Aluminum Alloy Die Forgings, 4.0Cu - 2.0Ni - 0.68Mg (2018-T61), Solution and Precipitation Heat Treated(NONCURRENT Aug 2009)

This specification has been declared “NONCURRENT” by the Aerospace Materials Division, SAE, as of August 2009. It is recommended, therefore, that this specification not be specified for new designs. “NONCURRENT” refers to those materials which may have been widely used previously and which may be required for production or processing of existing designs in the future. The Aerospace Materials Division, however, does not recommend these specifications for future use in new designs. “NONCURRENT” specifications are available from SAE upon request.

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Current & Historical versions of this standard
Standard	Date published	?Status
AMS4140J	2009-08-05	Noncurrent
AMS4140H	2001-06-01	Reaffirmed
AMS4140G	1995-05-01	Reaffirmed
AMS4140F	1985-07-01	Revised
AMS4140E	1978-10-01	Revised
AMS4140D	1952-06-01	Revised
AMS4140C	1945-10-01	Revised
AMS4140B	1944-11-01	Revised
AMS4140A	1942-08-01	Revised
AMS4140	1942-01-01	Issued