ASTM A815/A815M-09
(Specification)Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
ABSTRACT
This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction. Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. The material for fittings shall consist of forgings, bars, plates, or seamless or welded tubular products. The steel shall be melted by electric furnace, vacuum furnace, or electric furnace followed by vacuum or electroslag-consumable remelting. Forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining or by combination of two or more of these operations. The materials shall undergo heat treatment and shall follow the required cooling process and tempering temperature. Chemical and product analyses shall be performed and shall conform to the required chemical composition in carbon, manganese, phosphorus, silicon, sulfur, nickel, chromium, molybdenum, copper, nitrogen, and titanium. The mechanical properties of the fitting material shall conform to the required values in yield strength, tensile strength, elongation, and hardness.
SCOPE
1.1 This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction covered by the latest revision of Specification A 960/A 960M. Fittings differing from these standards may be furnished in accordance with Supplementary Requirement S58 of Specification A 960/A 960M.
1.1.1 Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. They are manufactured to the requirements of Specification A 960/A 960M, and they shall have pressure ratings compatible with 12.2. Class WP-S fittings are those manufactured from seamless product by a seamless method of manufacture (marked with class symbol WP-S); Class WP-W fittings are those which contain welds where the fitting fabrication or construction welds have been radiographed (marked with class symbol WP-W); and Class WP-WX fittings are those which contain welds where all welds have been radiographed (marked with class symbol WP-WX); and Class WP-WU fittings are those which contain welds where all welds have been ultrasonically tested (marked with class symbol WP-WU).
1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43, and they shall have pressure ratings compatible with 12.3.
1.2 This specification does not apply to cast fittings.
1.3 Optional supplementary requirements are provided. When desired, one or more of these may be specified in the order.
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation [SI units], the material shall be furnished to inch-pound units.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. 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.
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Designation: A 815/A 815M – 09
Standard Specification for
Wrought Ferritic, Ferritic/Austenitic, and Martensitic
1
Stainless Steel Piping Fittings
This standard is issued under the fixed designationA 815/A 815M; 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* system may not be exact equivalents; therefore, each system
shall be used independently of the other. Combining values
1.1 This specification covers two general classes, WP and
from the two systems may result in non-conformance with the
CR, of wrought ferritic, ferritic/austenitic, and martensitic
standard.
stainless steel fittings of seamless and welded construction
covered by the latest revision of Specification A 960/A 960M.
2. Referenced Documents
Fittings differing from these standards may be furnished in
2
2.1 ASTM Standards:
accordance with Supplementary Requirement S58 of Specifi-
A 262 Practices for Detecting Susceptibility to Intergranu-
cation A 960/A 960M.
lar Attack in Austenitic Stainless Steels
1.1.1 Class WP fittings are subdivided into four subclasses:
A 370 Test Methods and Definitions for MechanicalTesting
Classes WP-S, WP-W, WP-WX, and WP-WU. They are
of Steel Products
manufactured to the requirements of Specification A 960/
A 388/A 388M Practice for Ultrasonic Examination of
A 960M, and they shall have pressure ratings compatible with
Steel Forgings
12.2. Class WP-S fittings are those manufactured from seam-
A 751 Test Methods, Practices, and Terminology for
less product by a seamless method of manufacture (marked
Chemical Analysis of Steel Products
withclasssymbolWP-S);ClassWP-Wfittingsarethosewhich
A 763 Practices for Detecting Susceptibility to Intergranu-
contain welds where the fitting fabrication or construction
lar Attack in Ferritic Stainless Steels
welds have been radiographed (marked with class symbol
A 923 TestMethodsforDetectingDetrimentalIntermetallic
WP-W); and Class WP-WX fittings are those which contain
Phase in Duplex Austenitic/Ferritic Stainless Steels
welds where all welds have been radiographed (marked with
A 960/A 960M Specification for Common Requirements
class symbol WP-WX); and Class WP-WU fittings are those
for Wrought Steel Piping Fittings
which contain welds where all welds have been ultrasonically
E 165 Practice for Liquid Penetrant Examination for Gen-
tested (marked with class symbol WP-WU).
eral Industry
1.1.2 Class CR fittings are those manufactured to the
3
2.2 ASME Standards:
requirements of MSS SP-43, and they shall have pressure
B16.9 Factory-Made Wrought Butt-Welding Fittings
ratings compatible with 12.3.
B16.11 Forged Fittings, Socket-Welding and Threaded
1.2 This specification does not apply to cast fittings.
4
2.3 MSS Standards:
1.3 Optional supplementary requirements are provided.
MSS SP-43 Standard Practice for Light Weight Stainless
When desired, one or more of these may be specified in the
Steel Butt-Welding Fittings
order.
MSS SP-79 Socket-Welding Reducer Inserts
1.4 This specification is expressed in both inch-pound units
MSS SP-83 Steel Pipe Unions, Socket-Welding and
and in SI units. However, unless the order specifies the
Threaded
applicable “M” specification designation [SI units], the mate-
MSS SP-95 Swage(d) Nipples and Bull Plugs
rial shall be furnished to inch-pound units.
3
2.4 ASME Boiler and Pressure Vessel Codes:
1.5 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. Within the text, the
SI units are shown in brackets. The values stated in each 2
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.
