ASTM B493-01

Standard Specification for Zirconium and Zirconium Alloy Forgings

SCOPE
1.1 This specification  covers three grades of zirconium and zirconium alloy forgings.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following safety hazards caveat pertains only to the test method portion, Section 12, of this specification:  This standard does not purport to address all of the safety problems, 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.

General Information

• Status: Historical
• Publication Date: 09-Nov-2001
• Technical Committee: B10 - Reactive and Refractory Metals and Alloys
• Drafting Committee: B10.02 - Zirconium and Hafnium

Relations

• Replaces: ASTM B493-83(1998) - Standard Specification for Zirconium and Zirconium Alloy Forgings
• Effective Date: 10-Nov-2001
• Replaced By: ASTM B493-01(2003) - Standard Specification for Zirconium and Zirconium Alloy Forgings
• Effective Date: 10-May-2003
• Referred By: ASTM B653/B653M-11(2020) - Standard Specification for Seamless and Welded Zirconium and Zirconium Alloy Welding Fittings
• Effective Date: 10-Nov-2001

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 493 – 01
Standard Specification for
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Zirconium and Zirconium Alloy Forgings
This standard is issued under the fixed designation B 493; 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 4. Classification
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1.1 This specification covers three grades of zirconium and 4.1 The forgings are furnished in three grades as follows:
zirconium alloy forgings. 4.1.1 Grade R60702—Unalloyed zirconium.
1.2 The values stated in inch-pound units are to be regarded 4.1.2 Grade R60704—Zirconium-tin alloy.
as the standard. The values given in parentheses are for 4.1.3 Grade R60705—Zirconium-niobium alloy.
information only.
5. Ordering Information
1.3 The following safety hazards caveat pertains only to
5.1 Orders for material under this specification shall include
the test method portion, Section 12, of this specification: This
standard does not purport to address all of the safety problems, the following information:
5.1.1 Quantity (weight and number of pieces),
if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety and health 5.1.2 Name of material (zirconium forgings),
5.1.3 Finish (Section 9),
practices and determine the applicability of regulatory limita-
tions prior to use. 5.1.4 Dimension (diameter, thickness, length, width, or as
specified in appropriate drawings),
2. Referenced Documents
5.1.5 ASTM designation and year of issue,
2.1 ASTM Standards: 5.1.6 Grade number (see 3.1), and
3
E 8 Test Methods for Tension Testing of Metallic Materials 5.1.7 Additions to the specification and supplementary re-
quirements, if required.
3. Terminology
NOTE 1—A typical ordering description is as follows: 8000-lb zirco-
3.1 Lot Definitions:
nium forgings, mechanically descaled 10 by 12 by 12-in. rectangular bar,
3.1.1 castings—a lot shall consist of all castings produced
ASTM B 493, dated __, Grade R60702.
from the same pour.
6. Materials and Manufacture
3.1.2 ingot—no definition required.
3.1.3 rounds, flats, tubes, and wrought powder metallurgical
6.1 The forgings shall be formed with conventional forging
products (single definition, common to nuclear and non-
equipment normally found in primary ferrous and nonferrous
nuclear standards)—a lot shall consist of a material of the
metal plants.
same size, shape, condition, and finish produced from the same
6.2 Forgings shall be furnished in the annealed conditions.
ingot or powder blend by the same reduction schedule and the
7. Chemical Composition
same heat treatment parameters. Unless otherwise agreed
between manufacturer and purchaser, a lot shall be limited to
7.1 The material shall conform to the requirements as to
the product of an 8 h period for final continuous anneal, or to
chemical composition prescribed in Table 1.
a single furnace load for final batch anneal.
7.2 The manufacturer’s ingot analysis shall be considered
3.1.4 sponge—a lot shall consist of a single blend produced
the chemical analysis for forgings, except for hydrogen and
at one time.
nitrogen, which shall be determined on the finished product.
3.1.5 weld fittings—definition is to be mutually agreed upon
7.3 When requested by the purchaser and stated in the
between manufacturer and the purchaser.
purchase order, a check analysis for any elements listed in
Table 1 shall be made on the finished product.
7.3.1 The manufacturer’s analysis shall be considered as
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This specification is under the jurisdiction of ASTM Committee B10 on
verified if the check analysis confirms the manufacturer’s
Reactive and Refractory Metals and Alloys and is the direct responsibility of
reported values within the tolerances prescribed in Table 2.
Subcommittee B10.02 on Zirconium and Hafnium.
Current edition approved Nov. 10, 2001. Published January 2002. Originally
published as B 493 – 69. Last previous edition B 493 – 83 (1998). 8. Workmanship and Quality Level Requirements
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For ASME Boiler and Pressure Vessel Code applications see related Specifi-
8.1 The material shall be free of injurious imperfections.
cation SB-493 in Section II of that Code.
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Minor surface imperfections may be removed by spot grinding
Annual Book of ASTM Standards, Vol 03.01.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 493
A
TABLE 1 Chemical Requirements
truly representative sample, it
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