2024 is one of the best known of the high strength aluminum alloys. With its high strength and excellent fatigue resistance, it is used to advantage on structures and parts where good strength-to-weight ratio is desired. It is readily machined to a high finish. It is readily formed in the annealed condition and may be subsequently heat treated. Arc or gas welding is generally not recommended, although this alloy may be spot, seam or flash welded. Since corrosion resistance is relatively low, 2024 is commonly used with an anodized finish or in clad form ("Alclad") with a thin surface layer of high purity aluminum. Applications: aircraft structural components, aircraft fittings, hardware, truck wheels and parts for the transportation industry.

2024-T3 Bare
Interleaved and Stenciled
AMS-QQ-A-250/4 AMS 4037
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506450912-497007203-aluminum-coil-2

Aluminum Sheet - Series 2024-T3 Bare
506450912-497007203-aluminum-coil-2

Aluminum Sheet - Series 2024-T3 Bare
506450912-497007203-aluminum-coil-2

Aluminum Sheet - Series 2024-T3 Bare
506450912-497007203-aluminum-coil-2

Aluminum Sheet - Series 2024-T3 Bare
506450912-497007203-aluminum-coil-2

Aluminum Sheet - Series 2024-T3 Bare
Material N/A Aluminum
Shapeform N/A Sheets
Series N/A 2024-T3 Bare
Grade N/A 2024
Preparation N/A Interleaved and Stenciled
Temper N/A T3 Bare
Thickness N/A 0.025 inches0.6350 mm N/A 0.032 inches0.8128 mm N/A 0.040 inches1.016 mm N/A 0.050 inches1.27 mm N/A 0.063 inches1.6002 mm
Size N/A 48 x 144
Width N/A 48
Length N/A 144
Sheet Weight per Unit Area N/A 0.360 lbs/ft²1.75752 kg/m² N/A 0.461 lbs/ft²2.250602 kg/m² N/A 0.576 lbs/ft²2.812032 kg/m² N/A 0.720 lbs/ft²3.51504 kg/m² N/A 0.907 lbs/ft²4.427974 kg/m²
Weight per Sheet N/A 17.28 lbs7.838 kg N/A 22.12 lbs10.033 kg N/A 27.65 lbs12.542 kg N/A 34.56 lbs15.676 kg N/A 43.55 lbs19.754 kg
ASTM Specification N/A AMS 4037 AMS-QQ-A-250/4
Ultimate Strength N/A 70 ksi
Yield Strength N/A 50 ksi
Elongation percent in 2 inches N/A 18
Hardness Brinnel Number
N/A 120
Ultimate Shearing Strength N/A 41 ksi
Fatigue Endurance Limit1 N/A 20 ksi
Modulus of Elasticity2 N/A 10.6 x 106 ksi
Resistance to Corrosion - General3 N/A D
Stress Corrosion Cracking4 N/A C
Workability (Cold)5 N/A C
Mechinability N/A B
Brazeability6 N/A D
Gas Weldability7 N/A C
Arc Weldability8 N/A B
Resistance Spot and Seam Weldability9 N/A B
Applications N/A Truck wheels, screw machine products, aircraft structures
Density N/A 0.100 lbs/in³
Specific Gravity N/A 2.78
  • 1 Based on 500000.000 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.