ASTM B349/B349M-03
(Specification)Standard Specification for Zirconium Sponge and Other Forms of Virgin Metal for Nuclear Application
Standard Specification for Zirconium Sponge and Other Forms of Virgin Metal for Nuclear Application
ABSTRACT
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.
SCOPE
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.
1.2 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. The manufacturer must use 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 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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Designation: B 349/B 349M – 03
Standard Specification for
Zirconium Sponge and Other Forms of Virgin Metal for
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Nuclear Application
This standard is issued under the fixed designation B 349/B 349M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.3 rounds, flats, tubes, and wrought powder metallurgical
products (single definition, common to nuclear and non-
1.1 This specification covers one grade of virgin zirconium
nuclear standards)—a lot shall consist of a material of the
metal commonly designated as sponge because of its porous,
same size, shape, condition, and finish produced from the same
sponge-like texture, but it may also take other forms such as
ingot or powder blend by the same reduction schedule and the
chunklets.
same heat treatment parameters. Unless otherwise agreed
1.2 The one grade described is designated as Reactor Grade
between manufacturer and purchaser, a lot shall be limited to
R60001, suitable for use in nuclear applications. The main
the product of an 8 h period for final continuous anneal, or to
characteristic of the reactor grade is its low nuclear cross
a single furnace load for final batch anneal.
section as achieved by removal of hafnium. The manufacturer
3.1.4 sponge—a lot shall consist of a single blend produced
must use procedures to prevent contamination with other high
at one time.
cross-section materials.
3.1.5 weld fittings—definition is to be mutually agreed upon
1.3 Unless a single unit is used, for example corrosion mass
2
between manufacturer and the purchaser.
gain in mg/dm , the values stated in either inch-pound or SI
units are to be regarded separately as standard. The values
4. Ordering Information
stated in each system are not exact equivalents; therefore each
4.1 Purchase orders for material under this specification
system must be used independently of the other. SI values
shallincludethefollowinginformation,asrequired,todescribe
cannot be mixed with inch-pound values.
adequately the desired material:
1.4 This standard does not purport to address all of the
4.1.1 Quantity,
safety concerns, if any, associated with its use. It is the
4.1.2 Name of material,
responsibility of the user of this standard to establish appro-
4.1.3 Grade designation, and
priate safety and health practices and determine the applica-
4.1.4 ASTM designation and year of issue.
bility of regulatory limitations prior to use.
NOTE 1—Atypicalorderingdescriptionisasfollows:5000lb(2000kg)
2. Referenced Documents
reactor grade zirconium, Grade R60001, ASTM Specification B 349 - 01.
2.1 ASTM Standards:
4.2 In addition to the data specified in 4.1, the following
E 29 Practice for Using Significant Digits in Test Data to
options and points of agreement between the manufacturer and
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Determine Conformance with Specifications
the purchaser shall be specified in the purchase order, as
required.
3. Terminology
4.2.1 Sampling and duplicate samples (see 7.1 and 7.2).
3.1 Lot Definitions:
4.2.2 Certification reports (Section 13), and
3.1.1 castings—a lot shall consist of all castings produced
4.2.3 Packaging (Section 15).
from the same pour.
3.1.2 ingot—no definition required.
5. Materials and Manufacture
5.1 Zirconium metal is usually prepared by reduction of
zirconium tetrachloride, and gets its physical characteristics
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from the processes involved in production. These characteris-
This specification is under the jurisdiction of ASTM Committee B10 on
Reactive and Refractory Metals and Alloys and is the direct responsibility of
tics may be expected to vary greatly with manufacturing
Subcommittee B10.02 on Zirconium and Hafnium.
methods.This specification, however, is not limited to material
Current edition approved May 10, 2003. Published May 2003. Originally
prepared by reduction of tetrachloride or to material of any
approved in 1960. Last previous edition approved in 2001 as B 349 – 01.
2
Annual Book of ASTM Standards, Vol 14.02. specific physical form.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B 349/B 349M – 03
5.2 Only virgin zirconium metal, in identified, uniform, 8.1.1.2 Samples for chemical tests shall be taken from solid
well-mixed blends, shall be supplied under this specification. metal below the surface porosity of the as-cast ingot. The
samples shall be taken from a minimum of three places equally
6. Chemical Composition
spaced along the axial length of the ingot.
8.2 Analytical samples for the determination of chlorine
6.1 The zirconium metal supplied under
...
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