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ASTM B349/B349M-16

Current Revision

Standard Specification for Zirconium Sponge and Other Forms of Virgin Metal for Nuclear Application

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1.1 This specification covers one grade of virgin zirconium metal commonly designated as sponge because of its porous, sponge-like texture, but it may also take other forms such as chunklets, suitable for use in nuclear applications.

1.2 Unless a single unit is used, for example corrosion mass gain in mg/dm2, the values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. SI values cannot be mixed with inch-pound values.

1.3  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.


This specification covers one grade of virgin zirconium metal commonly designated as sponge because of its porous, sponge-like texture, but it may also take other forms such as chunklets. The one grade described is designated as Reactor Grade R60001, suitable for use in nuclear applications. The main characteristic of the reactor grade is its low nuclear cross section as achieved by removal of hafnium. Zirconium metal is usually prepared by reduction of zirconium tetrachloride, and gets its physical characteristics from the processes involved in production. These characteristics may be expected to vary greatly with manufacturing methods. Only virgin zirconium metal, in identified, uniform, well-mixed blends, shall be used. The zirconium metal shall conform to the requirements for chemical composition specified.


SDO ASTM: ASTM International
Document Number B349
Publication Date May 1, 2016
Language en - English
Page Count 3
Revision Level 16
Supercedes
Committee B10.02
Publish Date Document Id Type View
May 1, 2016 B0349_B0349M-16 Revision
April 15, 2009 B0349_B0349M-09 Revision
May 10, 2003 B0349_B0349M-03 Revision
Nov. 10, 2001 B0349_B0349M-98 Revision
Nov. 10, 2001 B0349_B0349M-01 Revision
April 1, 2021 B0349_B0349M-16R21 Reaffirmation