Historical

ASTM B349/B349M-01

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

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 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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ASTM International [astm]

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