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Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate (Withdrawn 2018) (Includes all amendments And changes 5/30/2018).
Automatically translated name:
Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate
STANDARD published on 1.10.2009
Designation standards: ASTM B393-09e1
Note: WITHDRAWN
Publication date standards: 1.10.2009
SKU: NS-6525
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
niobium, niobium alloy plate, niobium alloy sheet, niobium alloy strip, Niobium and niobium alloys--specifications, UNS R04200 (Nb (Cb), unalloyed, reactor grade), UNS R04210 (Nb (Cb), unalloyed, commercial grade), UNS R04251 (Nb (Cb)-Zr, reactor grade), UNS R04261 (Nb (Cb)-Zr, commercial grade), ICS Number Code 77.150.99 (Other products of non-ferrous metals)
Significance and Use | ||||||||
For the purposes of determining compliance with the specified limits for requirements of the properties listed in this specification, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29. |
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1. Scope | ||||||||
1.1 This specification covers five grades of wrought niobium and niobium alloy strip, sheet, and plate as follows: 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. 1.1.5 R0xxxx-Type 5—RRR grade pure niobium. Note 1—This grade of niobium is used in superconducting applications that require the ultra high purity. Because of the high purity the product is conducive to very large grains that can adversely affect formability. It is not recommended for other applications. 1.2 Except for dimensional tolerances in Table 1, the values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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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2. Referenced Documents | ||||||||
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1.5.2010
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1.4.2011
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1.5.2010
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1.5.2010
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15.7.2008
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1.12.2012
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