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-T6
Stock Lengths 12' (Sharp Corners)
ASTM B221
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506450841-497007194-alum-square-bar

Aluminum Squares - Series 6061-T6
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6061-T6
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6061-T6
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6061-T6
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6061-T6
Material N/A Aluminum
Shapeform N/A Squares
Series N/A 6061-T6
Grade N/A 6061
Temper N/A T6
Size N/A 3/8 inches N/A 1/2 inches N/A 5/8 inches N/A 3/4 inches N/A 1 inches
Size N/A 0.375 inches9.525 mm N/A 0.5 inches12.7 mm N/A 0.625 inches15.875 mm N/A 0.75 inches19.05 mm N/A 1 inches25.4 mm
Estimated Weight N/A 0.1654 lbs/ft0.2461423256 kg/m N/A 0.294 lbs/ft0.437520216 kg/m N/A 0.4594 lbs/ft0.6836625416 kg/m N/A 0.6615 lbs/ft0.984420486 kg/m N/A 1.1760 lbs/ft1.750080864 kg/m
Estimated Weight per 12' Bar N/A 1.985 lbs0.900380914 kg N/A 3.528 lbs1.6002739872 kg N/A 5.513 lbs2.5006549012 kg N/A 7.938 lbs3.6006164712 kg N/A 14.112 lbs6.4010959488 kg
ASTM Specification N/A ASTM B221
Stock Length
N/A 12 ft
Ultimate Strength N/A 45 ksi
Yield Strength N/A 40 ksi
Elongation percent in 2 inches N/A 12
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 104 ksi
Resistance to Corrosion - General3 N/A B
Stress Corrosion Cracking4 N/A A
Workability (Cold)5 N/A C
Mechinability N/A C
Brazeability6 N/A A
Gas Weldability7 N/A A
Arc Weldability8 N/A A
Resistance Spot and Seam Weldability9 N/A A
Applications N/A Anodized auto and appliance trim
Density N/A 0.098 lbs/in³
Specific Gravity N/A 2.78
  • 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 Stress-corrosion cracking ratings are based on service experience and on laboratory tests of specimens exposed to the 3.5% sodium chloride alternate immersion test.
  • 5 Ratings A through D for Workability (cold), and A through E for Machinability, are relative ratings in decreasing order of merit.
  • 6 Ratings A through D for Weldability and Brazeability are relative ratings.
  • 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.
  • 8 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.
  • 9 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.