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2A50 Aircraft aerospace aluminum bar profile forgings

2A50 Aircraft aerospace aluminum bar profile forgings

aircraft grade aluminum bar

aircraft grade aluminium round bar

aerospace aluminum forging

aircraft aluminum extrusion suppliers

aircraft grade aluminum bar

aircraft grade aluminium round bar

aerospace aluminum forging

aircraft aluminum extrusion suppliers

aircraft grade aluminum bar

aircraft grade aluminium round bar

aerospace aluminum forging

aircraft aluminum extrusion suppliers

aircraft grade aluminum bar

aircraft grade aluminium round bar
 
Chemical Property of 2A50
Alloy Si Fe Cu Mn Mg Cr Ni Zn Ti Zr Others Al
Each Total
2A50 0.7~1.2 0.70 1.8~2.6 0.4~0.8 0.4~0.8 0.10 0.30 0.15 0.10~0.25 0.05 0.15 Remainder

Alloy Alloy series Main features
2A50 Al-Cu-Mn Heat-treated reinforced alloy, Al-Cu-Mg alloy. It has good plasticity in thermal state and high strength and plasticity in T6 state. It is widely applied to various large, medium and small forgings, such as aircraft frame, joint, bracket, rocker arm and so on, which are used for forging medium aviation industry. The electric arc welding and gas welding alloy contact welding performance is poor, the performance is acceptable, excellent performance of friction stir welding.

Demarcation mechanical properties of 2A50 alloy bar
Technical standard Type Temper d/mm Rm /Mpa A/%
Not less than
GB/T 3191 Extruded aluminum bar T6,T62 ≤150 355 12
GJB 2054 Extruded aluminum bar T6 5~150 350 12
>150 350 8
HB 5202 Extruded aluminum bar T6 ≤22 365 12
>23 375 10
161~240 365 8
GB/T 3191 High strength aluminum bar T6, T62 20~120 380 10
GJB 2054 T6 20~150 380 10

Demarcation mechanical properties of 2A50 alloy free forgings and die forgings
Standard Type Temper L LT ST HBS
Rm/Mpa Rp0.2/Mpa A5/% Rm/Mpa Rp0.2/Mpa A5/% Rm/Mpa A5/%
GJB 2351 Free forgings T6 365 8.0 345 6.0 335 4.0 95
Die forgings T6 380 275 10.0 365 245 1.0 345 5.0 100
HB 5204 Free forgings T6 365 9.0 345 6.0 335 4.0 95
Die forgings T6 380 275 11.0 365 245 7.0 345 5.0 100

2A50 T6 Mechanical properties of alloy 110mm forgings after stabilizing treatment
Stabilizing Condition Tension strength Rm/Mpa Elongation A5/%
Temperature/℃ Time t/h
20 0.5 275 15
100 221 18
200 0.5 177 16
100 98 35
250 0.5 177 16
100 98 35
300 0.5 103 23
100 64 45

 
 Fracture toughness of alloy 2A50 T6
Type d/mm Test Direction KIC/(N.mm-2)/
Free forgings   LT 39~42
TL 36~39
SL 31~34
Aluminum round bar ≤140 RL 31
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