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ASTM B393-1999 standard specification for niobium and niobium alloy strip, sheet, and plate

Standard Number:  ASTM B393-1999
Title:  standard specification for niobium and niobium alloy strip, sheet, and plate
Language:  English
Replaced by Standard:  ASTM B393-03

Execute Date:  1999/12/10
Adopted International Standard:  [db:AdoptedInternationalStandardNo]
Status:  Withdrawn
International Classification for Standards (ICS)METALLURGY>>Products of non-ferrous metals>>Other products of non-ferrous metals
Publisher:  American Society for Testing Material (ASTM)
Price:  
Number of Pages:4P.;A4  

Preface:   
Description:

1.1 This specification covers four grades of wrought niobium and niobium alloy strip, sheet, and plate 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.

  
Cross References:[db:refbz]  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  787KB
Tile in English:  standard specification for niobium and niobium alloy strip, sheet, and plate

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