7A09 Aluminum Round Bar

Chemical composition of 7A09 aluminum alloy

●Aluminum (Al): balance
●Silicon (Si): 0.5% max
●Ferrum (Fe): 0.5% max
●Copper (Cu): 1.4-2.0%
●Manganese (Mn): 0.15%
●Magnesium (Mg): 2.0-3.0%
●Chromium (Cr): 0.16-0.3% 
●Zinc (Zn): 5.1-6.1% 
●Titanium (Ti): 0.1% max
●Other elements: Each 0.05% max, Total 0.1% max

Typical mechanical properties of 7A09 T6 aluminum 
For aluminum rod 7A04 T4: φ22-150mm

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

7A09 aluminum round bar application

7A09 aluminum round bar is a high-strength aluminum alloy from the 7000 series, primarily alloyed with zinc and supplemented by magnesium and copper. This composition results in excellent mechanical strength, making it suitable for demanding applications where structural integrity and fatigue resistance are required. The T6 temper treatment enhances its strength and durability, making it widely used in industries requiring high-performance materials.

Common Applications of 7A09 Aluminum Round Bar:

1.Aerospace and Aviation Components:
7A09 aluminum is frequently used in the aerospace industry for the manufacturing of critical aircraft structural components, such as fuselage frames, wing spars, and landing gear. Its excellent strength-to-weight ratio and resistance to fatigue make it ideal for components that must endure extreme forces and stress during flight.

2.Military and Defense:
In military applications, this aluminum alloy is used for producing armor plates, weapon components, and military vehicle parts where high strength and durability are crucial. Its toughness and resistance to stress make it valuable in harsh and challenging environments.

3.High-Performance Sporting Equipment:
7A09 aluminum round bar is also used in sporting goods like bicycle frames, golf club shafts, and high-performance climbing gear. These applications benefit from the material’s lightweight yet strong properties, improving performance while maintaining safety standards.

4.Automotive Industry:
In the automotive sector, 7A09 aluminum is used to produce chassis components, suspension parts, and engine mounts for performance vehicles. The alloy's high strength allows it to endure mechanical stress, making it ideal for sports cars and race cars, where weight reduction and strength are paramount.

5.Marine and Shipbuilding:
7A09 aluminum round bars are used in the marine industry for constructing boat frames, hulls, and deck structures. Its resistance to corrosion in saltwater environments and high strength make it an ideal material for marine vessels.

6.Industrial Machinery and Equipment:
This alloy is employed in the production of heavy-duty machinery and equipment parts where high strength and durability are essential. It's particularly useful for cranes, drilling rigs, and construction equipment that are subject to high loads and cyclic stress.

7.Structural Applications:
7A09 aluminum is suitable for building bridges, high-rise buildings, and other infrastructure that require both lightweight materials and high structural integrity. Its high tensile strength and ability to withstand significant loads without deformation make it an excellent choice for load-bearing structures.

8.Tooling and Molds:
In the tooling industry, this alloy is used for the production of molds and dies. Its hardness and resistance to wear make it ideal for molding operations, ensuring long service life and precision during manufacturing processes.

Conclusion:

7A09 aluminum round bar is a versatile material known for its superior strength, lightweight properties, and durability, making it ideal for aerospace, military, automotive, and marine applications. Its high tensile strength, fatigue resistance, and corrosion resistance make it a favored choice for industries that require high-performance materials capable of withstanding extreme environments and stresses.