The 2024 T351 aluminum alloy is known for its high strength and durability. As part of the aluminum-copper alloy class, it is primarily used in structural components and applications requiring high strength. The cold-worked T351 temper enhances the alloy's durability. Its light weight, high strength-to-weight ratio, and good machinability make it widely used in industries such as automotive, aerospace, and space.

The 2024 T351 alloy has limited suitability for anodizing. Due to its high copper content, anodizing does not form a strong oxide layer on the surface. Therefore, alternative protective coatings are preferred to protect the material. In terms of weldability, the 2024 T351 alloy requires careful attention during welding due to its high copper content. Proper techniques and filler materials can minimize the risk of cracking, but a careful welding process is necessary.

In terms of bending and forming, the 2024 T351 aluminum alloy shows moderate machinability. Due to its high strength, bending operations can present challenges, but with the right processing techniques, successful bending and forming can be achieved. Additionally, the alloy is suitable for use in high-vibration environments. Its high durability and elastic modulus make it ideal for applications such as engine parts and chassis.

Regarding corrosion resistance, the 2024 T351 aluminum alloy shows lower resistance compared to other aluminum alloys due to its high copper content. This can limit its use in marine and humid environments. However, corrosion resistance can be enhanced with appropriate coatings and surface treatments. The advantages of the 2024 T351 aluminum alloy include high strength, good machinability, and light weight, while its disadvantages include limited anodizing compatibility, lower corrosion resistance, and welding challenges.

ALLOY DESIGNATIONS

Aluminum alloy 2024 T351 has similarities to the following standard designations and specifications:

As Cold drawn round bar and Hexagonal bars: 2024 T351, AMS 4120, AMS QQ-A-225/6, ASTM B211

As Plate and Sheet: 2024 T351, AMS QQ-A-250/4, AMS 4037, EN 2419, WS 3.1394, AIR 9048-120, ASTM B209

As Alclad Plate and Sheet: 2024 T351, AMS QQ-A-250/5, AMS 4041, AIR 9048-140, EN 4001, ASTM B209

As Cold Drawn Flat Bars: 2024 T351, ASTM B211

Choosing Factors for 2024 T351

SUPPLIED FORMS

2024 T351 aluminum alloy is supplied in plate, sheet, bar/round bar, tube/extrusion.

• Plate
• Sheet
• Round Bar / Bar
• Tube / Extrusion