Aluminum 2090-T86

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Aluminum 2090-T86
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 2000 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 A92090; Aluminium 2090-T86; AlLi; Aluminum Lithium Alloy; AA2090-T86; Al2090-T86
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Physical Properties	Metric	English	Comments

Density	2.59 g/cc	0.0936 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	150	150	500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop	191	191	Converted from Brinell Hardness Value
Hardness, Rockwell A	53.6	53.6	Converted from Brinell Hardness Value
Hardness, Rockwell B	87	87	Converted from Brinell Hardness Value
Hardness, Vickers	176	176	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	550 MPa	79800 psi	Extrusion
Tensile Strength, Yield	520 MPa	75400 psi	Extrusion
Elongation at Break	6.0 %	6.0 %	In 50 mm. Extrusion
Modulus of Elasticity	76.0 GPa	11000 ksi
Poissons Ratio	0.34	0.34
Fatigue Strength	120 MPa @# of Cycles 1.00e+7	17400 psi @# of Cycles 1.00e+7
	310 MPa @# of Cycles 1.00e+7	45000 psi @# of Cycles 1.00e+7
Shear Modulus	28.0 GPa	4060 ksi	Calculated
Shear Strength	320 MPa	46400 psi	Calculated value.

Thermal Properties	Metric	English	Comments
CTE, linear	23.6 µm/m-°C @Temperature 20.0 - 100 °C	13.1 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	1.203 J/g-°C @Temperature 100 °C	0.2875 BTU/lb-°F @Temperature 212 °F
Thermal Conductivity	88.0 W/m-K	611 BTU-in/hr-ft²-°F
Melting Point	560 - 650 °C	1040 - 1200 °F
Solidus	560 °C	1040 °F
Liquidus	650 °C	1200 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	93.2 - 95.6 %	93.2 - 95.6 %	As remainder
Chromium, Cr	<= 0.05 %	<= 0.05 %
Copper, Cu	2.4 - 3.0 %	2.4 - 3.0 %
Iron, Fe	<= 0.12 %	<= 0.12 %
Lithium, Li	1.9 - 2.6 %	1.9 - 2.6 %
Magnesium, Mg	<= 0.25 %	<= 0.25 %
Manganese, Mn	<= 0.05 %	<= 0.05 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.10 %	<= 0.10 %
Titanium, Ti	<= 0.15 %	<= 0.15 %
Zinc, Zn	<= 0.10 %	<= 0.10 %
Zirconium, Zr	0.08 - 0.15 %	0.08 - 0.15 %

References for this datasheet.

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MA2090T86 / 8899

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