standard Specification for
Composite Ribbed Steel Pipe, Precoated and Polyethylene
Lined for Gravity Flow Sanitary Sewers, Storm Sewers, and
Other Special Applications1
This standard is issued under the fixed designation A 978/A 978M; 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 978/A 978M – 97 (Reapproved 2002)e1 Pdf free
Click here to download Astm A 977/A 977M – 02 Pdf Free Download