ASTM B 392 : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire
Hardcopy , PDF
11-11-2014
English
10-09-2003
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
B 10
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| DocumentType |
Standard
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| Pages |
4
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1 This specification covers four grades of wrought niobium and niobium alloy bar, rod, and wire as follows:
Note-Committee B-10 has adopted "niobium" as the designation for Element No. 41, formerly named "columbium."1.1.1 R04200-Type 1 -Reactor grade unalloyed niobium,
1.1.2 R04210-Type 2 -Commercial grade unalloyed niobium,
1.1.3 R04251-Type 3 -Reactor grade niobium alloy containing 1% zirconium, and
1.1.4 R04261-Type 4 -Commercial grade niobium alloy containing 1% zirconium.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following precautionary caveat pertains only to the test methods portion of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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