2A12 Aluminum Coil

Introduction to 2A12 Aluminum Coil

The 2A12 aluminum coil is a high-strength duralumin alloy that belongs to the aluminum-copper-magnesium series. It possesses excellent mechanical and physical properties. The primary components of this alloy include aluminum (Al), copper (Cu), magnesium (Mg), and manganese (Mn). Key characteristics of the 2A12 aluminum coil are as follows:

1. High Strength and Hardness: 

This alloy exhibits a tensile strength exceeding 400 MPa, a yield strength surpassing 350 MPa, and a hardness reaching up to 110 HB. These properties make it suitable for applications requiring high load-bearing capacity and impact resistance.
2. Good Ductility: 

The elongation can reach over 12%, allowing for easy processing into various complex shapes.
3. Corrosion Resistance: 

While its inherent corrosion resistance is moderate, it can be significantly enhanced through surface treatments such as anodizing, painting, or aluminum coating.
4. Excellent Thermal Conductivity: 

With a thermal conductivity ranging from 129 to 165 W/(m·K), it performs well in high-temperature environments.
5. Welding Performance:

Spot welding performance is satisfactory; however, precautions should be taken to prevent intergranular cracking during gas welding and argon arc welding.

Applications of 2A12 Aluminum Coil

Due to its high strength, lightweight nature, and favorable processing properties, the 2A12 aluminum coil finds extensive use in several industries:

1. Aerospace: 

It is employed in manufacturing aircraft structural components, including wings, fuselages, and fuel tanks, meeting stringent requirements for high strength, light weight, and corrosion resistance. Additionally, it is widely used in critical components such as missile parts and propeller components.
2. Transportation: 

In automotive manufacturing, it is utilized in body structures, chassis components, and engine parts to achieve weight reduction and improve fuel efficiency. It is also applied in train and truck wheels.
3. Machinery Manufacturing: 

It serves in producing high-strength structural parts like pressure vessels, bridge supports, and petrochemical equipment capable of withstanding substantial loads. It is also suitable for high-precision machine parts and tool manufacturing.
4. Electronics and Heat Dissipation: 

Due to its superior thermal conductivity and processability, it is used in electronic enclosures, heat sinks, and connectors. Its applications extend to computers, mobile phones, and other electronic devices.
5. Sports Equipment and Household Appliances: 

It is used in manufacturing bicycle frames, golf clubs, and other sports equipment to meet demands for lightweight and high-strength materials. In household appliances, it is employed in housing and structural parts for both aesthetic appeal and durability.

In summary, the 2A12 aluminum coil, characterized by its high strength, good ductility, and thermal conductivity, has broad applications across aerospace, transportation, machinery manufacturing, electronic equipment, and sports equipment. Its versatile properties render it an indispensable material in modern industry.