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2011 T3 T6 Aerospace Aluminum Bar Rod

2011 aerospace aluminum rod is a common aluminum alloy material primarily used for the manufacturing of structural components and parts in the aerospace industry.

The 2011 aerospace aluminum rod is characterized by its high strength and excellent machining properties, making it suitable for aerospace and other high-demand engineering applications.

2011 Aerospace Aluminum Rod

Characteristics of 2011 Aerospace Aluminum Rod

  • 1. Excellent Machinability: The 2011 aluminum rod has outstanding cutting performance and is one of the best-machining aluminum alloys, especially suitable for turning, drilling, and other machining processes.
  • 2. Moderate Strength: This material has moderate tensile and yield strength, making it unsuitable for high-strength applications.
  • 3. Poor Corrosion Resistance: Due to its high copper content, the corrosion resistance of the 2011 aluminum rod is relatively poor, thus it typically requires surface treatment or coatings to enhance its corrosion resistance.
  • 4. Good High-Temperature Performance: The 2011 aluminum rod exhibits high strength and oxidation resistance in high-temperature environments, making it suitable for high-temperature applications.
  • 5. Good Electrical Conductivity: This aluminum alloy has good electrical conductivity, making it suitable for applications requiring a certain level of conductivity.

Specs of 2011 T3 T6 aerospace aluminum bar rod

2011 aluminum bar rod specification
Alloy 2011
Temper T3, T6, T8
Out diameter 6mm-200mm
Length 3000mm, 4000mm, 6000mm
Standard ASTM B211/B211M, QQ-A-225/3, AMS 4115, AMS 4116

Chemical composition of 2011 aluminum alloy

2011 Alloy %
Si 0.40-0.80
Fe 0.70
Cu 5.0-6.0
Mn -
Mg -
Zn 0.30
Bi 0.20-0.60
Pb 0.20-0.60
Al Remainder

Mechanical property of 2011 T3 T6 aerospace aluminum bar rod

Temper Size Yield strength Tensile strength Elongation
T3 0.125" -5" 35 ksi 45 ksi 12%
T6 0.125" -5" 55 ksi 60 ksi 8%
T8 0.125" -5" 45 ksi 60 ksi 10%

2011 Aerospace Aluminum Bar Rod Heat Treatment and Conditions

2011 T3 Aerospace Aluminum Bar Rod

T3: Heat treatment + cold working, enhancing strength.

Features: The aluminum rod in T3 condition has high strength and good toughness, making it suitable for structural components with higher strength requirements, though its strength is slightly lower than that of the T6 condition.

2011 T6 Aerospace Aluminum Bar Rod

T6: Solution treated followed by artificial aging, further enhancing the material's strength and hardness.

Features: The aluminum rod in T6 condition has higher strength and hardness, making it suitable for applications with high strength requirements, such as aerospace and high-performance mechanical components. Its tensile and yield strengths are significantly improved, but toughness may be slightly reduced.

Applications of 2011 Aerospace Aluminum Bar Rod

The 2011 aluminum rod is widely used in the aerospace field due to its excellent mechanical properties and machining characteristics.

1. Structural Components

Fuselage frames and supports: The 2011 aluminum rod is often used to manufacture the fuselage frames and supports of aircraft due to its good strength-to-weight ratio. These components need to provide sufficient strength to withstand various loads during flight while maintaining lightweight design.

2. Engine Components

Engine casings and support structures: In aerospace engines, the 2011 aluminum rod can be used to fabricate casings and support structures. These components need to possess a certain level of high-temperature strength and oxidation resistance to adapt to the high-temperature environment during engine operation.

3. Fasteners

Bolts and nuts: The 2011 aluminum rod can be machined into various fasteners, such as bolts and nuts, which are widely used in the assembly and maintenance of aircraft. Its excellent machinability allows these fasteners to achieve high precision and good surface finish during production.

4. Control Surfaces and Control Devices

Control surface frames: In the control surfaces and control devices of aircraft, the 2011 aluminum rod can be used as frame material. These components need to provide sufficient strength and rigidity while maintaining a lightweight design to ensure precise and safe flight control.

5. Aircraft Interiors

Interior components: In some aircraft interior designs, the 2011 aluminum rod can be used to fabricate decorative and functional parts, such as seat frames and cabin doors. These components need to be aesthetically pleasing while also possessing adequate strength and durability.

6. Drones and Light Aircraft

Lightweight structures: In the design of drones and light aircraft, the 2011 aluminum rod is often used to manufacture fuselages, wing frames, and other structural components due to its lightweight and high-strength characteristics, improving flight efficiency and endurance.

The 2011 aluminum rod has extensive applications in the aerospace field, covering structural components, engine parts, fasteners, control devices, and interiors. Its excellent machinability, moderate strength, and good electrical conductivity make it an indispensable material in aerospace manufacturing. Despite its relatively poor corrosion resistance, the 2011 aluminum rod can still meet the stringent performance requirements of the aerospace industry through appropriate surface treatment.

2011 Aerospace Aluminum Bar Rod Machining Performance

The 2011 aluminum alloy has excellent cutting performance, making it suitable for precision machining and high-production efficiency manufacturing processes, widely used in the machining of mechanical parts.

During the machining of this material, cutting tools experience minimal wear, achieving a high-quality surface finish.

Limitations of 2011 Aerospace Aluminum Bar Rod

  • Poor corrosion resistance: Additional surface protection measures are required when used in humid or corrosive environments.
  • Poor weldability: Due to its high copper content, the 2011 aluminum alloy is not suitable for welding operations.