Aluminum 2218-T71

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

Aluminum 2218-T71
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:	Aluminium 2218-T72; UNS A92218; AMS 4142; NF A-U4N (France); QQ-A-367; SAE J454; AA2218-T72; Al2218-T71
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Density	2.81 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Hardness, Brinell	105	500 kg load with 10 mm ball
Hardness, Knoop	132	Converted from Brinell Hardness Value
Hardness, Rockwell A	43	Converted from Brinell Hardness Value
Hardness, Rockwell B	66	Converted from Brinell Hardness Value
Hardness, Vickers	118	Converted from Brinell Hardness Value
Tensile Strength, Ultimate	345 MPa
Tensile Strength, Yield	280 MPa
Elongation at Break	11 %	In 5 cm; Sample 1.6 mm thick
Modulus of Elasticity	74.4 GPa	Average of Tension and Compression. In Al alloys, the compressive modulus is typically 2% greater than the tensile modulus
Poissons Ratio	0.33
Shear Modulus	27.5 GPa
Shear Strength	207 MPa	Calculated value.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000430 ohm-cm	Estimated from other heat treatments.

Thermal Properties	Original Value	Comments
CTE, linear	12.4 µin/in-°F @Temperature 20.0 - 100 °C	AA; Typical; average over range
	20.7 µm/m-°C @Temperature -50.0 - 20.0 °C
	22.4 µm/m-°C @Temperature 20.0 - 100 °C
	23.3 µm/m-°C @Temperature 20.0 - 200 °C
	24.2 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.880 J/g-°C	Estimated from trends in similar Al alloys.
Thermal Conductivity	155 W/m-K
Melting Point	935 - 1180 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting is not eliminated by homogenization.
Solidus	935 °F	AA; Typical
Liquidus	1180 °F	AA; Typical

Processing Properties	Original Value	Comments
Solution Temperature	950 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	88.8 - 93.6 %	As remainder
Chromium, Cr	<= 0.10 %
Copper, Cu	3.5 - 4.5 %
Iron, Fe	<= 1.0 %
Magnesium, Mg	1.2 - 1.8 %
Manganese, Mn	<= 0.20 %
Nickel, Ni	1.7 - 2.3 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Silicon, Si	<= 0.90 %
Zinc, Zn	<= 0.25 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Aluminum 2124-T851
Aluminum 2218-T72
Aluminum 2219-T31
Aluminum 2124-O
Aluminum 2124-T351

MA2218T71 / 8924

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message