Aluminum 2024-T6

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Aluminum 2024-T6
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 2000 Series Aluminum Alloy
Material Notes:	Weldability = C; Stress Corrosion Cracking Resistance = B; General Corrosion Resistance = D (A = best; E = worst). 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 Has largely superseded 2017 for structural applications.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. Some data provided by Alcoa. 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-T6; UNS A92024; ISO AlCu4Mg1; AA2024-T6; Al2024-T6
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Physical Properties	Original Value	Comments

Density	2.78 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	125	500 kg load/10 mm ball
Hardness, Knoop	157	Estimated from Brinell
Hardness, Rockwell A	48	Estimated from Brinell
Hardness, Rockwell B	78	Estimated from Brinell
Hardness, Vickers	142	Estimated from Brinell
Tensile Strength, Ultimate	>= 415 MPa	Wire, rod, and bar (rolled or cold finished); T62
	>= 425 MPa	Wire, rod, and bar (rolled or cold finished)
	>= 427 MPa
	34.0 MPa @Temperature 371 °C
	52.0 MPa @Temperature 316 °C
	76.0 MPa @Temperature 260 °C
	179 MPa @Temperature 204 °C
	310 MPa @Temperature 149 °C
	448 MPa @Temperature 100 °C
	476 MPa @Temperature 24.0 °C
	483 MPa @Temperature -28.0 °C
	496 MPa @Temperature -80.0 °C
	579 MPa @Temperature -196 °C
	>= 435 MPa @Thickness 12.7 - 76.2 mm	Sheet and plate; T62
	>= 440 MPa @Thickness 0.254 - 12.7 mm	Sheet and plate; T62
Tensile Strength, Yield	>= 315 MPa	Wire, rod, and bar (rolled or cold finished); T62
	>= 345 MPa
	>= 345 MPa	Wire, rod, and bar (rolled or cold finished)
	>= 345 MPa @Thickness 0.254 - 12.7 mm	Sheet and plate; T62
	>= 345 MPa @Thickness 12.7 - 76.2 mm	Sheet and plate; T62
	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
	131 MPa @Strain 0.2 %, Temperature 204 °C
	248 MPa @Strain 0.2 %, Temperature 149 °C
	372 MPa @Strain 0.2 %, Temperature 100 °C
	393 MPa @Strain 0.2 %, Temperature 24.0 °C
	400 MPa @Strain 0.2 %, Temperature -28.0 °C
	407 MPa @Strain 0.2 %, Temperature -80.0 °C
	469 MPa @Strain 0.2 %, Temperature -196 °C
Elongation at Break	5.0 %
	>= 5.0 %	Wire, rod, and bar (rolled or cold finished)
	>= 5.0 %	Wire, rod, and bar (rolled or cold finished); T62
	10 % @Temperature -80.0 °C
	10 % @Temperature -28.0 °C
	10 % @Temperature 24.0 °C
	10 % @Temperature 100 °C
	11 % @Temperature -196 °C
	17 % @Temperature 149 °C
	27 % @Temperature 204 °C
	55 % @Temperature 260 °C
	75 % @Temperature 316 °C
	100 % @Temperature 371 °C
	>= 5.0 % @Thickness 0.254 - 12.7 mm	Sheet and plate; T62
	>= 5.0 % @Thickness 12.7 - 76.2 mm	Sheet and plate; T62
Modulus of Elasticity	72.4 GPa	Estimated from other heat treatments.
Poissons Ratio	0.33	Estimated from other heat treatments.
Fatigue Strength	124 MPa @# of Cycles 5.00e+8	completely reversed; R. R. Moore Machine and specimen.
Machinability	70 %	0-100 Scale (A=90; B=70; C=50; D=30; E=10)
Shear Modulus	27.0 GPa	Estimated from similar Al alloys.
Shear Strength	283 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	27.0 ohm-cir-mil/ft @Temperature 20.0 °C	AA; Typical

Thermal Properties	Original Value	Comments
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	1050 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	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	935 °F	AA; Typical
Liquidus	1180 °F	AA; Typical

Processing Properties	Original Value	Comments
Annealing Temperature	775 °F
Solution Temperature	493 °C
Aging Temperature	375 °F	8 to 16 hr at temperature

Component Elements Properties	Original Value	Comments
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.

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MA2024T6 / 8868

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