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 | - |