Standard Specification for
Niobium and Niobium Alloy Seamless and Welded Tubes1
This standard is issued under the fixed designation B 394; 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 Astm B 394 – 03 pdf free download
click here to Astm B 393 – 03 pdf free download
