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Table 1 Applications of Al–Li alloy extrusion profiles and the replaced aluminum alloys [1,2,3, 5, 10, 17,18,19]

From: Hot Extrusion Processing of Al–Li Alloy Profiles and Related Issues: A Review

Generation

Alloy grade—Temper

Substituting for

Application

Parts

Representative equipment

First

1420-T6

Soviet aircraft (MiG and SU series)

1421-

Second

8090-T8511

7075-T73511

EH101

8090-

 

Stringers

Mirage fighter

2090-T86

7075-T6

EH101, EF2000, Rafale

2090-

 

Fuselage frames, floor beams

MD-11, C17

2090-T86(T8E46)

2219-T87

Stiffened panel

Space Shuttle external tank (possible)

2091-

EH101 helicopter; A330/340

Third

 

Damage tolerant

2099-T81

2024-T3511

2026-T3511

2024-T4312

6110-T6511

Fuselage frames; Lower wing stringers

 

2076-T8511

Fuselage floor beams; Seat rails, frames, stringers; Upper/Lower wing stringers

A380

Medium/high strength

2099-T83/T8E67

7075-T73511

7075-T79511

7050-T7451

7150-T6511

7175-T79511

7055-T77511

7055-T79511

Fuselage floor beams, seat rails, stringers; Upper wing stringers

A380, C919

2099-T8511

2196-T8511

Fuselage floor beams, seat rails, stringers

A380, C919

2055-T8E83

Fuselage floor beams, seat rails; Upper wing stringers

A380

2065-T8511

Lower wing stringers

A380, Ares I

2195-T8, 2096-T8

2219-T87

Stiffened panel

Space Shuttle external tank (possible)

Fourth

X2A66

2024

Integral panel extrusion

-