Standard Specification for
Pressure Vessel Plates, Five Percent Nickel Alloy Steel,
Specially Heat Treated1
This standard is issued under the fixed designation A 645/A 645M; 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 645/A 645M – 99a Pdf free
Click here to Astm A 644 – 98 (Reapproved 2003) Pdf Free Download