Standard Specification for Nickel Alloy Forgings1
This general is issued under the fixed designation b 564; the range straight away following the designation suggests the yr of original adoption or, inside the case of revision, the 12 months of last revision. A number of in parentheses indicates the 12 months of ultimate reapproval. A superscript epsilon (e) indicates an editorial change because the final revision or reapproval.
This popular has been permitted to be used by companies of the department of defense.
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You can also get ASTM B 563 – 01 International standard