1 3
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Available from American Society of Mechanical Engineers (ASME), ASME
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
A01.22 on Steel Forgings and Wrought Fittings for PipingApplications and Bolting www.asme.org.
4
Materials for Piping and Special Purpose Applications. AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
CurrenteditionapprovedJune1,2009.PublishedJuly2009.Originallyapproved Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-
in 1983. Last previous edition approved in 2008 as A 815/A 815M – 08b. hq.com.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 B
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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:A 815/A 815M–08b Designation: A 815/A 815M – 09
Standard Specification for
Wrought Ferritic, Ferritic/Austenitic, and Martensitic
1
Stainless Steel Piping Fittings
This standard is issued under the fixed designationA 815/A 815M; 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*
1.1 This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless
steel fittings of seamless and welded construction covered by the latest revision of Specification A 960/A 960MA960/A960M.
Fittings differing from these standards may be furnished in accordance with Supplementary Requirement S58 of Specification
A 960/A 960MA960/A960M.
1.1.1 Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. They are
manufactured to the requirements of Specification A 960/A 960MA960/A960M, and they shall have pressure ratings compatible
with 12.2. Class WP-S fittings are those manufactured from seamless product by a seamless method of manufacture (marked with
class symbol WP-S); Class WP-W fittings are those which contain welds where the fitting fabrication or construction welds have
been radiographed (marked with class symbol WP-W); and Class WP-WX fittings are those which contain welds where all welds
have been radiographed (marked with class symbol WP-WX); and Class WP-WU fittings are those which contain welds where all
welds have been ultrasonically tested (marked with class symbol WP-WU).
1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43, and they shall have pressure ratings
compatible with 12.3.
1.2 This specification does not apply to cast fittings.
1.3 Optional supplementary requirements are provided. When desired, one or more of these may be specified in the order.
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable
“M” specification designation [SI units], the material shall be furnished to inch-pound units.
1.5 The values stated in either inch-poundSI units or SIinch-pound units are to be regarded separately as standard. Within the
text, the SI units are shown in brackets. The values stated in each system aremay not be exact equivalents; therefore, each system
mustshall be used independently of the other. Combining values from the two systems may result in non-conformance with the
specification. standard.
2. Referenced Documents
2
2.1 ASTM Standards:
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A388/A388M Practice for Ultrasonic Examination of Steel Forgings
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A763 Practices for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels
A923 Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
A960/A960M Specification for Common Requirements for Wrought Steel Piping Fittings
E165 Practice for Liquid Penetrant Examination for General Industry
3
2.2 ASME Standards:
B16.9 Factory-Made Wrought Butt-Welding Fittings
B16.11 Forged Fittings, Socket-Welding and Threaded
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.22
on Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications.
Current edition approved Oct.June 1, 2008.2009. Published November 2008.July 2009. Originally approved in 1983. Last previous edition approved in 2008 as
A 815/A 815M – 08ab.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
www.asme.org.
*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
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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:A815/A815M–08b Designation: A 815/A 815M – 09
Standard Specification for
Wrought Ferritic, Ferritic/Austenitic, and Martensitic
1
Stainless Steel Piping Fittings
This standard is issued under the fixed designationA 815/A 815M; 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*
1.1 This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless
steel fittings of seamless and welded construction covered by the latest revision of SpecificationA 960/A 960M. Fittings differing
from these standards may be furnished in accordance with Supplementary Requirement S58 of Specification A 960/A 960M.
1.1.1 Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. They are
manufacturedtotherequirementsofSpecificationA 960/A 960M,andtheyshallhavepressureratingscompatiblewith12.2.Class
WP-S fittings are those manufactured from seamless product by a seamless method of manufacture (marked with class symbol
WP-S); Class WP-W fittings are those which contain welds where the fitting fabrication or construction welds have been
radiographed (marked with class symbol WP-W); and Class WP-WX fittings are those which contain welds where all welds have
beenradiographed(markedwithclasssymbolWP-WX);andClassWP-WUfittingsarethosewhichcontainweldswhereallwelds
have been ultrasonically tested (marked with class symbol WP-WU).
1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43, and they shall have pressure ratings
compatible with 12.3.
1.2 This specification does not apply to cast fittings.
1.3 Optional supplementary requirements are provided. When desired, one or more of these may be specified in the order.
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable
“M” specification designation [SI units], the material shall be furnished to inch-pound units.
1.5 The values stated in either inch-poundSI units or SIinch-pound units are to be regarded separately as standard. Within the
text, the SI units are shown in brackets. The values stated in each system aremay not be exact equivalents; therefore, each system
mustshall be used independently of the other. Combining values from the two systems may result in non-conformance with the
specification. standard.
2. Referenced Documents
2
2.1 ASTM Standards:
A 262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
A 388/A 388M Practice for Ultrasonic Examination of Steel Forgings
A 751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A 763 Practices for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels
A 923 Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
A 960/A 960M Specification for Common Requirements for Wrought Steel Piping Fittings
E 165 Test Method for Liquid Penetrant Examination
3
2.2 ASME Standards:
B16.9 Factory-Made Wrought Butt-Welding Fittings
B16.11 Forged Fittings, Socket-Welding and Threaded
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.22
on Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications.
Current edition approved Oct.June 1, 2008.2009. Published November 2008.July 2009. Originally approved in 1983. Last previous edition approved in 2008 as
A 815/A 815M – 08ab.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
www.asme.org.
*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.
1
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