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2A12 Aircraft aerospace aluminum plate sheet profile

2A12 Aircraft aerospace aluminum plate sheet profile

aircraft aluminum plate

aerospace grade aluminum sheets

aircraft aluminum plate

aerospace grade aluminum sheets

aircraft aluminum extrusion profiles

aircraft grade aluminum sheet metal

aircraft aluminum extrusion profiles

aircraft grade aluminum sheet metal

aircraft aluminum extrusion profiles

aircraft grade aluminum sheet metal

aircraft aluminum extrusion profiles

aerospace grade aluminum sheets

aircraft aluminum plate
 
                                                          Chemical property of 2A12
Alloy Si Fe Cu Mn Mg Cr Ni Zn Ti Zr         Others Al
Each Total
2A12 0.50-1.2         0.70 3.9~5.0 0.4~1.2 0.2~0..8 0.10 ~ 0.25 0.15 ~ 0.05 0.15 Remainder
 
Alloy Alloy series Main features Σb Value/MPa Temperature/℃
2A12 Al-Cu-Mg The heat-treated reinforced alloy has good plastic forming ability and machinability, and it can produce all kinds of semi-finished products. The corrosion resistance is poor, the welding performance is good, and the welding performance is poor.  
345~440
 
<150

         Technical indexes of common 2A14 aluminum alloy
Alloy Type Temper δor d/mm σb/MPa σp 0.2/MPa δ/% KIC or KC/MPa Technical Standard
2A12 Clad aluminum sheet T4 0.3~6.5 405~425 270~275 13 GJB2053--1994
T62 0.5~4.0 390 305 6
Aluminum plate T4 > 10~25 420 275 7 GJB 2662--1996
> 25~40 390 255 5  
T351 > 12~25 435 290 7 GJB 1741--1993
> 25~40 425 290 6  
Extruded aluminum profile T6 > 20~40 440 315 10 GB/T 2507--1995

2A14 welding property
Alloy Resistance welding Melting welding Argon arc welding Note
2A12 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 Model Application parts and typical parts
2A12 Aluminum sheet: T4、T62
Aluminum plate: T4、T351
Extruded aluminum profile: T6
Y8, Y12,J6,J7,J8 The central wing and aileron wing, connectors, wing stringers, fork, pins, washers, curved skin, central wing strip, a base plate and a cover plate
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