2090 Aluminum Sheet Plate
2090 is a Al-Cu-Li (aluminum-copper-lithium) alloy developed for aerospace . It features ultra-low density, high strength, and exceptional cryogenic toughness. It's widely used in fuselage skins, wing structures, and engine components.
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Overview
2090 aluminum sheet plate is a high-performance Al-Cu-Li aluminum-lithium alloy designed specifically for aerospace applications. It is a heat-treatable, ultra-lightweight structural material with extremely high strength and rigidity. Compared with conventional aluminum alloys, it significantly reduces weight while improving rigidity and durability, making it a core material for aircraft fuselage, wings, engines, and landing gear components.
Specification
Alloy: 2090
Temper: O, T81, T83, T3, T6, T7, T8
Thickness: 0.8-200mm
Standard sizes: 1250×2500mm, 1500×3000mm (custom sizes available)
Feature
1.Ultra-lightweight design: Lower density due to lithium addition, achieving 10–15% weight reduction vs conventional alloys.
2.Ultra-high specific strength & stiffness: High strength-to-weight and rigidity-to-weight ratios for aerospace structures.
3.Excellent fatigue resistance: Stable performance under long-term cyclic loads, extending service life.
4.Good corrosion resistance: Adaptable to harsh high-temperature, high-humidity, and acidic/alkaline environments.
5.Exceptional Cryogenic Toughness: It becomes much stronger and tougher at cryogenic temperatures, making it one of the few aluminum alloys qualified for cryogenic fuel tank service.
6.Good formability & machinability: Suitable for stamping, bending, welding, and precision machining.
Application
2090 aluminum sheet plate is a premium aerospace material widely used for aircraft structural components. It is applied to fuselage outer panels, ribs and stiffeners with high strength and light weight to enhance aircraft fatigue life and overall safety. It also manufactures wing plates, leading edges, trailing edges and brackets, relying on high strength and rigidity to optimize flight and maneuver performance. In addition, it is suitable for aero engine parts such as intake ports, casings and turbine blades, featuring great high temperature resistance and corrosion resistance to guarantee engine efficiency and reliability. It can also be used for landing gear components including main landing gear, nose landing gear and brake pads, with outstanding strength and wear resistance to improve load-bearing capacity and structural safety.
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