Standard Specification for Castings, Austenitic, for Pressure-Containing Parts

ABSTRACT
This specification covers austenitic steel castings for valves, flanges, fittings, and other pressure-containing parts. The steel shall be made by the electric furnace process with or without separate refining such as argon-oxygen decarburization. All castings shall receive heat treatment followed by quench in water or rapid cool by other means as noted. The steel shall conform to both chemical composition and tensile property requirements.
SCOPE
1.1 This specification2 covers austenitic steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1). Note 1—Carbon steel castings for pressure-containing parts are covered by Specification A216/A216M, low-alloy steel castings by Specification A217/A217M, and duplex stainless steel castings by Specification A995/A995M.  
1.2 A number of grades of austenitic steel castings are included in this specification. Since these grades possess varying degrees of suitability for service at high temperatures or in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished. Selection will depend on design and service conditions, mechanical properties, and high-temperature or corrosion-resistant characteristics, or both.  
1.2.1 Because of thermal instability, Grades CE20N, CF3A, CF3MA, and CF8A are not recommended for service at temperatures above 800°F [425°C].  
1.3 Supplementary requirements of an optional nature are provided for use at the option of the purchaser. The Supplementary requirements shall apply only when specified individually by the purchaser in the purchase order or contract.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.4.1 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply. Within the text, the SI units are shown in brackets or parentheses.

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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: A351/A351M −13a
StandardSpecification for
1
Castings, Austenitic, for Pressure-Containing Parts
This standard is issued under the fixed designationA351/A351M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 2. Referenced Documents
2 3
1.1 This specification covers austenitic steel castings for 2.1 ASTM Standards:
valves, flanges, fittings, and other pressure-containing parts A216/A216M SpecificationforSteelCastings,Carbon,Suit-
(Note 1). able for Fusion Welding, for High-Temperature Service
A217/A217M Specification for Steel Castings, Martensitic
NOTE 1—Carbon steel castings for pressure-containing parts are cov-
Stainless and Alloy, for Pressure-Containing Parts, Suit-
ered by Specification A216/A216M, low-alloy steel castings by Specifi-
able for High-Temperature Service
cation A217/A217M, and duplex stainless steel castings by Specification
A995/A995M.
A488/A488M Practice for Steel Castings, Welding, Qualifi-
cations of Procedures and Personnel
1.2 A number of grades of austenitic steel castings are
A703/A703M Specification for Steel Castings, General
included in this specification. Since these grades possess
Requirements, for Pressure-Containing Parts
varying degrees of suitability for service at high temperatures
A985/A985M Specification for Steel Investment Castings
or in corrosive environments, it is the responsibility of the
General Requirements, for Pressure-Containing Parts
purchaser to determine which grade shall be furnished. Selec-
A995/A995M Specification for Castings, Austenitic-Ferritic
tion will depend on design and service conditions, mechanical
(Duplex) Stainless Steel, for Pressure-Containing Parts
properties, and high-temperature or corrosion-resistant
E165 Practice for Liquid Penetrant Examination for General
characteristics, or both.
Industry
1.2.1 Because of thermal instability, Grades CE20N, CF3A,
E709 Guide for Magnetic Particle Testing
CF3MA, and CF8A are not recommended for service at
temperatures above 800°F [425°C].
2.2 Manufacturers Standardization Society of the Valve and
4
Fittings Industry Standard:
1.3 Supplementary requirements of an optional nature are
SP-55 Quality Standard for Steel Castings for Valves,
provided for use at the option of the purchaser. The Supple-
Flanges, and Fittings and Other Components (Visual
mentary requirements shall apply only when specified indi-
Method)
vidually by the purchaser in the purchase order or contract.
1.4 The values stated in either SI units or inch-pound units
3. General Conditions for Delivery
are to be regarded separately as standard. The values stated in
3.1 Other than investment castings – Material furnished to
each system may not be exact equivalents; therefore, each
this specification shall conform to the requirements of Speci-
system shall be used independently of the other. Combining
fication A703/A703M, including any supplementary require-
values from the two systems may result in non-conformance
ments that are indicated in the purchase order. Failure to
with the standard.
comply with the general requirements of Specification A703/
1.4.1 This specification is expressed in both inch-pound
A703M constitutes nonconformance with this specification. In
units and in SI units; however, unless the purchase order or
case of conflict between the requirements of this specification
contract specifies the applicable M specification designation
and Specification A703/A703M, this specification shall pre-
(SI units), the inch-pound units shall apply.Within the text, the
vail.
SI units are shown in brackets or parentheses.
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
3
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
A01.18 on Castings. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 15, 2013. Published June 2013. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1952. Last previous edition approved in 2013 as A351/A351M – 13. the ASTM website.
4
DOI: 10.1520/A0351_A0351M-13A. AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
2
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-
cation SA-351/SA-351M in Section II of that code. hq.com.
*A Summary of Changes section appears at the end of this stan
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A351/A351M − 13 A351/A351M − 13a
Standard Specification for
1
Castings, Austenitic, for Pressure-Containing Parts
This standard is issued under the fixed designation A351/A351M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
2
1.1 This specification covers austenitic steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1).
NOTE 1—Carbon steel castings for pressure-containing parts are covered by Specification A216/A216M, low-alloy steel castings by Specification
A217/A217M, and duplex stainless steel castings by Specification A995/A995M.
1.2 A number of grades of austenitic steel castings are included in this specification. Since these grades possess varying degrees
of suitability for service at high temperatures or in corrosive environments, it is the responsibility of the purchaser to determine
which grade shall be furnished. Selection will depend on design and service conditions, mechanical properties, and
high-temperature or corrosion-resistant characteristics, or both.
1.2.1 Because of thermal instability, Grades CE20N, CF3A, CF3MA, and CF8A are not recommended for service at
temperatures above 800°F [425°C].
1.3 Supplementary requirements of an optional nature are provided for use at the option of the purchaser. The Supplementary
requirements shall apply only when specified individually by the purchaser in the purchase order or contract.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.4.1 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract
specifies the applicable M specification designation (SI units), the inch-pound units shall apply. Within the text, the SI units are
shown in brackets or parentheses.
2. Referenced Documents
3
2.1 ASTM Standards:
A216/A216M Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service
A217/A217M Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for
High-Temperature Service
A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
A703/A703M Specification for Steel Castings, General Requirements, for Pressure-Containing Parts
A985/A985M Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts
A995/A995M Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts
E165 Practice for Liquid Penetrant Examination for General Industry
E709 Guide for Magnetic Particle Testing
4
2.2 Manufacturers Standardization Society of the Valve and Fittings Industry Standard:
SP-55 Quality Standard for Steel Castings for Valves, Flanges, and Fittings and Other Components (Visual Method)
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.18
on Castings.
Current edition approved May 1, 2013May 15, 2013. Published May 2013June 2013. Originally approved in 1952. Last previous edition approved in 20122013 as
A351/A351M – 12b.A351/A351M – 13. DOI: 10.1520/A0351_A0351M-13.10.1520/A0351_A0351M-13A.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-351/SA-351M in Section II of that code.
3
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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
4
Available from Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-hq.com.
*A Summary 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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