Aluminum 2024-T361

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Aluminum 2024-T361
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 Has largely superseded 2017 for structural applications.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-T361; UNS A92024; ISO AlCu4Mg1; NF A-U4G1 (France); DIN AlCuMg2, ASME SB211; CSA CG42 (Canada); AA2024-T361; Al2024-T361
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Physical Properties	Metric	English	Comments

Density	2.78 g/cc	0.100 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	130	130	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	163	163	Converted from Brinell Hardness Value
Hardness, Rockwell A	49.5	49.5	Converted from Brinell Hardness Value
Hardness, Rockwell B	80	80	Converted from Brinell Hardness Value
Hardness, Vickers	149	149	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	496 MPa	72000 psi	AA; Typical
	>= 455 MPa @Thickness 6.35 - 12.7 mm	>= 66000 psi @Thickness 0.250 - 0.500 in	Sheet and plate
	>= 460 MPa @Thickness 0.508 - 1.57 mm	>= 66700 psi @Thickness 0.0200 - 0.0620 in	Sheet and plate
	>= 470 MPa @Thickness 1.60 - 6.32 mm	>= 68200 psi @Thickness 0.0630 - 0.249 in	Sheet and plate
Tensile Strength, Yield	393 MPa	57000 psi	AA; Typical
	>= 340 MPa @Thickness 6.35 - 12.7 mm	>= 49300 psi @Thickness 0.250 - 0.500 in	Sheet and plate
	>= 345 MPa @Thickness 0.508 - 1.57 mm	>= 50000 psi @Thickness 0.0200 - 0.0620 in	Sheet and plate
	>= 350 MPa @Thickness 1.60 - 6.32 mm	>= 50800 psi @Thickness 0.0630 - 0.249 in	Sheet and plate
Elongation at Break	>= 8.0 % @Thickness 0.508 - 1.57 mm	>= 8.0 % @Thickness 0.0200 - 0.0620 in	Sheet and plate
	>= 9.0 % @Thickness 1.60 - 6.32 mm	>= 9.0 % @Thickness 0.0630 - 0.249 in	Sheet and plate
	9.0 - 10 % @Thickness 6.35 - 12.7 mm	9.0 - 10 % @Thickness 0.250 - 0.500 in	Sheet and plate
	13 % @Thickness 1.59 mm	13 % @Thickness 0.0625 in	AA; Typical
Modulus of Elasticity	73.1 GPa	10600 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poissons Ratio	0.33	0.33
Fatigue Strength	124 MPa @# of Cycles 5.00e+8	18000 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 GPa	4060 ksi
Shear Strength	290 MPa	42000 psi	AA; Typical

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000582 ohm-cm @Temperature 20.0 °C	0.00000582 ohm-cm @Temperature 68.0 °F	AA; Typical

Thermal Properties	Metric	English	Comments
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-°C	0.209 BTU/lb-°F
Thermal Conductivity	121 W/m-K	840 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	502 - 638 °C	935 - 1180 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus	502 °C	935 °F	AA; Typical
Liquidus	638 °C	1180 °F	AA; Typical

Processing Properties	Metric	English	Comments
Annealing Temperature	413 °C	775 °F
Solution Temperature	493 °C	919 °F
Aging Temperature	191 °C	375 °F	8 to 16 hr at temperature

Component Elements Properties	Metric	English	Comments
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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MA2024T361 / 8866

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