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Aluminum 2024-T3
Categories: Metal; Nonferrous Metal; Aluminum Alloy; 2000 Series Aluminum Alloy
Material Notes: General 2024 characteristics and uses (from Alcoa): Good machinability and surface finish capabilities. A high strength material of adequate workability. Has largely superseded 2017 for structural applications.

Uses: Aircraft fittings, gears and shafts, bolts, clock parts, computer parts, couplings, fuse parts, hydraulic valve bodies, missile parts, munitions, nuts, pistons, rectifier parts, worm gears, fastening devices, veterinary and orthopedic equipment, structures.

Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.

Composition Notes:
A Zr + Ti limit of 0.20 percent maximum may be used with this alloy designation for extruded and forged products only, but only when the supplier and the purchaser have mutually agreed.
Composition information provided by the Aluminum Association and is not for design.
Key Words: Aluminium 2024-T3; UNS A92024; ISO AlCu4Mg1; NF A-U4G1 (France); DIN AlCuMg2; AA2024-T3, ASME SB211; CSA CG42 (Canada); Al2024-T3
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Physical PropertiesOriginal ValueComments
Density 2.78 g/ccAA; Typical
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 120AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop 150Converted from Brinell Hardness Value
Hardness, Rockwell A 46.8Converted from Brinell Hardness Value
Hardness, Rockwell B 75Converted from Brinell Hardness Value
Hardness, Vickers 137Converted from Brinell Hardness Value
Tensile Strength, Ultimate 70.0 ksiAA; Typical
 >= 440 MPaDrawn tube
 >= 475 MPaWire, rod, and bar (rolled or cold finished); T36
 34.0 MPa
@Temperature 371 °C
 52.0 MPa
@Temperature 316 °C
 76.0 MPa
@Temperature 260 °C
 186 MPa
@Temperature 204 °C
 379 MPa
@Temperature 149 °C
 455 MPa
@Temperature 100 °C
 483 MPa
@Temperature 24.0 °C
 496 MPa
@Temperature -28.0 °C
 503 MPa
@Temperature -80.0 °C
 586 MPa
@Temperature -196 °C
 >= 435 MPa
@Thickness 0.203 - 3.25 mm		Flat sheet
 >= 440 MPa
@Thickness 3.28 - 6.32 mm		Flat sheet
 >= 395 MPa
@Diameter <=6.32 mm		Wire, rod, bar and shapes (extruded)
 >= 395 MPa
@Diameter <=6.32 mm		Extruded tube
 >= 415 MPa
@Diameter 6.35 - 19.0 mm		Wire, rod, bar and shapes (extruded)
 >= 415 MPa
@Diameter 6.35 - 19.0 mm		Extruded tube
 >= 450 MPa
@Diameter 19.0 - 38.07 mm		Wire, rod, bar and shapes (extruded)
 >= 450 MPa
@Diameter 19.0 - 38.07 mm		Extruded tube
 >= 470 MPa
@Diameter >=38.1 mm		Wire, rod, bar and shapes (extruded); Area 25-32 in2
 >= 470 MPa
@Diameter >=38.1 mm		Extruded tube; Area 25-32 in2
 >= 485 MPa
@Diameter >=38.1 mm		Wire, rod, bar and shapes (extruded); Area <25 in2
 >= 485 MPa
@Diameter >=38.1 mm		Extruded tube; Area <25 in2
Tensile Strength, Yield 50.0 ksiAA; Typical
 >= 290 MPaDrawn tube
 >= 360 MPaWire, rod, and bar (rolled or cold finished); T36
 >= 290 MPa
@Thickness 0.203 - 3.25 mm		Flat sheet
 >= 290 MPa
@Thickness 3.28 - 6.32 mm		Flat sheet
 >= 290 MPa
@Diameter <=6.32 mm		Wire, rod, bar and shapes (extruded)
 >= 290 MPa
@Diameter <=6.32 mm		Extruded tube
 >= 305 MPa
@Diameter 6.35 - 19.0 mm		Wire, rod, bar and shapes (extruded)
 >= 305 MPa
@Diameter 6.35 - 19.0 mm		Extruded tube
 >= 315 MPa
@Diameter 19.0 - 38.07 mm		Wire, rod, bar and shapes (extruded)
 >= 315 MPa
@Diameter 19.0 - 38.07 mm		Extruded tube
 >= 315 MPa
@Diameter >=38.1 mm		Extruded tube; Area 25-32 in2
 >= 330 MPa
