Aluminum 6066-T6; 6066-T651

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Aluminum 6066-T6; 6066-T651
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 6000 Series Aluminum Alloy
Material Notes:	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 A96066; Aluminium 6066-T651; AA6066-T6; Al6066-T6
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Physical Properties	Metric	English	Comments

Density	2.72 g/cc	0.0983 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	120	120	AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop	150	150	Converted from Brinell Hardness Value
Hardness, Rockwell A	47	47	Converted from Brinell Hardness Value
Hardness, Rockwell B	75	75	Converted from Brinell Hardness Value
Hardness, Vickers	137	137	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	393 MPa	57000 psi	AA; Typical
Tensile Strength, Yield	359 MPa	52000 psi	AA; Typical
Elongation at Break	12 % @Diameter 12.7 mm	12 % @Diameter 0.500 in	AA; Typical
Modulus of Elasticity	68.9 GPa	10000 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poissons Ratio	0.33	0.33	Estimated from trends in similar Al alloys.
Fatigue Strength	110 MPa @# of Cycles 5.00e+8	16000 psi @# of Cycles 5.00e+8	completely reversed stress; RR Moore machine/specimen
Machinability	70 %	70 %	0-100 Scale of Aluminum Alloys
Shear Modulus	26.0 GPa	3770 ksi	Estimated from similar Al alloys.
Shear Strength	234 MPa	34000 psi	AA; Typical

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000465 ohm-cm @Temperature 20.0 °C	0.00000465 ohm-cm @Temperature 68.0 °F	AA; Typical

Thermal Properties	Metric	English	Comments
CTE, linear	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
	24.8 µm/m-°C @Temperature 20.0 - 300 °C	13.8 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.887 J/g-°C	0.212 BTU/lb-°F
Thermal Conductivity	147 W/m-K	1020 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	562.8 - 646.1 °C	1045 - 1195 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus	562.8 °C	1045 °F	AA; Typical
Liquidus	646.1 °C	1195 °F	AA; Typical

Processing Properties	Metric	English	Comments
Annealing Temperature	414 °C	778 °F	hold at temperature 2 to 3 hr
Solution Temperature	532 °C	990 °F	followed by quenching
Aging Temperature	177 °C	350 °F	hold at temperature 8 hr

Component Elements Properties	Metric	English	Comments
Aluminum, Al	93 - 97 %	93 - 97 %	As remainder
Chromium, Cr	<= 0.40 %	<= 0.40 %
Copper, Cu	0.70 - 1.2 %	0.70 - 1.2 %
Iron, Fe	<= 0.50 %	<= 0.50 %
Magnesium, Mg	0.80 - 1.4 %	0.80 - 1.4 %
Manganese, Mn	0.60 - 1.1 %	0.60 - 1.1 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	0.90 - 1.8 %	0.90 - 1.8 %
Titanium, Ti	<= 0.20 %	<= 0.20 %
Zinc, Zn	<= 0.25 %	<= 0.25 %

References for this datasheet.

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MA6066T6 / 9409

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