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 Has largely superseded 2017 for structural applications.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 PropertiesMetricEnglishComments
Density 2.78 g/cc0.100 lb/in³AA; Typical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 120120AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop 150150Converted from Brinell Hardness Value
Hardness, Rockwell A 46.846.8Converted from Brinell Hardness Value
Hardness, Rockwell B 7575Converted from Brinell Hardness Value
Hardness, Vickers 137137Converted from Brinell Hardness Value
Tensile Strength, Ultimate >= 440 MPa>= 63800 psiDrawn tube
 >= 475 MPa>= 68900 psiWire, rod, and bar (rolled or cold finished); T36
 483 MPa70000 psiAA; Typical
 34.0 MPa
@Temperature 371 °C
4930 psi
@Temperature 700 °F
 52.0 MPa
@Temperature 316 °C
7540 psi
@Temperature 601 °F
 76.0 MPa
@Temperature 260 °C
11000 psi
@Temperature 500 °F
 186 MPa
@Temperature 204 °C
27000 psi
@Temperature 399 °F
 379 MPa
@Temperature 149 °C
55000 psi
@Temperature 300 °F
 455 MPa
@Temperature 100 °C
66000 psi
@Temperature 212 °F
 483 MPa
@Temperature 24.0 °C
70100 psi
@Temperature 75.2 °F
 496 MPa
@Temperature -28.0 °C
71900 psi
@Temperature -18.4 °F
 503 MPa
@Temperature -80.0 °C
73000 psi
@Temperature -112 °F
 586 MPa
@Temperature -196 °C
85000 psi
@Temperature -321 °F
 >= 435 MPa
@Thickness 0.203 - 3.25 mm
>= 63100 psi
@Thickness 0.00800 - 0.128 in
Flat sheet
 >= 440 MPa
@Thickness 3.28 - 6.32 mm
>= 63800 psi
@Thickness 0.129 - 0.249 in
Flat sheet
 >= 395 MPa
@Diameter <=6.32 mm
>= 57300 psi
@Diameter <=0.249 in
Wire, rod, bar and shapes (extruded)
 >= 395 MPa
@Diameter <=6.32 mm
>= 57300 psi
@Diameter <=0.249 in
Extruded tube
 >= 415 MPa
@Diameter 6.35 - 19.0 mm
>= 60200 psi
@Diameter 0.250 - 0.749 in
Wire, rod, bar and shapes (extruded)
 >= 415 MPa
@Diameter 6.35 - 19.0 mm
>= 60200 psi
@Diameter 0.250 - 0.749 in
Extruded tube
 >= 450 MPa
@Diameter 19.0 - 38.07 mm
>= 65300 psi
@Diameter 0.750 - 1.499 in
Wire, rod, bar and shapes (extruded)
 >= 450 MPa
@Diameter 19.0 - 38.07 mm
>= 65300 psi
@Diameter 0.750 - 1.499 in
Extruded tube
 >= 470 MPa
@Diameter >=38.1 mm
>= 68200 psi
@Diameter >=1.50 in
Wire, rod, bar and shapes (extruded); Area 25-32 in2
 >= 470 MPa
@Diameter >=38.1 mm
>= 68200 psi
@Diameter >=1.50 in
Extruded tube; Area 25-32 in2
 >= 485 MPa
@Diameter >=38.1 mm
>= 70300 psi
@Diameter >=1.50 in
Wire, rod, bar and shapes (extruded); Area <25 in2
 >= 485 MPa
@Diameter >=38.1 mm
>= 70300 psi
@Diameter >=1.50 in
Extruded tube; Area <25 in2
Tensile Strength, Yield >= 290 MPa>= 42100 psiDrawn tube
 345 MPa50000 psiAA; Typical
 >= 360 MPa>= 52200 psiWire, rod, and bar (rolled or cold finished); T36
 >= 290 MPa
@Thickness 0.203 - 3.25 mm
>= 42100 psi
@Thickness 0.00800 - 0.128 in
Flat sheet
 >= 290 MPa
@Thickness 3.28 - 6.32 mm
>= 42100 psi
@Thickness 0.129 - 0.249 in
Flat sheet
 >= 290 MPa
@Diameter <=6.32 mm
>= 42100 psi
@Diameter <=0.249 in
Wire, rod, bar and shapes (extruded)
 >= 290 MPa
@Diameter <=6.32 mm
>= 42100 psi
@Diameter <=0.249 in
Extruded tube
 >= 305 MPa
@Diameter 6.35 - 19.0 mm
>= 44200 psi
@Diameter 0.250 - 0.749 in
Wire, rod, bar and shapes (extruded)
 >= 305 MPa
@Diameter 6.35 - 19.0 mm
>= 44200 psi
@Diameter 0.250 - 0.749 in
Extruded tube
 >= 315 MPa
@Diameter 19.0 - 38.07 mm
>= 45700 psi
@Diameter 0.750 - 1.499 in
Wire, rod, bar and shapes (extruded)
 >= 315 MPa
@Diameter 19.0 - 38.07 mm
>= 45700 psi
@Diameter 0.750 - 1.499 in
Extruded tube
 >= 315 MPa
@Diameter >=38.1 mm
>= 45700 psi
@Diameter >=1.50 in
Extruded tube; Area 25-32 in2
 >= 330 MPa
@Diameter >=38.1 mm
>= 47900 psi
@Diameter >=1.50 in
Wire, rod, bar and shapes (extruded); Area 25-32 in2
 >= 330 MPa
@Diameter >=38.1 mm
>= 47900 psi
@Diameter >=1.50 in
Extruded tube; Area <25 in2
 >= 360 MPa
