ASTM A965/A965M-06

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Designation: A 965/A 965M – 06
Standard Specification for
Steel Forgings, Austenitic, for Pressure and High
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Temperature Parts
This standard is issued under the fixed designationA 965/A 965M; 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* E112 Test Methods for Determining Average Grain Size
2.2 Other Standards:
1.1 This specification covers austenitic stainless steel forg-
ASME Boiler and Pressure Vessel Code, including Section
ings for boilers, pressure vessels, high temperature parts, and
VIII Pressure Vessels and Section IX Welding Qualifica-
associated equipment.
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tions
1.2 Supplementary requirements are provided for use when
additional testing, inspection, or processing is required. In
3. Ordering Information and General Requirements
addition, supplementary requirements from Specification
3.1 In addition to the ordering information required by
A 788/A 788M may be specified when appropriate.
SpecificationA 788/A 788M, the intended use should be stated
1.3 This specification includes the austenitic steel forgings
if 5.1 is to be applicable.
that were a part of Specification A 336/A 336M.
3.2 Material supplied to this specification shall conform to
1.4 The values stated in either SI units or inch-pound units
the requirements of Specification A 788/A 788M, which out-
are to be regarded separately as standard. The values stated in
lines additional ordering information, manufacturing require-
each system may not be exact equivalents; therefore, each
ments, testing and retesting methods and procedures, marking,
system shall be used independently of the other. Combining
certification,productanalysisvariations,andadditionalsupple-
values from the two systems may result in non-conformance
mentary requirements.
with the standard.
3.3 If the requirements of this specification are in conflict
1.5 Unless the order specifies the applicable “M” specifica-
with the requirements of Specification A 788/A 788M, the
tion designation, the material shall be furnished to the inch-
requirements of this specification shall prevail.
pound units.
3.4 If the forgings are intended for use under the ASME
1.6 This standard does not purport to address all of the
Boiler and Pressure Vessel Code at temperatures exceeding
safety concerns, if any, associated with its use. It is the
1000°F [540°C], then use Supplementary Requirement S7.
responsibility of the user of this standard to establish appro-
Grain size requirements for service exceeding 1000°F [540°C]
priate safety and health practices and determine the applica-
should be specified unless the required grade has the suffix
bility of regulatory limitations prior to use.
“H.”
2. Referenced Documents
4. Melting and Forging
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2.1 ASTM Standards:
4.1 In addition to the melting and forging requirements of
A 336/A 336M Specification for Alloy Steel Forgings for
Specification A 788/A 788M, which may include Supplemen-
Pressure and High-Temperature Parts
tary Requirement S8, the following condition applies:
A 370 Test Methods and Definitions for MechanicalTesting
4.1.1 A sufficient discard shall be made to secure freedom
of Steel Products
from injurious pipe and undue segregation.
A 788/A 788M Specification for Steel Forgings, General
Requirements
5. Machining
5.1 Forged pressure vessels for steam power service shall
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have the inner surface machined or ground. Unfired pressure
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
vessels shall have the inner surfaces sufficiently free of scale to
A01.06 on Steel Forgings and Billets.
permit inspection.
Current edition approved May 1, 2006. Published May 2006. Originally
approved in 1996. Last previous edition approved in 2005 as A 965/A 965M – 05.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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Standards volume information, refer to the standard’s Document Summary page on Available from American Society of Mechanical Engineers (ASME), ASME
the ASTM website. International Headquarters, Three Park Ave., New York, NY 10016-5990.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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A 965/A 965M – 06
5.2 When rough machining is performed, it may be done 8.2 Number of Tests—The number and location of tests are
either before or after heat treatment. based o
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