Aluminum 8090-T8771 and 8090-T651

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Aluminum 8090-T8771 and 8090-T651
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; Other Wrought Al Alloy
Material Notes:	Peak aged. Common heat treatment for medium-strength plate. 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:	AA8090-T8771; AA8090-T651; UNS A98090, Aluminium 8090-T8771; Aluminium 8090-T651; AlLi; Aluminum Lithium Alloy; Al8090-T8771
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Physical Properties	Metric	English	Comments

Density	2.54 g/cc	0.0918 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	138	138	500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop	174	174	Converted from Brinell Hardness Value
Hardness, Rockwell A	51.2	51.2	Converted from Brinell Hardness Value
Hardness, Rockwell B	83	83	Converted from Brinell Hardness Value
Hardness, Vickers	158	158	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	515 MPa	74700 psi
Tensile Strength, Yield	450 MPa	65300 psi
Elongation at Break	>= 6.0 %	>= 6.0 %
Modulus of Elasticity	77.0 GPa	11200 ksi
Fracture Toughness	16.0 MPa-m½	14.6 ksi-in½	S-L direction
	30.0 MPa-m½	27.3 ksi-in½	T-L direction
	35.0 MPa-m½	31.9 ksi-in½	L-T direction
Shear Strength	300 MPa	43500 psi	Calculated value.

Thermal Properties	Metric	English	Comments
CTE, linear	21.4 µm/m-°C @Temperature 20.0 - 100 °C	11.9 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.930 J/g-°C @Temperature 100 °C	0.222 BTU/lb-°F @Temperature 212 °F
Thermal Conductivity	95.3 W/m-K	661 BTU-in/hr-ft²-°F
Melting Point	600 - 655 °C	1110 - 1210 °F
Solidus	600 °C	1110 °F
Liquidus	655 °C	1210 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	93 - 96.2 %	93 - 96.2 %	As remainder
Chromium, Cr	<= 0.10 %	<= 0.10 %
Copper, Cu	1.0 - 1.6 %	1.0 - 1.6 %
Iron, Fe	<= 0.30 %	<= 0.30 %
Lithium, Li	2.2 - 2.7 %	2.2 - 2.7 %
Magnesium, Mg	0.60 - 1.3 %	0.60 - 1.3 %
Manganese, Mn	<= 0.10 %	<= 0.10 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.20 %	<= 0.20 %
Titanium, Ti	<= 0.10 %	<= 0.10 %
Zinc, Zn	<= 0.25 %	<= 0.25 %
Zirconium, Zr	0.04 - 0.16 %	0.04 - 0.16 %

References for this datasheet.

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MA8090T877 / 9699

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