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2A02 Aircraft aerospace aluminum bar forgings

2A02 Aircraft aerospace aluminum bar forgings

2A02 Aircraft Aerospace Aluminum Bar Forgings is a kind of alloy with high strength in hard aluminum. It is characterized by high strength at normal temperature and high thermal strength, which belongs to heat-resistant hard aluminum. The alloy has high plasticity during hot deformation. It has a tendency to form coarse grain ring in extruded semi-finished products, which can be strengthened by heat treatment and used in quenching and artificial aging. Compared with 2A70 and 2A80 heat-resistant forging aluminum, the corrosion stability is better, but it has the tendency of stress corrosion cracking, and the weldability is better than that of 2A70, and the machinability is good.

2A02 aerospace aluminum forging



aircraft grade aluminum bar

aircraft grade aluminium round bar

aerospace aluminum forging

2A02 aircraft aluminum forgings

aircraft grade aluminum bar

aircraft grade aluminium round bar

aerospace aluminum forging

Chemical Composition of 2A02 Aircraft Aerospace Aluminum Bar Forgings
Alloy Si Fe Cu Mn Mg Cr Ni Zn Ti Zr Other Al
Single Total
2A02 0.30 0.30 2.6~3.2 0.45~0.7 2.0~2.4 0.10 0.15 0.05 0.15 allowance

Alloy Alloy Series Main Features
2A02 Al-Cu-Mn The heat treatment strengthened alloy, Al-Cu-Mg system, has high strength and plasticity, high heat resistance and corrosion resistance in artificial aging. It is used to manufacture aero turbojet axial compressor blades and other parts at 200 --300℃.

Technical Standard Type D/mm Temper Direction Rm/Mpa Rp0.2/Mpa A/% HBS
Not less than
GB/T 3191 Extruded aluminum bar All Diameters T6 L 430 275 10
GJB 2054
HB 5202
Extruded aluminum bar ≤240 T6 L 430 275 10
GJB 2351
HB 5204
Forgings Follow the contract T6 L 390 255 10 100

Mechanical Properties of 2A02 T6 Alloy Extruded Strip (30 x 130mm) at Different Temperatures
Temperatures/℃ Rm/Mpa Rp0.01/Mpa Rp0.2/Mpa A10/% Z/%
20 491 274 325 13.0 21.2
100 471 247 288 15.6 22.8
150 428 268 296 16.1 28.7
200 374 228 274 16.1 33.4
250 236 128 168 16.9 66.6
300 171 94 112 21.5 75.9
350 108 25 59 27.6 85.6

Typical Mechanical Properties of 2A06 T6 Alloy Bar at Room Temperature
Specs d/mm Rm/Mpa Rp0.2/Mpa A10/%
Min. Max. Average Min. Max. Average Min. Max. Average
31 500 545 514.5 305 430 360.2 10 20 15.3
33 500 570 525.3 335 440 366.3 11 18 15.1
36 495 555 522.4 335 380 358.4 11 20 15.5


Typical Mechanical Properties of 2A02 T6 Alloy strip and Die Forgings at Room Temperature
Type Specs/mm Direction Rm/Mpa Rp02/Mpa A10/%
Extruded strip Shape 60×110 L 510 338 17.5
LT 436 294 17
ST 436 294 11.5
Forgings Compressor blade L 412~441 10
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