@Diameter >=38.1 mm
>= 52200 psi
@Diameter >=1.50 in
Wire, rod, bar and shapes (extruded); Area <25 in2
 28.0 MPa
@Strain 0.200 %,
Temperature 371 °C
4060 psi
@Strain 0.200 %,
Temperature 700 °F
 41.0 MPa
@Strain 0.200 %,
Temperature 316 °C
5950 psi
@Strain 0.200 %,
Temperature 601 °F
 62.0 MPa
@Strain 0.200 %,
Temperature 260 °C
8990 psi
@Strain 0.200 %,
Temperature 500 °F
 138 MPa
@Strain 0.200 %,
Temperature 204 °C
20000 psi
@Strain 0.200 %,
Temperature 399 °F
 310 MPa
@Strain 0.200 %,
Temperature 149 °C
45000 psi
@Strain 0.200 %,
Temperature 300 °F
 331 MPa
@Strain 0.200 %,
Temperature 100 °C
48000 psi
@Strain 0.200 %,
Temperature 212 °F
 345 MPa
@Strain 0.200 %,
Temperature 24.0 °C
50000 psi
@Strain 0.200 %,
Temperature 75.2 °F
 352 MPa
@Strain 0.200 %,
Temperature -28.0 °C
51100 psi
@Strain 0.200 %,
Temperature -18.4 °F
 359 MPa
@Strain 0.200 %,
Temperature -80.0 °C
52100 psi
@Strain 0.200 %,
Temperature -112 °F
 427 MPa
@Strain 0.200 %,
Temperature -196 °C
61900 psi
@Strain 0.200 %,
Temperature -321 °F
Elongation at Break >= 10 %>= 10 %Wire, rod, and bar (rolled or cold finished); T36
 10 - 16 %10 - 16 %Drawn tube
 11 %
@Temperature 149 °C
11 %
@Temperature 300 °F
 16 %
@Temperature 100 °C
16 %
@Temperature 212 °F
 17 %
@Temperature -80.0 °C
17 %
@Temperature -112 °F
 17 %
@Temperature -28.0 °C
17 %
@Temperature -18.4 °F
 17 %
@Temperature 24.0 °C
17 %
@Temperature 75.2 °F
 18 %
@Temperature -196 °C
18 %
@Temperature -321 °F
 23 %
@Temperature 204 °C
23 %
@Temperature 399 °F
 55 %
@Temperature 260 °C
55 %
@Temperature 500 °F
 75 %
@Temperature 316 °C
75 %
@Temperature 601 °F
 100 %
@Temperature 371 °C
100 %
@Temperature 700 °F
 10 - 15 %
@Thickness 0.203 - 3.25 mm
10 - 15 %
@Thickness 0.00800 - 0.128 in
Flat sheet
 >= 15 %
@Thickness 3.28 - 6.32 mm
>= 15 %
@Thickness 0.129 - 0.249 in
Flat sheet
 18 %
@Thickness 1.59 mm
18 %
@Thickness 0.0625 in
AA; Typical
 >= 8.0 %
@Diameter >=38.1 mm
>= 8.0 %
@Diameter >=1.50 in
Extruded tube; Area 25-32 in2
 >= 8.0 %
@Diameter >=38.1 mm
>= 8.0 %
@Diameter >=1.50 in
Wire, rod, bar and shapes (extruded); Area 25-32 in2
 >= 10 %
@Diameter 19.0 - 38.07 mm
>= 10 %
@Diameter 0.750 - 1.499 in
Wire, rod, bar and shapes (extruded)
 >= 10 %
@Diameter >=38.1 mm
>= 10 %
@Diameter >=1.50 in
Wire, rod, bar and shapes (extruded); Area <25 in2
 >= 10 %
@Diameter <=6.32 mm
>= 10 %
@Diameter <=0.249 in
Extruded tube
 >= 10 %
@Diameter 6.35 - 19.0 mm
>= 10 %
@Diameter 0.250 - 0.749 in
Extruded tube
 >= 10 %
@Diameter 19.0 - 38.07 mm
>= 10 %
@Diameter 0.750 - 1.499 in
Extruded tube
 >= 10 %
@Diameter >=38.1 mm
>= 10 %
@Diameter >=1.50 in
Extruded tube; Area <25 in2
 >= 12 %
@Diameter <=6.32 mm
>= 12 %
@Diameter <=0.249 in
Wire, rod, bar and shapes (extruded)
 >= 12 %
@Diameter 6.35 - 19.0 mm
>= 12 %
@Diameter 0.250 - 0.749 in
Wire, rod, bar and shapes (extruded)
Modulus of Elasticity 73.1 GPa10600 ksiAA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Notched Tensile Strength 379 MPa55000 psi2.5 cm width x 0.16 cm thick side-notched specimen, Kt = 17.
Ultimate Bearing Strength 855 MPa124000 psiEdge distance/pin diameter = 2.0
Bearing Yield Strength 524 MPa76000 psiEdge distance/pin diameter = 2.0
Poissons Ratio 0.330.33
Fatigue Strength 138 MPa
@# of Cycles 5.00e+8
20000 psi
@# of Cycles 5.00e+8
completely reversed stress; RR Moore machine/specimen
Machinability 70 %70 %0-100 Scale of Aluminum Alloys
Shear Modulus 28.0 GPa4060 ksi
Shear Strength 283 MPa41000 psiAA; Typical
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000582 ohm-cm
@Temperature 20.0 °C
0.00000582 ohm-cm
@Temperature 68.0 °F
AA; Typical
 
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 121 W/m-K840 BTU-in/hr-ft²-°FAA; Typical at 77°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.

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