Aluminum 2011-T3

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Aluminum 2011-T3
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 2000 Series Aluminum Alloy
Material Notes:	Information provided by Alcoa and the references. General 2011 characteristics and uses: Good machinability, especially free-cutting qualities, good mechanical properties. Excellent surface finish capability. The T451 temper offers good deep drilling characteristics. Uses: Adapters, carburetor parts, clock parts and gears, knobs, camera parts, meter shafts and gears, nozzles, pencil and pen parts, oil line filters, pipe stems and filters, radio parts, screwdriver caps, spindles, telephone parts, TV fittings, tripod fittings, machine parts, hose parts, pipe stems. Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN. Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	UNS A92011; QQ-A-225/3; NF A-U4Pb (France); DIN AlCuBiPb; BS FC1; AA2011-T3; Al2011-T3
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Physical Properties	Original Value	Comments

Density	2.83 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	95	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	120	Converted from Brinell Hardness Value
Hardness, Rockwell A	40	Converted from Brinell Hardness Value
Hardness, Rockwell B	60	Converted from Brinell Hardness Value
Hardness, Vickers	107	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	55.0 ksi	AA; Typical
	16.0 MPa @Temperature 371 °C
	21.0 MPa @Temperature 316 °C
	45.0 MPa @Temperature 260 °C
	110 MPa @Temperature 204 °C
	193 MPa @Temperature 149 °C
	324 MPa @Temperature 100 °C
	379 MPa @Temperature 24.0 °C
	>= 290 MPa @Thickness 50.83 - 82.5 mm, Temperature 20.0 °C	Rolled or cold finished wire, rod, and bar
	>= 295 MPa @Thickness 38.13 - 50.8 mm, Temperature 20.0 °C	Rolled or cold finished wire, rod, and bar
	>= 310 MPa @Thickness 3.17 - 38.1 mm, Temperature 20.0 °C	Rolled or cold finished wire, rod, and bar
Tensile Strength, Yield	43.0 ksi	AA; Typical
	>= 205 MPa @Thickness 50.83 - 82.5 mm	Rolled or cold finished wire, rod, and bar
	>= 235 MPa @Thickness 38.13 - 50.8 mm	Rolled or cold finished wire, rod, and bar
	>= 260 MPa @Thickness 3.17 - 38.1 mm	Rolled or cold finished wire, rod, and bar
	10.0 MPa @Strain 0.2 %, Temperature 371 °C
	12.0 MPa @Strain 0.2 %, Temperature 316 °C
	26.0 MPa @Strain 0.2 %, Temperature 260 °C
	76.0 MPa @Strain 0.2 %, Temperature 204 °C
	131 MPa @Strain 0.2 %, Temperature 149 °C
	234 MPa @Strain 0.2 %, Temperature 100 °C
	296 MPa @Strain 0.2 %, Temperature 24.0 °C
Elongation at Break	15 % @Temperature 24.0 °C
	16 % @Temperature 100 °C
	25 % @Temperature 149 °C
	35 % @Temperature 204 °C
	45 % @Temperature 260 °C
	90 % @Temperature 316 °C
	125 % @Temperature 371 °C
	>= 10 % @Thickness 3.17 - 38.1 mm	Rolled or cold finished wire, rod, and bar
	>= 12 % @Thickness 38.13 - 50.8 mm	Rolled or cold finished wire, rod, and bar
	>= 14 % @Thickness 50.83 - 82.5 mm	Rolled or cold finished wire, rod, and bar
	15 % @Diameter 12.7 mm	AA; Typical
Modulus of Elasticity	10200 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poissons Ratio	0.33
Fatigue Strength	18000 psi @# of Cycles 5.00e+8	completely reversed stress; RR Moore machine/specimen
Machinability	90 %	0-100 Scale of Aluminum Alloys
Shear Modulus	26.0 GPa
Shear Strength	32.0 ksi	AA; Typical

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	12.7 µin/in-°F @Temperature 20.0 - 100 °C	AA; Typical; average over range
	21.4 µm/m-°C @Temperature -50.0 - 20.0 °C
	24.0 µm/m-°C @Temperature 20.0 - 200 °C
	25.0 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.880 J/g-°C	Estimated from trends in similar Al alloys.
Thermal Conductivity	1050 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	1005 - 1190 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting can be eliminated by homogenization.
Solidus	1005 °F	AA; Typical
Liquidus	1190 °F	AA; Typical

Processing Properties	Original Value	Comments
Annealing Temperature	775 °F
Solution Temperature	975 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	91.2 - 94.6 %	As remainder
Bismuth, Bi	0.20 - 0.60 %
Copper, Cu	5.0 - 6.0 %
Iron, Fe	<= 0.70 %
Lead, Pb	0.20 - 0.60 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Silicon, Si	<= 0.40 %
Zinc, Zn	<= 0.30 %

References for this datasheet.

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MA2011T3 / 8834

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