Standard Specification for Carbon Steel Forgings, for General-Purpose Piping1
This widespread is issued below the fixed designation a 181/a 181m; the quantity straight away following the designation indicates the year of unique adoption or, inside the case of revision, the 12 months of ultimate revision. a number of in parentheses shows the yr of closing reapproval. a superscript epsilon (e) shows an editorial alternate since the remaining revision or reapproval.
This preferred has been accredited for use by means of groups of the department of protection
click below to download A 181M – 01 pdf free
click here to download A 179M – 90a (Reapproved 2001) pdf free
