6061 Aluminum Tube

6061 aluminum is one of the most common and versatile aluminum alloys and Kloeckner Metals is proud to stock it nationwide in the tube format.

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General Info About 6061 Aluminum Tube

This is the most commonly used aluminum for general applications. The major alloying elements are silicon and magnesium which lead to good formability, weldability, corrosion resistance, and good surface finish. It is commonly used in structural applications.

More Details About 6061 Aluminum Tube

  • Advantages/Disadvantages

    It has good strength, formability, weldability, corrosion resistance, and good surface finish.

  • Industries

    It is common in the automotive, aerospace, architectural, industrial, marine, and construction industries.

  • Applications

    Door and window frames, sign frames, roofs, and automotive parts are all common applications for this grade.

  • Machining

    It has good machinability.

  • Welding

    It has good weldability.

  • Heat Treatment

    It is heat treatable.

Typical Standards

Tempers
T6
T6511

Chemical Properties of 6061

AlMgSiFeCuCrZnTiMnRemainder
95.85 - 98.56%0.8 - 1.2%0.40 - 0.8%0.0 - 0.7%0.15 - 0.40%0.04 - 0.35%0.0 - 0.25%0.0 - 0.25%0.0 - 0.15%0.05% each, 0.15% total

Mechanical Properties

TemperStrengthHardnessPoisson's Ratio
Ultimate Tensile StrengthYield StrengthBrinellRockwell
6061-T6511290 MPa or 45,000 KSI270 MPa or 40,000 KSI95B600.33
6061-T6310MPa or 42,000 KSI270 MPa or 39,000 KSI95B600.33

Frequently Asked Questions about 6061 Aluminum Tube

  • What is the density of 6061 aluminum tube?

    It has a density of 2.7 g/cm3 (0.0975 lb/in3).

  • Where will you see 6061 aluminum in cars?

    6061 aluminum shows outstanding surface quality, making it great for auto bodies and wheels. You will also see it in braking systems, crossmembers, and propeller shafts.

  • What is the strength of 6061 aluminum?

    Tensile strength will depend on temper. The ultimate tensile strength of this grade at T6 will be 310 MPa with a yield strength of 270 MPa. For T6511, the ultimate tensile strength will be 290 MPa and the yield strength will be 270 MPa.

  • How do you compare 6061-T6 and 6061-T6511?

    Different processes applied to 6061 aluminum result in different mechanical properties. T6 and T6511 are both tempers and share the same alloy composition, but have different mechanical properties. For example, T6511 has slightly higher fatigue strength (100 vs. 96 MPa), while T6 has higher shear strength (210 vs 170 MPa).

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