Standard Test Methods for Determining Hardenability of Steel1
This general is issued beneath the ﬁxed designation a 255; the quantity without delay following the designation indicates the 12 months of original adoption or, within the case of revision, the year of closing revision. a number in parentheses indicates the year of last reapproval. a superscript epsilon (e) shows a piece of writing alternate for the reason that ultimate revision or reapproval.
This widespread has been approved for use through corporations of the branch of protection.
click below to download Astm A 255 – 02 pdf free
click here to download A 254 – 97 (Reapproved 2002) pdf free