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	Metric	English	Comments

Density	2.83 g/cc	0.102 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	97	97	500 kg load with 10 mm ball
Hardness, Knoop	122	122	Converted from Brinell Hardness Value
Hardness, Rockwell A	40.4	40.4	Converted from Brinell Hardness Value
Hardness, Rockwell B	61	61	Converted from Brinell Hardness Value
Hardness, Vickers	109	109	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	395 MPa	57300 psi
Tensile Strength, Yield	270 MPa	39200 psi
Elongation at Break	17 % @Thickness 1.60 mm	17 % @Thickness 0.0630 in	In 5 cm
Modulus of Elasticity	70.0 GPa	10200 ksi	Average of Tension and Compression. In Al alloys, the compressive modulus is typically 2% greater than the tensile modulus
Poissons Ratio	0.33	0.33
Fatigue Strength	125 MPa @# of Cycles 5.00e+8	18100 psi @# of Cycles 5.00e+8
Shear Modulus	26.0 GPa	3770 ksi
Shear Strength	235 MPa	34100 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000400 ohm-cm	0.00000400 ohm-cm	Estimated from other heat treatments.

Thermal Properties	Metric	English	Comments
CTE, linear	21.4 µm/m-°C @Temperature -50.0 - 20.0 °C	11.9 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	AA; Typical; average over range
	24.0 µm/m-°C @Temperature 20.0 - 200 °C	13.3 µin/in-°F @Temperature 68.0 - 392 °F
	25.0 µm/m-°C @Temperature 20.0 - 300 °C	13.9 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.880 J/g-°C	0.210 BTU/lb-°F	Estimated from trends in similar Al alloys.
Thermal Conductivity	170 W/m-K	1180 BTU-in/hr-ft²-°F	Estimated from trends in similar alloys.
Melting Point	540.6 - 643 °C	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	540.6 °C	1005 °F	AA; Typical
Liquidus	643 °C	1190 °F	AA; Typical

Processing Properties	Metric	English	Comments
Annealing Temperature	413 °C	775 °F
Solution Temperature	524 °C	975 °F

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

References for this datasheet.

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MA2011T6 / 8835

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