6061 Aluminum Rectangular Bar, Unpolished (Mill) Finish, T6511 Temper, ASTM B221, 3.50" Thickness, 3-1/2" Width, 72" Length
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Product Feature
- 6061 aluminum provides good corrosion resistance, strength, machinability, and weldability
- Meets ASTM B221 specifications
- Unpolished (mill) surface has no finish
- Extruded into the shape by compressing metal and pushing it through a die
- Heat treated for increased strength
Product Description
The 6061 aluminum rectangular bar with T6511 temper has an unpolished (mill) surface, meets American Society for Testing and Materials International ASTM B221 specifications, and has a standard tolerance. The 6061 aluminum alloy is a general-purpose material that combines good corrosion resistance, strength, machinability, and weldability. It resists stress corrosion cracking and is heat treatable. The material has been extruded, a process of compressing metal and pushing it through a die to create the shape. The aluminum has a T6511 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.
6061 Aluminum Rectangular Bar, Unpolished (Mill) Finish, T6511 Temper, ASTM B221, 3.50" Thickness, 3-1/2" Width, 72" Length Review
Aluminum 6061-T6 Rectangular Bar
The 6061-T6 rectangular bars, �" thick, 1-1/2" wide, 4' long, arrived without damage. It was packaged in a stiff cardboard tube for protection; tube ends had wooden plugs stapled in place so the contents couldn't come out. They've thought this through.
Aluminum is easy to drill, cut with a hacksaw, sand, mill, polish, or tap for machine screws. See Customer Images for a sample project.
Google on Aluminum alloys if you're curious about aluminum types (e.g., some are better for welding). Wikipedia has an excellent description of 6061-T6.
Here's what OnLineMetals web site says about 6061 aluminum:
6061 Aluminum is, by most any measure, the most commonly used aluminum alloy. It is specified in most any application due to its strength, heat treatability, comparatively easy machining, and weldability. If that were not enough, it is also capable of being anodized, adding a layer of protection for finished parts. The main alloy ingredients of 6061 aluminum are magnesium and silicon.
If you need to contact OnLineMetals, their number is 800-704-2157.
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6061 Aluminum Rectangular Bar, Unpolished (Mill) Finish, T6511 Temper, ASTM B221, 3.50" Thickness, 3-1/2" Width, 72" Length ...