7075 T6511 Aluminum

7075-T6511 aluminum alloy, while meeting high strength requirements, offers excellent machinability, weldability, and structural stability after fine processing and treatment. It is highly suitable for high-performance structures and high-load applications.

7075-T6511 aluminum alloy is a specific heat-treated condition of 7075 aluminum, known for its high strength, and is widely used in aerospace, aviation, and other fields requiring high-strength structural components.

7075 T6511 Aluminum Common Forms

Product Form	Description
Aluminum Square Bar	7075-T6511 aluminum square bar is a high-strength, excellent corrosion-resistant aluminum alloy profile commonly used to manufacture parts requiring precise dimensions and outstanding structural strength. Due to its uniform cross-section and easy machinability, it is widely used in aerospace, automotive, and mechanical industries, especially for frames, brackets, and support structures.
Aluminum Round Bar	7075-T6511 aluminum round bar offers an excellent combination of high strength and lightweight properties, making it an ideal choice for manufacturing high-stress mechanical parts and moving components. It is commonly used in aerospace, automotive, and military industries, particularly in parts like shafts, gears, and supports that require high strength and good toughness.
Aluminum Rectangle Bar	7075-T6511 aluminum rectangle bar is known for its outstanding strength, hardness, and corrosion resistance, widely used to manufacture industrial parts that endure significant stress. Its rectangular cross-section makes it suitable for use as framework structures, support components, and strength-critical parts in aerospace and mechanical engineering.
Aluminum Angle	7075-T6511 aluminum angle is a high-strength aluminum alloy profile commonly used for manufacturing frame structures and supports. Its angled cross-section makes it extremely useful in supporting and connecting structures, often found in aerospace, construction, and military equipment, able to withstand very high mechanical stress.
Aluminum Extruded Bar	7075-T6511 aluminum extruded bar features a uniform cross-section and excellent mechanical properties, widely applied in industries with high-strength demands. Its extrusion process allows for the flexible production of various sizes and shapes, making it especially suitable for structural components, frames, and applications requiring additional strength and stability in aerospace, transportation, and other fields.

7075 T6511 Aluminum Standard Specifications

ASTM B221: Standard specification for aluminum alloys in various forms, including extruded shapes.
AMS QQ-A-200/11: High-standard performance requirements for aluminum alloys, suitable for aerospace and military applications.

7075 T6511 Aluminum Mechanical Properties

Property	Value
Density g/cm^3	3
Ultimate Tensile Strength KSI	80
Yield Tensile Strength KSI	67
Brinell Hardness 500 kg load	150
Elongation % in 2 in.	8
Melting Point °F	890 - 1180
Electrical Conductivity % IACS	33
Machinability %	70
Shear Strength KSI	48
Rockwell Hardness B Scale	87

7075 T6511 Aluminum Processing and Manufacturing

Solution Heat Treatment: First, the 7075 aluminum alloy undergoes solution treatment at high temperatures to homogenize the alloy composition and increase its plasticity and formability.
Stress Relieving: After the solution treatment, the 7075 aluminum alloy undergoes a stretching operation to relieve internal stresses. The amount of stretching depends on the specific product type (e.g., extrusions or tubing). The stress relieving process alleviates internal stresses in the metal, reducing deformation during subsequent processing.
Artificial Aging: After stress relieving, the 7075 aluminum alloy undergoes artificial aging to further enhance its strength and hardness. Artificial aging is performed by controlling the temperature and time to stabilize the precipitate phase in the alloy, thus improving the material's mechanical properties.

Compared to the T6510 condition, one significant feature of 7075-T6511 aluminum alloy is that it allows for straightening treatment. The T6511 condition allows the aluminum alloy to be straightened through stretching during processing, which results in a flatter and more stable finished surface, while the T6510 condition does not permit this treatment.

7075-T6511 Aluminum Alloy Performance Characteristics

High Strength: 7075-T6511 aluminum alloy has a very high tensile strength, second only to the T6 condition, making it the second highest strength variant of 7075 aluminum alloy.
Excellent Corrosion Resistance: While 7075 aluminum alloy itself has relatively lower corrosion resistance compared to other alloys, the T6511 condition enhances its corrosion resistance through aging treatment, making it suitable for use in harsh environments.
Good Weldability: With proper welding treatment, 7075-T6511 aluminum alloy can maintain good performance while withstanding significant stresses.

Applications of 7075-T6511 Aluminum Alloy

Aerospace: Due to its high strength properties, 7075-T6511 aluminum alloy is commonly used in critical components of aircraft, such as wing spars and fuselage frames.
Military and Defense: 7075-T6511 is frequently used in military equipment and other environments that require extreme stress tolerance, such as weapon systems, aircraft, and armored vehicles.
Automotive Industry: The requirements for high strength and lightweight properties make 7075-T6511 aluminum alloy suitable for structural components and accessories in high-performance automobiles.
High-load Mechanical Components: Suitable for manufacturing various mechanical parts with high-strength demands, such as gears, lifting equipment, and brackets.

Chemistry Information 7075 Aluminum

Element	Percentage
Al	90
Cr	0.18 - 0.28
Cu	1.2 - 2
Fe	0.5 max
Mg	2.1 - 2.9
Mn	0.3 max
Si	0.4 max
Ti	0.2 max
Zn	5.1 - 6.1
Zr+Ti	0.25 max