AMS4140J - Aluminum Alloy Die Forgings, 4.0Cu - 2.0Ni - 0.68Mg (2018-T61), Solution and Precipitation Heat Treated

Details Document Number: AMS4140J Revision Number: J Title Aluminum Alloy Die Forgings, 4.0Cu - 2.0Ni - 0.68Mg (2018-T61), Solution and Precipitation Heat Treated Scope 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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