Standard Speciﬁcation for Drawn or Rolled Nickel-Chromium and Nickel-ChromiumIron Alloys for Electrical Heating Elements1
This preferred is issued beneath the ﬁxed designation b 344; the number straight away following the designation indicates the yr of unique adoption or, in the case of revision, the year of remaining revision. A number in parentheses indicates the yr of final reapproval. A superscript epsilon (e) indicates an article alternate for the reason that closing revision or reapproval.
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You can also get ASTM B 343 – 92a International standard