Standard Speciﬁcation for Ferrocolumbium1
This standard is issued underneath the ﬁxed designation a 550; the number right away following the designation shows the 12 months of authentic adoption or, inside the case of revision, the yr of last revision. More than a few in parentheses indicates the 12 months of remaining reapproval. A superscript epsilon (e) indicates a piece of writing trade because the last revision or reapproval.
Click below to get ASTM A 550 – 78 International standard
You can also get ASTM A 543/A 543M – 93 International standard