Standard Speciﬁcation for Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable1
This well-known is issued below the ﬁxed designation a 640; the wide variety without delay following the designation suggests the year of authentic adoption or, in the case of revision, the yr of last revision. Quite a number in parentheses suggests the yr of final reapproval. A superscript epsilon (e) shows an editorial alternate since the last revision or reapproval.
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You can also get ASTM A 638 A 638M – 00 International standard