2A11 Aluminum Round Bar

Chemical composition of 2A11 aluminum alloy

●Aluminum (Al): balance
●Ferrum (Fe): 0.7% max
●Copper (Cu): 3.8-4.9%
●Manganese (Mn): 0.4-0.8%
●Magnesium (Mg): 0.4-0.8%
●Zinc (Zn): 0.3% max
●Titanium (Ti): 0.15% max
●Other elements: Each 0.05% max, Total 0.1% max

Typical mechanical properties of  2A11 T4 aluminum

For aluminum rod 2011 T4: φ22-150mm 

 (The values are typical or min values,for reference only.)   

2A11 aluminum round bar application

2A11 Aluminum Round Bar Application

The 2A11 aluminum round bar is part of the 2000 series aluminum-copper alloys, known for its high strength and excellent machinability. It is particularly suitable for applications where high load-bearing capacity and toughness are required. However, it has lower corrosion resistance, which may necessitate surface treatments or coatings in certain environments.

Common Applications of 2A11 Aluminum Round Bar:

1.Aerospace Components:
The aerospace industry frequently uses 2A11 aluminum round bars for producing medium-strength structural components, such as rivets, bolts, and aircraft fittings. Its excellent machinability and good mechanical properties make it ideal for these applications.

2.Automotive Industry:
It is widely used in the automotive industry for manufacturing engine components, chassis parts, and suspension systems where high strength and precision are essential. The alloy's ability to withstand heavy loads and stresses makes it a great choice for critical automotive parts.

3.Machinery and Equipment:
In heavy machinery and industrial equipment, 2A11 aluminum round bars are used for producing shafts, gears, and couplings, where durability, wear resistance, and machinability are important factors. Its high strength ensures the longevity of these parts under heavy mechanical loads.

4.Construction and Infrastructure:
The material is also used in construction and infrastructure projects for structural applications like support beams, frames, and reinforced structures. Its strength-to-weight ratio makes it effective in ensuring the structural integrity of buildings and bridges.

5.Military Applications:
In military equipment and defense systems, 2A11 aluminum round bars are used to manufacture parts that require good machinability and toughness, such as weapon components, armor parts, and military vehicles.

6.Marine Applications (With Coatings):
Although 2A11 is not naturally highly resistant to corrosion, it can be utilized in marine applications with the addition of proper surface treatments or coatings. It may be used for parts like marine fittings and ship components that need high strength and durability.

7.General Engineering:
The alloy is often used in various general engineering applications where a balance of strength, toughness, and machinability is needed, such as fasteners, fittings, tools, and industrial machinery components.

Conclusion:

The 2A11 aluminum round bar is highly valued for its excellent strength, machinability, and durability, making it suitable for a wide range of industries, including aerospace, automotive, construction, and machinery. Its ability to maintain structural integrity under stress and load-bearing conditions makes it a go-to material for medium-strength applications. However, additional protection is necessary in environments where corrosion resistance is critical.