@Diameter >=38.1 mm		Wire, rod, bar and shapes (extruded); Area 25-32 in2
 >= 330 MPa
@Diameter >=38.1 mm		Extruded tube; Area <25 in2
 >= 360 MPa
@Diameter >=38.1 mm		Wire, rod, bar and shapes (extruded); Area <25 in2
 28.0 MPa
@Strain 0.2 %,
Temperature 371 °C
 41.0 MPa
@Strain 0.2 %,
Temperature 316 °C
 62.0 MPa
@Strain 0.2 %,
Temperature 260 °C
 138 MPa
@Strain 0.2 %,
Temperature 204 °C
 310 MPa
@Strain 0.2 %,
Temperature 149 °C
 331 MPa
@Strain 0.2 %,
Temperature 100 °C
 345 MPa
@Strain 0.2 %,
Temperature 24.0 °C
 352 MPa
@Strain 0.2 %,
Temperature -28.0 °C
 359 MPa
@Strain 0.2 %,
Temperature -80.0 °C
 427 MPa
@Strain 0.2 %,
Temperature -196 °C
Elongation at Break >= 10 %Wire, rod, and bar (rolled or cold finished); T36
 10 - 16 %Drawn tube
 11 %
@Temperature 149 °C
 16 %
@Temperature 100 °C
 17 %
@Temperature -80.0 °C
 17 %
@Temperature -28.0 °C
 17 %
@Temperature 24.0 °C
 18 %
@Temperature -196 °C
 23 %
@Temperature 204 °C
 55 %
@Temperature 260 °C
 75 %
@Temperature 316 °C
 100 %
@Temperature 371 °C
 10 - 15 %
@Thickness 0.203 - 3.25 mm		Flat sheet
 >= 15 %
@Thickness 3.28 - 6.32 mm		Flat sheet
 18 %
@Thickness 1.59 mm		AA; Typical
 >= 8.0 %
@Diameter >=38.1 mm		Extruded tube; Area 25-32 in2
 >= 8.0 %
@Diameter >=38.1 mm		Wire, rod, bar and shapes (extruded); Area 25-32 in2
 >= 10 %
@Diameter 19.0 - 38.07 mm		Wire, rod, bar and shapes (extruded)
 >= 10 %
@Diameter >=38.1 mm		Wire, rod, bar and shapes (extruded); Area <25 in2
 >= 10 %
@Diameter <=6.32 mm		Extruded tube
 >= 10 %
@Diameter 6.35 - 19.0 mm		Extruded tube
 >= 10 %
@Diameter 19.0 - 38.07 mm		Extruded tube
 >= 10 %
@Diameter >=38.1 mm		Extruded tube; Area <25 in2
 >= 12 %
@Diameter <=6.32 mm		Wire, rod, bar and shapes (extruded)
 >= 12 %
@Diameter 6.35 - 19.0 mm		Wire, rod, bar and shapes (extruded)
Modulus of Elasticity 10600 ksiAA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Notched Tensile Strength 379 MPa2.5 cm width x 0.16 cm thick side-notched specimen, Kt = 17.
Ultimate Bearing Strength 855 MPaEdge distance/pin diameter = 2.0
Bearing Yield Strength 524 MPaEdge distance/pin diameter = 2.0
Poissons Ratio 0.33
Fatigue Strength 20000 psi
@# of Cycles 5.00e+8 		completely reversed stress; RR Moore machine/specimen
Machinability 70 %0-100 Scale of Aluminum Alloys
Shear Modulus 28.0 GPa
Shear Strength 41.0 ksiAA; Typical
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 35.0 ohm-cir-mil/ft
@Temperature 20.0 °C		AA; Typical
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.9 µin/in-°F
@Temperature 20.0 - 100 °C		AA; Typical; average over range
 21.1 µm/m-°C
@Temperature -50.0 - 20.0 °C
 22.9 µm/m-°C
@Temperature 20.0 - 100 °C
 23.8 µm/m-°C
@Temperature 20.0 - 200 °C
 24.7 µm/m-°C
@Temperature 20.0 - 300 °C
Specific Heat Capacity 0.875 J/g-°C
Thermal Conductivity 840 BTU-in/hr-ft²-°FAA; Typical at 77°F
Melting Point 935 - 1180 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus 935 °FAA; Typical
Liquidus 1180 °FAA; Typical
 
Processing PropertiesOriginal ValueComments
Annealing Temperature 775 °F
Solution Temperature 493 °C
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 90.7 - 94.7 %As remainder
Chromium, Cr <= 0.10 %
Copper, Cu 3.8 - 4.9 %
Iron, Fe <= 0.50 %
Magnesium, Mg 1.2 - 1.8 %
Manganese, Mn 0.30 - 0.90 %
Other, each <= 0.05 %
Other, total <= 0.15 %
Silicon, Si <= 0.50 %
Titanium, Ti <= 0.15 %
Zinc, Zn <= 0.25 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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