Standard Practice for Identification of Standard Electrical Steel Grades in ASTM Specifications1
This general is issued under the fixed designation a 664; the range right now following the designation indicates the 12 months of authentic adoption or, within the case of revision, the yr of last revision. A range of in parentheses indicates the yr of closing reapproval. A superscript epsilon (e) indicates a piece of writing alternate because of the closing revision or reapproval.
Click below to get ASTM A 664 – 99 International standard
You can also get ASTM A 663 A 663M – 89 International standard
