Standard Speciﬁcation for Niobium and Niobium Alloy Strip, Sheet, and Plate1
This general is issued underneath the ﬁxed designation b 393; the quantity at once following the designation suggests the 12 months of authentic adoption or, inside the case of revision, the year of final revision. Quite a number in parentheses indicates the year of closing reapproval. A superscript epsilon (e) indicates an article trade since the remaining revision or reapproval.
Click below to get ASTM B 393 – 03 International standard
You can aslo get ASTM B 392 – 03 International standard