This specification covers established inch/pound manufacturing tolerances applicable to carbon and alloy tubing ordered to inch/pound dimensions. These tolerances apply to all conditions unless otherwise noted. The term 'excl' is used to apply only to the higher figure of the specified range.
RATIONALE AMS2253F has been declared "STABILIZED" by SAE AMS Committee E - Carbon and Low Alloy Steels as mature technology that is not expected to change and thus no further revisions are anticipated. STABILIZATION NOTICE AMS2253F has been declared "STABILIZED" by SAE AMS Committee E - Carbon and Low Alloy Steels. This document will no longer be updated and may no longer represent standard industry practice. This document was stabilized because the document contains mature technology that is not expected to change and thus no further revisions are anticipated. Previously this document was reaffirmed. The last technical update of this document occurred in January 1983. Users of this document should refer to the cognizant engineering organization for disposition of any issues with reports/certifications to this specification; including exceptions listed on the certification. NOTE: In many cases, the purchaser may represent a sub tier supplier and not the cognizant engineering organization.