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Ensinger PEI

Aluminum 2024-T86
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 Has largely superseded 2017 for structural applications.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-T86; UNS A92024; ISO AlCu4Mg1; NF A-U4G1 (France); DIN AlCuMg2; AA2024-T86, ASME SB211; CSA CG42 (Canada); Al2024-T86
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 2.78 g/cc0.100 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 135135500 kg load with 10 mm ball
Hardness, Knoop 170170Converted from Brinell Hardness Value
Hardness, Rockwell A 50.650.6Converted from Brinell Hardness Value
Hardness, Rockwell B 8282Converted from Brinell Hardness Value
Hardness, Vickers 155155Converted from Brinell Hardness Value
Tensile Strength, Ultimate 515 MPa74700 psi
Tensile Strength, Yield 440 MPa63800 psi
Elongation at Break 6.0 %
@Thickness 1.60 mm		6.0 %
@Thickness 0.0630 in		In 5 cm
Modulus of Elasticity 72.4 GPa10500 ksiAverage of Tension and Compression. In Al alloys, the compressive modulus is typically 2% greater than the tensile modulus
Poissons Ratio 0.330.33
Fatigue Strength 125 MPa
@# of Cycles 5.00e+8 		18100 psi
@# of Cycles 5.00e+8
Shear Modulus 28.0 GPa4060 ksi
Shear Strength 310 MPa45000 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000450 ohm-cm0.00000450 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear  21.1 µm/m-°C
@Temperature -50.0 - 20.0 °C		11.7 µin/in-°F
@Temperature -58.0 - 68.0 °F
 22.9 µm/m-°C
@Temperature 20.0 - 100 °C		12.7 µin/in-°F
@Temperature 68.0 - 212 °F
 23.2 µm/m-°C
@Temperature 20.0 - 100 °C		12.9 µin/in-°F
@Temperature 68.0 - 212 °F		AA; Typical; average over range
 23.8 µm/m-°C
@Temperature 20.0 - 200 °C		13.2 µin/in-°F
@Temperature 68.0 - 392 °F
 24.7 µm/m-°C
@Temperature 20.0 - 300 °C		13.7 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.875 J/g-°C0.209 BTU/lb-°F
Thermal Conductivity 151 W/m-K1050 BTU-in/hr-ft²-°F
Melting Point 502 - 638 °C935 - 1180 °FAA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus 502 °C935 °FAA; Typical
Liquidus 638 °C1180 °FAA; Typical
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 413 °C775 °F
Solution Temperature 493 °C919 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 90.7 - 94.7 %90.7 - 94.7 %As remainder
Chromium, Cr <= 0.10 %<= 0.10 %
Copper, Cu 3.8 - 4.9 %3.8 - 4.9 %
Iron, Fe <= 0.50 %<= 0.50 %
Magnesium, Mg 1.2 - 1.8 %1.2 - 1.8 %
Manganese, Mn 0.30 - 0.90 %0.30 - 0.90 %
Other, each <= 0.05 %<= 0.05 %
Other, total <= 0.15 %<= 0.15 %
Silicon, Si <= 0.50 %<= 0.50 %
Titanium, Ti <= 0.15 %<= 0.15 %
Zinc, Zn <= 0.25 %<= 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 view all the property values for this datasheet as they were originally entered into MatWeb.

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