AA 2050 Aluminum Alloy
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Famille: Aluminum Alloy
Copper Alloy (Al-Cu). AA designation 2050.
Overview
A third-generation aluminium–copper–lithium alloy of roughly 3.6% copper and 0.9% lithium, AA 2050 marries high strength with reduced density relative to conventional 2024. Each weight percent of lithium cuts density by about 3% while also stiffening the alloy by raising its elastic modulus. Those weight and stiffness gains explain its adoption in aerospace fuselage panels, lower wing skins, and thick-plate parts where every kilogram saved carries value.
Notations de performance
Performance Radar
| Propriété | Rating |
|---|---|
| Strength | 6 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
Composition
Propriétés mécaniques
| Résistance à la traction | 560.0 MPa |
| Limite d'élasticité | 520.0 MPa |
| Allongement | 11.0% |
| Dureté (Rockwell) |
Composition chimique
| Élément | Pourcentage (%) |
|---|---|
| Ag | 0,365 |
| Al | 97,279 |
| Cr | 0,01 |
| Cu | 3,55 |
| Fe | 0,1 |
| Li | 0,9 |
| Mg | 0,35 |
| Mn | 0,365 |
| Ni | 0,01 |
| Si | 0,08 |
| Ti | 0,03 |
| Zn | 0,06 |
| Zr | 0,08 |
Où acheter AA 2050 Aluminum Alloy
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Description
AA 2050 is a third-generation aluminum-copper-lithium alloy (~3.6% Cu, 0.9% Li) that combines high strength with reduced density compared to conventional 2024. The lithium content lowers density by approximately 3% per weight percent added while also increasing elastic modulus. It is used in aerospace fuselage panels, lower wing skins, and thick plate applications where weight savings are critical.