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6063 Aluminum Rectangular Bar, Unpolished (Mill) Finish, T52 Temper, Standard Tolerance, Inch, AMS QQ-A-200/9/ASTM B221

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Product Specifications
Unpolished (Mill)
Item Shape
Rectangular Bar
Specification Met
AMS QQ-A-200/9 , ASTM B221
Material Composition
Material Type
System of Measurement

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Key Features

  • 6063 aluminum, also known as architectural aluminum, provides excellent corrosion resistance and good weldability
  • Meets AMS-QQ-A-200/9 and ASTM B221 specifications
  • Unpolished (mill) surface has no finish
  • Heat treated for increased strength
  • Standard tolerance

Product Description

The 6063 aluminum rectangular bar with T52 has an unpolished (mill) surface, meets SAE Aerospace Material Specifications AMS-QQ-A-200/9 and American Society for Testing and Materials International ASTM B221 specifications, and has a standard tolerance. The heat-treatable 6063 aluminum alloy, also known as architectural aluminum, is a medium-strength material with excellent corrosion resistance and good weldability. The aluminum has a T52 temper, meaning it has been heat treated for increased strength.

Aluminum and aluminum alloys are lightweight compared to steel, brass, and copper, and have high strength-to-weight ratios. They offer good corrosion resistance and conductivity of heat and electricity, as well as moderate formability and machinability. Aluminum alloys include elements that modify the aluminum to achieve specific properties such as better weldability or greater strength. All series of aluminum alloys are nonmagnetic. Aluminum alloys have temper designations, indicating that the material has undergone a process to achieve certain properties of strength and hardness.

Tensile strength, used to indicate the material’s overall strength, is the peak stress it can withstand before it breaks. Corrosion resistance describes the material's ability to prevent deterioration caused by atmosphere, moisture, or other medium. Wear resistance indicates the ability to prevent surface damage caused by contact with other surfaces. Toughness describes the material's ability to absorb energy before breaking, while hardness (commonly measured as indentation hardness) describes its resistance to permanent surface deformation. Formability indicates how easily the material can be permanently shaped. Machinability describes how easily it can be cut, shaped, finished, or otherwise machined, while weldability characterizes the ability to be welded.

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