Standard Specification for
Alloy Steel Forgings for Nonmagnetic Retaining Rings for
Generators1
This standard is issued under the fixed designation A 289/A 289M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
click below to download Astm A 289/A 289M – 97 (Reapproved 2003) pdf free
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click here to download Astm A 288 – 91 (Reapproved 2003) pdf free download