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Master Bond adhesives

Alclad Aluminum 2024-T861
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 Has largely superseded 2017 for structural applications.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. Intrinsic corrosion resistance of 2024 is low for an aluminum alloy, so the clad version is used where needed.

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

Composition Notes: Composition for AA 2024 (not Alclad 2024).
Composition information provided by the Aluminum Association and is not for design.
Key Words: UNS A82024; Alclad 2024-T861; Alclad 2024-T861; Al2024-T861
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Physical PropertiesMetricEnglishComments
Density 2.78 g/cc0.100 lb/in³For AA2024 (Not Alclad)
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 483 MPa70000 psiAA; Typical
 >= 440 MPa
@Thickness 0.508 - 1.57 mm		>= 63800 psi
@Thickness 0.0200 - 0.0620 in		Sheet and plate
 >= 470 MPa
@Thickness 6.35 - 12.7 mm		>= 68200 psi
@Thickness 0.250 - 0.499 in		Sheet and plate
 >= 475 MPa
@Thickness 1.60 - 6.32 mm		>= 68900 psi
@Thickness 0.0630 - 0.249 in		Sheet and plate
 >= 485 MPa
@Thickness >=12.7 mm		>= 70300 psi
@Thickness >=0.500 in		Sheet and plate
Tensile Strength, Yield 455 MPa66000 psiAA; Typical
 >= 400 MPa
@Thickness 0.508 - 1.57 mm		>= 58000 psi
@Thickness 0.0200 - 0.0620 in		Sheet and plate
 >= 425 MPa
@Thickness 6.35 - 12.7 mm		>= 61600 psi
@Thickness 0.250 - 0.499 in		Sheet and plate
 >= 440 MPa
@Thickness 1.60 - 6.32 mm		>= 63800 psi
@Thickness 0.0630 - 0.249 in		Sheet and plate
 >= 440 MPa
@Thickness >=12.7 mm		>= 63800 psi
@Thickness >=0.500 in		Sheet and plate
Elongation at Break  >= 3.0 %
@Thickness 0.508 - 1.57 mm		>= 3.0 %
@Thickness 0.0200 - 0.0620 in		Sheet and plate
 >= 4.0 %
@Thickness 1.60 - 6.32 mm		>= 4.0 %
@Thickness 0.0630 - 0.249 in		Sheet and plate
 >= 4.0 %
@Thickness 6.35 - 12.7 mm		>= 4.0 %
@Thickness 0.250 - 0.499 in		Sheet and plate
 >= 4.0 %
@Thickness >=12.7 mm		>= 4.0 %
@Thickness >=0.500 in		Sheet and plate
 6.0 %
@Thickness 1.59 mm		6.0 %
@Thickness 0.0625 in		AA; Typical
Modulus of Elasticity 73.1 GPa10600 ksiAA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poissons Ratio <= 0.33<= 0.33
Shear Modulus 28.0 GPa4060 ksi
Shear Strength 290 MPa42000 psiAA; Typical
 
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
 23.8 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
 
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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MA2024AT86 / 8863




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