Aluminum 2219-T87

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Aluminum 2219-T87
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 A92219; ISO AlCu6Mn; Aluminium 2219-T87; AA2219-T87; Al2219-T87
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Physical Properties	Metric	English	Comments

Density	2.84 g/cc	0.103 lb/in³	AA; Typical

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	130	130	500 kg load with 10 mm ball
Hardness, Knoop	163	163	Converted from Brinell Hardness Value
Hardness, Rockwell A	49.5	49.5	Converted from Brinell Hardness Value
Hardness, Rockwell B	80	80	Converted from Brinell Hardness Value
Hardness, Vickers	149	149	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	476 MPa	69000 psi	AA; Typical
	>= 420 MPa @Thickness 101.6 - 127 mm	>= 60900 psi @Thickness 4.001 - 5.00 in	Sheet and plate
	>= 425 MPa @Thickness 76.23 - 102 mm	>= 61600 psi @Thickness 3.001 - 4.00 in	Sheet and plate
	>= 440 MPa @Thickness 0.508 - 6.32 mm	>= 63800 psi @Thickness 0.0200 - 0.249 in	Sheet and plate
	>= 440 MPa @Thickness 6.35 - 76.2 mm	>= 63800 psi @Thickness 0.250 - 3.00 in	Sheet and plate
Tensile Strength, Yield	393 MPa	57000 psi	AA; Typical
	>= 340 MPa @Thickness 101.6 - 127 mm	>= 49300 psi @Thickness 4.001 - 5.00 in	Sheet and plate
	>= 345 MPa @Thickness 76.23 - 102 mm	>= 50000 psi @Thickness 3.001 - 4.00 in	Sheet and plate
	>= 350 MPa @Thickness 6.35 - 76.2 mm	>= 50800 psi @Thickness 0.250 - 3.00 in	Sheet and plate
	>= 360 MPa @Thickness 0.508 - 6.32 mm	>= 52200 psi @Thickness 0.0200 - 0.249 in	Sheet and plate
Elongation at Break	3.0 % @Thickness 101.6 - 127 mm	3.0 % @Thickness 4.001 - 5.00 in	Sheet and plate
	4.0 % @Thickness 76.23 - 102 mm	4.0 % @Thickness 3.001 - 4.00 in	Sheet and plate
	5.0 - 6.0 % @Thickness 0.508 - 6.32 mm	5.0 - 6.0 % @Thickness 0.0200 - 0.249 in	Sheet and plate
	6.0 - 7.0 % @Thickness 6.35 - 76.2 mm	6.0 - 7.0 % @Thickness 0.250 - 3.00 in	Sheet and plate
	10 % @Thickness 1.59 mm	10 % @Thickness 0.0625 in	AA; Typical
Modulus of Elasticity	73.1 GPa	10600 ksi	AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Notched Tensile Strength	379 MPa	55000 psi	2.5 cm width x 0.16 cm thick side-notched specimen, K_t = 17.
Poissons Ratio	0.33	0.33	Estimated from trends in similar Al alloys.
Fatigue Strength	103 MPa @# of Cycles 5.00e+8	15000 psi @# of Cycles 5.00e+8	completely reversed stress; RR Moore machine/specimen
Shear Modulus	27.0 GPa	3920 ksi	Estimated from similar Al alloys.
Shear Strength	280 MPa	40600 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000582 ohm-cm @Temperature 20.0 °C	0.00000582 ohm-cm @Temperature 68.0 °F	AA; Typical

Thermal Properties	Metric	English	Comments
CTE, linear	20.8 µm/m-°C @Temperature -50.0 - 20.0 °C	11.6 µin/in-°F @Temperature -58.0 - 68.0 °F
	22.3 µm/m-°C @Temperature 20.0 - 100 °C	12.4 µin/in-°F @Temperature 68.0 - 212 °F	AA; Typical; average over range
	22.5 µm/m-°C @Temperature 20.0 - 100 °C	12.5 µin/in-°F @Temperature 68.0 - 212 °F
	23.4 µm/m-°C @Temperature 20.0 - 200 °C	13.0 µin/in-°F @Temperature 68.0 - 392 °F
	24.1 µm/m-°C @Temperature 20.0 - 300 °C	13.4 µin/in-°F @Temperature 68.0 - 572 °F
	24.4 µm/m-°C @Temperature 20.0 - 300 °C	13.6 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.864 J/g-°C	0.207 BTU/lb-°F
Thermal Conductivity	121 W/m-K	840 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	543 - 643 °C	1010 - 1190 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus	543 °C	1010 °F	AA; Typical
Liquidus	643 °C	1190 °F	AA; Typical

Processing Properties	Metric	English	Comments
Annealing Temperature	413 °C	775 °F
Solution Temperature	535 °C	995 °F
Aging Temperature	163 - 191 °C	325 - 375 °F	from 18 to 36 hr at temperature

Component Elements Properties	Metric	English	Comments
Aluminum, Al	91.5 - 93.8 %	91.5 - 93.8 %	As remainder
Copper, Cu	5.8 - 6.8 %	5.8 - 6.8 %
Iron, Fe	<= 0.30 %	<= 0.30 %
Magnesium, Mg	<= 0.02 %	<= 0.02 %
Manganese, Mn	0.20 - 0.40 %	0.20 - 0.40 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.20 %	<= 0.20 %
Titanium, Ti	0.02 - 0.10 %	0.02 - 0.10 %
Vanadium, V	0.05 - 0.15 %	0.05 - 0.15 %
Zinc, Zn	<= 0.10 %	<= 0.10 %
Zirconium, Zr	0.10 - 0.25 %	0.10 - 0.25 %

References for this datasheet.

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MA2219T87 / 8935

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