The cold-drawn 2024 T4 aluminum alloy is known for its high strength and excellent machinability, making it popular in aerospace, defense, and automotive industries. Frequently used in load-bearing components that demand durability, this alloy’s copper content provides high strength, though its natural corrosion resistance is relatively low. Therefore, in challenging environments, additional protective coatings or anodizing are recommended. Compatible with anodizing, 2024 T4 offers both enhanced surface durability and corrosion resistance while also providing an aesthetic finish.

Due to limited weldability, 2024 T4 is typically assembled using mechanical fastening methods. The cold-drawing process enhances its formability, making it well-suited for bending and complex shapes. Its high fatigue resistance also makes it ideal for high-vibration environments. Key advantages of 2024 T4 include high strength, good machinability, bendability, and anodizing compatibility, while its main drawbacks are limited corrosion resistance and restricted weldability. These properties make the 2024 T4 aluminum alloy an excellent choice for projects requiring durability, strength, and vibration resistance.

ALLOY DESIGNATIONS

Aluminium alloy 2024 T4 has similarities to the following standard designations and specifications:

As cold drawn round bar and wire: AMS 4120, AMS QQ-A-225/6, ASTM B211

As extruded round bar: AMS QQ-A-200/3, ASTM B221

As Alclad sheet: AMS QQ-A-250/5, AMS 4279, ASTM B209, EN 2703

As cold drawn rectangle bar: AMS QQ-A-225/95, AMS 4123

Choosing Factors for 2024 T4

SUPPLIED FORMS

Alloy 2024 T4 is supplied in plate and sheet

• Plate
• Sheet
• Rectangle / Round Bar