ASTM A965/A965M-01

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Designation: A 965/A 965M – 01 An American National Standard
Standard Specification for
Steel Forgings, Austenitic, for Pressure and High
1
Temperature Parts
This standard is issued under the fixed designation A 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 3. Ordering Information and General Requirements
1.1 This specification covers austenitic stainless steel forg- 3.1 In addition to the ordering information required by
ings for boilers, pressure vessels, high temperature parts, and Specification A 788, the intended use should be stated if 5.1 is
associated equipment. to be applicable.
1.2 Supplementary requirements are provided for use when 3.2 Material supplied to this specification shall conform to
additional testing, inspection, or processing is required. In the requirements of Specification A 788, which outlines addi-
addition, supplementary requirements from Specification tional ordering information, manufacturing requirements, test-
A 788 may be specified when appropriate. ing and retesting methods and procedures, marking, certifica-
1.3 This specification includes the austenitic steel forgings tion, product analysis variations, and additional supplementary
that were a part of A 336/A 336M. requirements.
1.4 The values stated in either inch-pound units or SI 3.3 If the requirements of this specification are in conflict
(metric) units are to be regarded separately as standards. with the requirements of Specification A 788, the requirements
Within the text and tables, the SI units are shown in brackets. of this specification shall prevail.
The values stated in each system are not exact equivalents; 3.4 If the forgings are intended for use under the ASME
therefore, each system must be used independent of the other. Boiler and Pressure Vessel rules at temperatures exceeding
Combining values from the two systems may result in noncon- 1000°F [540°C], then use Supplementary Requirement S7.
formance with the specification. Grain size requirements for service exceeding 1000°F [540°C]
1.5 Unless the order specifies the applicable “M” specifica- should be specified unless the required grade has the suffix
tion designation, the material shall be furnished to the inch- “H.”
pound units.
4. Melting and Forging
2. Referenced Documents
4.1 In addition to the melting and forging requirements of
2.1 ASTM Standards: Specification A 788, which may include Supplementary Re-
A 336/A 336M Specification for Alloy Steel Forgings for quirement S8, the following condition applies:
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Pressure and High-Temperature Parts 4.1.1 A sufficient discard shall be made to secure freedom
A 370 Test Methods and Definitions for Mechanical Testing from injurious pipe and undue segregation.
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of Steel Products
NOTE 1—Because of difficulties in retaining nitrogen, vacuum melting
A 788 Specification for Steel Forgings, General Require-
or remelting processes should not be specified for Grades F304N,
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ments
F304LN, F316N, F316LN, and FXM-11.
E 112 Test Methods for Determining the Average Grain
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5. Machining
Size
2.2 Other Standards:
5.1 Forged pressure vessels for steam power service shall
ASME Boiler and Pressure Vessel Code, including Section
have the inner surface machined or ground. Unfired pressure
VIII Pressure Vessels and Section IX Welding Qualifica-
vessels shall have the inner surfaces sufficiently free of scale to
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tions
permit inspection.
5.2 When rough machining is performed, it may be done
1 either before or after heat treatment.
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
6. Heat Treatment
A01.06 on Steel Forgings and Billets.
Current edition approved March 10, 2001. Published March 2001. Originally
6.1 Forgings shall be furnished in the solution treated
published as A 965/A 965M-96. Last previous edition A 965/A 965M-00.
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condition. On completion of forging operations, the forgings
Annual Book of ASTM Standards, Vol 01.05.
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Annual Book of ASTM Standards, Vol 01.03. shall be solution annealed and quenched in water, oil, or a
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Annual Book of ASTM Standards, Vol 03.01.
polymer water solution. Direct quenching after completion of
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Available from American Society of Mechanical Engineers, 345 E. 47th Street,
forging without subsequent reheating to the temperatures
New York, NY 10017.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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A 965/A 965M
prescribed in 6.2-6.5 is not permissible. heat in the sam
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