ASTM B349/B349M-98

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

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    1. Scope

    1.1 This specification covers virgin zirconium metal commonly designated as sponge because of its porous, sponge-like texture, but it may also take other forms such as chunklets.

    1.2 One grade is described which is designated as Reactor Grade R60001, suitable for use in nuclear application. The most important characteristic of the reactor grade is its low nuclear cross section as achieved by removal of hafnium and by careful quality control in manufacturing procedures to prevent contamination with other high cross-section materials.

    1.3 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.

    1.4 The following precautionary caveat pertains only to the test method portions 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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications


    ICS Code

    ICS Number Code 27.120.99 (Other standards related to nuclear energy); 77.120.99 (Other non-ferrous metals and their alloys); 77.150.99 (Other products of non-ferrous metals)

    UNSPSC Code

    UNSPSC Code 12141751(Zirconium Zr)


    DOI: 10.1520/B0349_B0349M-98

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