7150 7055 2024 Aluminum for Aircraft Wing Panel

7150-T7751, 7055-T7751, and 2024 aluminum alloys are widely used high-performance aluminum alloy materials in the aerospace field. These alloys possess excellent properties such as high strength, high toughness, corrosion resistance, and high damage tolerance, making them suitable for structural components like wing skin panels and wing rib webs.

Aluminum Sheet for Aircraft Wing Panel

Aluminum Specifications and Performance for Wings

Aluminum alloys such as 7150-T7751, 7055-T7751, and 2024 can have widths up to 2500mm and lengths up to 10000mm.

Alloy	Condition	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
7150	T7751	585~600	550~565	10~13
7055	T7751	635~650	595~610	8~11
2024	T3/T4	460~495	320~335	15~21

7150 T7751 Aluminum Sheet for Aircraft Wing Panel

Composition: The 7150 aluminum alloy primarily consists of zinc as the main alloying element, offering excellent strength and toughness.
High Strength: In the T7751 heat-treated condition, 7150 exhibits very high tensile and yield strength, making it suitable for withstanding extreme structural loads.
Good Toughness: It possesses good toughness, effectively resisting impact and fatigue loads.
Corrosion Resistance: With appropriate surface treatment, its corrosion resistance is enhanced, making it suitable for use in harsh environments.
Damage Tolerance: The 7150 aluminum alloy maintains high structural integrity even after sustaining damage, meeting safety requirements for aircraft.

The 7150 T7751 aluminum alloy is used to construct the external structure of the wing, ensuring it can withstand aerodynamic loads and pressure changes. The use of high-strength 7150-T7751 effectively reduces the overall weight of the airframe while maintaining strength.

7055 T7751 Aluminum Sheet for Aircraft Wing Panel

Composition: The 7055 aluminum alloy also has zinc as the main alloying element, providing high strength and good corrosion resistance.
High Strength: The 7055 aluminum alloy exhibits very high tensile strength in the T7751 condition, making it suitable for heavy-load aircraft structures.
High Toughness: Similar to 7150, 7055 also demonstrates good toughness, capable of absorbing impact energy.
Strong Corrosion Resistance: The corrosion resistance of 7055 aluminum alloy is superior to that of traditional aluminum alloys like 2024, making it suitable for use in humid or corrosive environments.

The 7055 T7751 aluminum alloy is used to connect wing ribs and wing skin panels, bearing bending and shear forces. During manufacturing, laser welding or riveting techniques are typically employed to ensure the strength and sealing of the joints.

2024 Aluminum Sheet for Aircraft Wing Panel

Composition: The 2024 aluminum alloy primarily consists of copper as the alloying element, offering high strength and good machinability.
Moderate Strength: Although its strength is not as high as 7150 and 7055, it still performs excellently in many applications.
Good Formability: The 2024 aluminum alloy has good properties in processing and forming, suitable for various manufacturing processes.
Weaker Corrosion Resistance: Compared to 7150 and 7055, 2024 has relatively weaker corrosion resistance and requires surface treatment to enhance it.

Due to its slightly lower corrosion resistance, 2024 is typically anodized to improve its corrosion resistance, ensuring its lifespan in humid or salt spray environments.

The 2024 alloy is commonly used in wing ribs and web sections in medium to low load areas, providing necessary strength and rigidity. The good machinability of 2024 aluminum alloy makes it more flexible in the forming and assembly processes.

Wing Skin Panels: Wing skin panels are essential components of an aircraft's wings, enduring various forces during flight. The use of high-strength aluminum alloys ensures their safety and reliability.

Wing Rib Webs: Wing rib webs are important structural components that connect wing skin panels. Using these aluminum alloys can enhance the overall stiffness and strength of the structure, ensuring flight performance.

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