ASTM A 649 A 649M – 99 International standard

Standard Specification for Forged Steel Rolls Used for Corrugating Paper Machinery1

This trendy is issued under the fixed designation a 649/a 649m; the wide variety at once following the designation shows the year of unique adoption or, in the case of revision, the 12 months of closing revision. A number of in parentheses suggests the 12 months of last reapproval. A superscript epsilon (e) shows an article change for the reason that last revision or reapproval.

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