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ASTM C752-03(2010)

(Specification)

Standard Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy

Standard Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy

ABSTRACT
This specification covers silver-indium-cadmium alloy for use as a control material in light-water nuclear reactors. The use of this material in applications is excluded where material strength of this alloy is a prime requisite. Also, this material must be protected from the primary water by a corrosion and wear resistant cladding. The identity of each lot by melt number shall be maintained at all stages of manufacture. Parts produced to this specification shall be made from billets by hot working and cold finishing to size. The cold-finished parts shall be produced to the finish condition and dimensions as specified. The surface of the cold-finished part shall be free of oxides, grease, oil, residual lubricants, inclusions, and other extraneous materials. Surface defects such as folds, cracks, seams, slivers, and blisters shall be cause for rejection.
SCOPE
1.1 This specification covers silver-indium-cadmium alloy for use as a control material in light-water nuclear reactors.
1.2 The scope of this specification excludes the use of this material in applications where material strength of this alloy is a prime requisite. Also, this material must be protected from the primary water by a corrosion and wear resistant cladding.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

General Information

Status
Historical
Publication Date
28-Feb-2010
ICS
77.120.99 - Other non-ferrous metals and their alloys
Technical Committee
C26 - Nuclear Fuel Cycle
Drafting Committee
C26.03 - Neutron Absorber Materials Specifications
Current Stage
Ref Project

Relations

Replaces
ASTM C752-03 - Standard Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy
Effective Date
01-Mar-2010
Replaced By
ASTM C752-13 - Standard Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy
Effective Date
01-Feb-2013
Referred By
ASTM C760-90(2020) - Standard Test Methods for Chemical and Spectrochemical Analysis of Nuclear-Grade Silver-Indium-Cadmium Alloys
Effective Date
01-Mar-2010

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ASTM C752-03(2010) - Standard Specification for Nuclear-Grade Silver-Indium-Cadmium AlloyASTM C752-03(2010) - Standard Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy
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ASTM C752-03(2010) - Standard Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C752 −03(Reapproved 2010)
Standard Specification for
Nuclear-Grade Silver-Indium-Cadmium Alloy
This standard is issued under the fixed designation C752; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
3.1 Terms shall be defined in accordance with the terminol-
1.1 This specification covers silver-indium-cadmium alloy
ogy in Terminology C859, except for the following:
for use as a control material in light-water nuclear reactors.
3.1.1 A lot shall be defined as all parts produced from the
1.2 The scope of this specification excludes the use of this
same melt by the same process.
material in applications where material strength of this alloy is
a prime requisite. Also, this material must be protected from
4. Ordering Information
the primary water by a corrosion and wear resistant cladding.
4.1 Thebuyershallspecifythefollowinginformationonthe
1.3 The values stated in SI units are to be regarded as
order:
standard. No other units of measurement are included in this
4.1.1 Quantity,
standard.
4.1.2 Lot size, and
4.1.3 Dimensions and tolerances.
2. Referenced Documents
5. Materials and Manufacture
2.1 ASTM Standards:
C760 Test Methods for Chemical and Spectrochemical
5.1 The identity of each lot by melt number shall be
Analysis of Nuclear-Grade Silver-Indium-Cadmium Al-
maintained at all stages of manufacture.
loys
5.2 Parts produced to this specification shall be made from
C859 Terminology Relating to Nuclear Materials
billets by hot working and cold finishing to size.
E105 Practice for Probability Sampling of Materials
5.3 The cold-finished parts shall be produced to the finish
2.2 ANSI Standard:
condition and dimensions as specified in the purchase order.
B46.1 Surface Roughness
ANSI/ASME NQA-1 Quality Assurance Requirements for
6. Chemical Composition
Nuclear Facility Applications
6.1 The parts shall conform to the following chemical
2.3 U.S. Government Standard:
composition:
Title 10 Code of Federal Regulations, Energy Part 50
(10CFR50) Domestic Licensing of Production and Utili-
Element Weight %
zation Facilities
Indium 15.00 ± 0.25
Cadmium 5.00 ± 0.25
Total impurities, max 0.50 max
Silver remainder
This specification is under the jurisdiction of ASTM Committee C26 on
Lead 0.03 max
Nuclear Fuel Cycle and is the direct responsibility of Subcommittee C26.03 on
Bismuth 0.03 max
Neutron Absorber Materials Specifications.
Current edition approved March 1, 2010. Published March 2010. Originally
7. Workmanship, Finish, and Appearance
approved in 1973. Last previous edition approved in 2003 as C752 – 03. DOI:
10.1520/C0752-03R10.
7.1 The surface of the cold-finished part shall be free of
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
oxides, grease, oil, residual lubricants, inclusions, and other
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
extraneous materials.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 7.2 Surface defects such as folds, cracks, seams, slivers, and
Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036, http://www.ansi.org. blisters shall be cause for rejection.
AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
7.3 Surface roughness shall be per ANSI B46.1 not to
732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
www.access.gpo.gov. exceed 0.81 µm rms.
Copyright © A
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This specification defines the criteria for composition and other requirements for sliding contact materials or brushes with a nominal composition by weight of 20% silver and 80% graphite. Materials shall adhere to specified requirements for chemical composition, density, shear strength, and microstructure. They shall also conform to typical values of Rockwell superficial hardness and specific resistance.
SCOPE
1.1 This specification defines the criteria for composition and other requirements for brushes with a nominal silver content of 80 %, by weight, with the balance being substantially graphite.  
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This specification defines the criteria for the chemical composition and other requirements (including physical properties, microstructure, superficial hardness, and specific resistance ) for silver-graphite brushes for sliding electrical contacts. The percentage of silver, graphite, ash in graphite, and total metal impurities are prescribed. The minimum acceptable values for the physical properties such as density, determined by measurement and weight method, and shear strength are given. Typical Rockwell hardness and specific resistance for the material are also specified.
SCOPE
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