Aluminum 2011-T6

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Aluminum 2011-T6
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:	Aluminium 2011-T6; UNS A92011; QQ-A-225/3; NF A-U4Pb (France); DIN AlCuBiPb; BS FC1; AA2011-T6; Al2011-T6
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Physical Properties	Original Value	Comments

Density	2.83 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	97	500 kg load with 10 mm ball
Hardness, Knoop	122	Converted from Brinell Hardness Value
Hardness, Rockwell A	40.4	Converted from Brinell Hardness Value
Hardness, Rockwell B	61	Converted from Brinell Hardness Value
Hardness, Vickers	109	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	395 MPa
Tensile Strength, Yield	270 MPa
Elongation at Break	17 % @Thickness 1.60 mm	In 5 cm
Modulus of Elasticity	70.0 GPa	Average of Tension and Compression. In Al alloys, the compressive modulus is typically 2% greater than the tensile modulus
Poissons Ratio	0.33
Fatigue Strength	125 MPa @# of Cycles 5.00e+8
Shear Modulus	26.0 GPa
Shear Strength	235 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000400 ohm-cm	Estimated from other heat treatments.

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	170 W/m-K	Estimated from trends in similar alloys.
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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MA2011T6 / 8835

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