6061 is the least expensive and most versatile of the heat-treatable aluminum alloys. It has most of the good qualities of aluminum. It offers a range of good mechanical properties and good corrosion resistance. It can be fabricated by most of the commonly used techniques. In the annealed condition it has good workability. In the T4 condition fairly severe forming operations may be accomplished. The full T6 properties may be obtained by artificial aging. It is welded by all methods and can be furnace brazed. It is available in the clad form ("Alclad") with a thin surface layer of high purity aluminum to improve both appearance and corrosion resistance. Applications: This grade is used for a wide variety of products and applications from truck bodies and frames to screw machine parts and structural components. 6061 is used where appearance and better corrosion resistance with good strength are required.

6061-T6511 6061-T6
Seamless Extruded Tubing
24' Stock Lengths
AMS-QQ-A-200/8 (Structural) ASTM B241 (Seamless)
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506450626-497007229-aluminum-tube

Aluminum Round Tubing
506450626-497007229-aluminum-tube

Aluminum Round Tubing
506450626-497007229-aluminum-tube

Aluminum Round Tubing
506450626-497007229-aluminum-tube

Aluminum Round Tubing
506450626-497007229-aluminum-tube

Aluminum Round Tubing
Material N/A Aluminum
Shapeform N/A Structural Tubing
Series N/A 6061-T6
Grade N/A 6061
Temper N/A T6
O.D. N/A 5/8 inches N/A 1 inches N/A 1 inches N/A 1 1/4 inches N/A 1 1/2 inches
O.D. N/A 5/8 inches15.875 mm N/A 1 inches25.40 mm N/A 1 inches25.40 mm N/A 1 1/4 inches31.75 mm N/A 1 1/2 inches38.10 mm
Thickness N/A 0.1455 inches N/A 1/8 inches N/A 1/4 inches N/A 1/4 inches N/A 1/8 inches
Wall Thickness N/A 0.1455 inches3.6957 mm N/A 0.125 inches3.1750 mm N/A 0.25 inches6.3500 mm N/A 0.25 inches6.3500 mm N/A 0.125 inches3.1750 mm
I.D. N/A 0.334 inches8.35 mm N/A 0.750 inches18.75 mm N/A 0.500 inches12.5 mm N/A 0.750 inches18.75 mm N/A 1.250 inches31.25 mm
Weight N/A 0.2578 lbs/ft0.3836486792 kg/m N/A 0.4041 lbs/ft0.6013670724 kg/m N/A 0.6927 lbs/ft1.0308512028 kg/m N/A 0.9236 lbs/ft1.3744682704 kg/m N/A 0.6350 lbs/ft0.94498414 kg/m
Weight per 12' N/A 3.093 lbs1.4029848 kg N/A 9.698 lbs4.3990128 kg N/A 16.625 lbs7.5411 kg N/A 22.167 lbs10.0549512 kg N/A 15.240 lbs6.912864 kg
Weight per 18' N/A
ASTM Specification N/A AMS-QQ-A-200/8
Stock Length N/A 12 ft N/A 24 ft N/A 24 ft N/A 24 ft N/A 24 ft
Ultimate Strength N/A 45 ksi
Yield Strength N/A 40 ksi
Elongation percent in 2 inches N/A 17
Hardness Brinnel Number
N/A 95
Ultimate Shearing Strength N/A 30 ksi
Fatigue Endurance Limit1 N/A 14 ksi
Modulus of Elasticity2 N/A 10.0 x 103 ksi
Resistance to Corrosion - General3 N/A B
Stress Corrosion Cracking N/A A
Workability (Cold) N/A C
Mechinability N/A C
Brazeability4 N/A A
Gas Weldability5 N/A A
Arc Weldability6 N/A A
Resistance Spot and Seam Weldability7 N/A A
Applications N/A Heavy-duty structures requiring good corrosion resistance, truck and marine, railroad cars, furniture, pipelines
Density N/A 0.098 lbs/in³
Specific Gravity N/A 2.70
  • 1 Based on 500,000.000 cycles of completely reversed stress using the R. R. Moore-type of machine and specimen.
  • 2 Average of tension and compression moduli. Compression modulus is about 2 percent greater than tension modulus.
  • 3 Ratings A through E are relative ratings in decreasing order of merit, based on exposures to sodium chloride solution by intermittent spraying or immersion. Alloys with A and B ratings can be used in industrial and seacoast atmospheres without protection. Alloys with C, D and E ratings generally should be protected at least on faying surfaces.
  • 4 Ratings A through D for Weldability and Brazeability are relative ratings.
  • 5 A = Generally weldable by all commercial procedures and methods.
    B = Weldable with special techniques or for specific applications that justify preliminary trials or testing to develop welding procedure and weld performance.
    C = Limited weldability because of crack sensitivity or loss in resistance to corrosion and mechanical properties.
  • 6 A = Generally weldable by all commercial procedures and methods.
    B = Weldable with special techniques or for specific applications that justify preliminary trials or testing to develop welding procedure and weld performance.
    C = Limited weldability because of crack sensitivity or loss in resistance to corrosion and mechanical properties.
  • 7 A = Generally weldable by all commercial procedures and methods.
    B = Weldable with special techniques or for specific applications that justify preliminary trials or testing to develop welding procedure and weld performance.
    C = Limited weldability because of crack sensitivity or loss in resistance to corrosion and mechanical properties.