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
Stock Lengths 12' (Sharp Comers)
ASTM B221 AMS 4173
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Metal & Alloy Bars

Aluminum Rectangles - Series 6061-T6511
Metal & Alloy Bars

Aluminum Rectangles - Series 6061-T6511
Metal & Alloy Bars

Aluminum Rectangles - Series 6061-T6511
Metal & Alloy Bars

Aluminum Rectangles - Series 6061-T6511
Metal & Alloy Bars

Aluminum Rectangles - Series 6061-T6511
Material N/A Aluminum
Shapeform N/A Rectangles
Series N/A 6061-T6511
Grade N/A 6061
Temper N/A T6511
Size N/A 1/8 x 1/2 inches N/A 1/8 x 5/8 inches N/A 1/8 x 3/4 inches N/A 1/8 x 1 inches N/A 1/8 x 1 1/4 inches
Working Decimal Equivalent N/A 0.125 x 0.500 inches322.58 x 12.7 mm N/A 0.125 x 0.625 inches322.58 x 15.875 mm N/A 0.125 x 0.750 inches322.58 x 19.05 mm N/A 0.125 x 1.000 inches322.58 x 25.4 mm N/A 0.125 x 1.250 inches322.58 x 31.75 mm
Width N/A 1/8 inches
Length N/A 1/2 inches N/A 5/8 inches N/A 3/4 inches N/A 1 inches N/A 1 1/4 inches
Estimated Weight N/A 0.0735 lbs/ft0.109380054 kg/m N/A 0.0919 lbs/ft0.1367622716 kg/m N/A 0.1103 lbs/ft0.1641444892 kg/m N/A 0.1470 lbs/ft0.218760108 kg/m N/A 0.1838 lbs/ft0.2735245432 kg/m
Estimated Weight per 12' Bar N/A 0.882 lbs0.4000684968 kg N/A 1.103 lbs0.5003124172 kg N/A 1.323 lbs0.6001027452 kg N/A 1.764 lbs0.8001369936 kg N/A 2.205 lbs1.000171242 kg
ASTM Specification N/A AMS 4173 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 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 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.