2011 is the most free-machining of the common aluminum alloys. It also has excellent mechanical properties. Thus, it is widely used for automatic screw machine products in parts requiring extensive machining.

2011-T3
AMS-OQ-A-225/3 ASTM B211 UNS A92011
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506450738-497007174-alum-hex-bar

Aluminum Hexagons - Series 2011-T3
506450738-497007174-alum-hex-bar

Aluminum Hexagons - Series 2011-T3
506450738-497007174-alum-hex-bar

Aluminum Hexagons - Series 2011-T3
506450738-497007174-alum-hex-bar

Aluminum Hexagons - Series 2011-T3
506450738-497007174-alum-hex-bar

Aluminum Hexagons - Series 2011-T3
Material N/A Aluminum
Shapeform N/A Hexagons
Series N/A 2011-T3
Grade N/A 2011
Temper N/A T3
Size N/A 1/4 inches N/A 5/16 inches N/A 3/8 inches N/A 7/16 inches N/A 1/2 inches
Size N/A 0.25 inches6.35 mm N/A 0.3125 inches7.9375 mm N/A 0.375 inches9.525 mm N/A 0.4375 inches11.1125 mm N/A 0.5 inches12.7 mm
Estimated Weight N/A 0.0662 lbs/ft0.0985164568 kg/m N/A 0.1035 lbs/ft0.154024974 kg/m N/A 0.1491 lbs/ft0.2218852524 kg/m N/A 0.2029 lbs/ft0.3019484756 kg/m N/A 0.2650 lbs/ft0.39436346 kg/m
Estimated Weight per 12' Bar N/A 0.795 lbs0.360605958 kg N/A 1.242 lbs0.5633617608 kg N/A 1.789 lbs0.8114768036 kg N/A 2.435 lbs1.104497494 kg N/A 3.180 lbs1.442423832 kg
ASTM Specification N/A AMS-QQ-A-225/3 ASTM B211 UNS A92011
Ultimate Strength N/A 55 ksi
Yield Strength N/A 43 ksi
Elongation percent in 2 inches N/A 15
Hardness Brinnel Number
N/A 95
Ultimate Shearing Strength N/A 32 ksi
Fatigue Endurance Limit1 N/A 18 ksi
Modulus of Elasticity2 N/A 10.2 x 104 ksi
Resistance to Corrosion - General3 N/A D
Stress Corrosion Cracking4 N/A D
Workability (Cold)5 N/A C
Mechinability N/A A
Brazeability6 N/A D
Gas Weldability7 N/A D
Arc Weldability8 N/A D
Resistance Spot and Seam Weldability9 N/A D
Applications N/A Screw machine products
Density N/A 0.102 lbs/in³
Specific Gravity N/A 2.83
  • 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.
    In relatively thick sections, the rating would be E
  • 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.