Corrosion Resistance AA2014 Aluminum Plate For Aircraft Wing Spars
2014 alloy is primarily used in aerospace/military applications where high strength is critical.
For commercial uses, modified 2XXX/7XXX alloys are often preferred due to better corrosion
resistance.
Key Advantages
♦ High Strength: A high-strength Al-Cu-Mg alloy, achieving >450 MPa tensile strength (in T6 temper),
ideal for load-bearing structures.
♦ Lightweight: Density (~2.8 g/cm³) reduces aircraft weight vs. steel.
♦ Heat Resistance: Retains strength at elevated temperatures (e.g., supersonic aircraft).
♦ Machinability: Suitable for forging/extrusion into complex spar geometries.
♦ Fatigue Resistance: Good cyclic load performance for long service life.
Typical Thicknesses
Plates: 10–50 mm (primary load-bearing spars).
Thin Sheets: 2–10 mm (secondary structures).
Common Tempers
T6: Solution heat-treated + artificially aged. Maximizes strength (tensile: ≥450 MPa).
T4: Solution-treated + naturally aged. Balanced strength/formability.
O: Annealed (softened) for cold forming, requires post-forming heat treatment.
| Property | 2014 | 2024 (More Common) | 7075 |
| Strength | High | Medium-High | Very High |
| Corrosion | Poor (Alclad) | Moderate (Alclad) | Poor (Coated) |
| Cost | Moderate | Moderate | High |
| Typical Use | Secondary | Primary Skin | High-Stress |
our company advantages
1) Full sets of imported vertical intelligent storage and logistic management system, and finishing
lines which fulfill all the requirements on various kinds of Aluminium plate,sheet and strip products.
2) We have has built up on the basis of outstanding management and complete quality control system
under its rich experiences and has got many kinds of quality management certificates such as ISO90
-01:2015, ISO14001:2015,ISO45001:2018,IATF16949:2016,AS9100D,ISO/TS22163:2017, and has
passed ABS,CCS, DNVGL,LR,NK,KR etc.proof from National Classification Society.
3) We take social responsibility and regards environment protection as main task for long-term develop
-ment. It is featured with pulse-type bag dedust system from NEDERMAN Germany,which emission
index of main exhaust stuff and particles are lower than national criteria.
Our factory own the world advanced equipments, include:
| Code | Name | Brand |
| a | aluminum ignot melting furnace | GAUTSCHI (Switzerland) |
| b | 2800mm width single stand cold rolling mill | SMS Group (Germany) |
| c | 4 continuous hot rolling mills | SMS Group (Germany) |
| d | heavy crop and dividing shear | SMS Group (Germany) |
| e | coil material annealing furnace | SMS Group (Germany) |
| f | all automatic three-dimensional elevated warehouse | Dematic (USA) |
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