

2A11 aerospace grade aluminum sheets

aerospace aluminum plate

aerospace grade aluminum sheets

aerospace aluminum plate

aircraft aluminum extrusion profiles

aerospace grade aluminum
 
  Chemical Compostion of 2A11 Aircraft Aerospace Aluminum Alloy sheet profile forgings
Alloy Si Fe Cu Mn Mg Cr Ni Zn Ti Zr         Others Al
Each Total
2A11 0.70 0.70 3.8~4.8 0.4~0.8 0.4~0.8 ~ 0.10 0.30 0.15 ~ 0.05 0.15 Remainder

Alloy Alloy Series Main Features Σb Values/MPa Temperature /℃
2A11 Al-Cu-Mg The 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
Alloy Type Temper δ or d/mm σb/MPa σp 0.2/MPa δ/% KIC or KC/MPa Standard
2A11 Clad aluminum sheet O 0.5~2.9 ≤225   12 GB/T 3880
>2.9 ≤235   12
T42 0.5~2.9 ≥350 ≥185 15
>2.9 ≥355 ≥195
T3 0.5~1.6 ≥375 ≥215 15
>1.6 17
>2.9 15
T4 0.5~2.9 ≥360 ≥185  
>2.9 ≥370 ≥195
T42 >4.5 ≥355 ≥195 15
>10.0 ≥370 ≥215 11
T42 >12.5 ≥370 ≥215 11
>25.0 ≥330 ≥195 8
>40.0 ≥310 ≥195 6
F >70.0 ≥285 ≥195 4
2A11 Aluminum sheet O 0.5~2.5 ≤225 12 GJB 2053
>2.5 ≤235 12
T4 0.5~2.5 ≥365 ≥185 15
>2.5 ≥375 ≥195 15  
2A11 Aluminum plate O 7~10 ≤235 12 GJB 2662
T4 7~10 ≥370 ≥196 5
T4 7~10 ≥355 ≥186 12
>10 ≥370 ≥215 11
>25 ≥335 ≥196 8
>40 ≥315 ≥196 6
>70 ≥285 ≥196 4
2A11 Aluminum pipe O All ≤245 10 GB/T 4437
T4 ≤120 ≥355 ≥195 12
>120 ≥375 ≥215 10  
2A11 Extruded pipe(wall thickness 5-35mm) O 25~250 ≤245   10   GJB 2381
T4 25~120 ≥350 ≥196 12  
120~250 ≥370 ≥215 10  
2A11 Extruded round bar T4 ≤160 ≥375 ≥215 12   GB/T 3191
>160 ≥355 ≥195 10  
2A11 Extruded round bar T4 5~150 ≥375 ≥215 12    
>150 ≥340 ≥200 8  
Extruded round bar T4 ≤30 ≥375 ≥215 12   HB 5202
31~165 ≥390 ≥235 10  
161~240 ≥375 ≥215 10  
2A11 High Strength Extruded round ba T4 23~240 ≥420 ≥275 9   HB 5202
2A11 Extruded aluminum profile O All ≤245   9   GJB 2507
T4 ≤10.0 ≥355 ≥215 12  
>10.0 ≥375 ≥225 12  
>20.0 ≥400 ≥245 12  

2A11 Mechanical properties of alloy cold drawn pipes
Alloy Type Temper Pipe Size /mm σb/MPa σp 0.2/MPa δ/% Technical Standard
OD d Wall thickness δ
 
2A11
Cold drawn Pipes F 所有尺寸 ≤245 10 GJB 2379-1995
T4 <22 ≤1 ≥375 ≥195 13
1.5~2.0 14
22~50 ≤1 ≥390 ≥225 12
1.5~5.0 13
>50 ≤5.0 ≥390 ≥225 11
Pipes ≥390 ≥225 12

2A11 T4 Mechanical properties of aluminum alloy forgings and die forgings
Alloy Type L LT ST HBS Technical Standard
σb/MPa σp 0.2/MPa δ/% σb/MPa σp 0.2/MPa δ/% σb/MPa δ/%
2A11 Free forgings 355 10 335 5 315 4 95 GJB 2351
355 10 335 5 315 4 95
375 11 335 5 315 4 95 HB 5204
Die Forgings 375 195 12 355 175 6 325 5 95 GJB 2351
375 196 12 355 177 6 325 5 95
390 205 13 355 175 6 325 5 95 HB 5204
Blade die forgings 355 13 95 GJB 2380

2024 Wedding Property
Alloy Resistance welding Melting welding Argon arc welding Note
2A11 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 Application model Application parts and typical parts
2A11 Sheet: O、T3、T4、T42、F          Plate: O、T4
Cold drawn tube:O、T3                           Extruded tube,profile:O、T4
Tube:F、T4                     Forgings: T4
Y8 Front of the fuselage
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