ASTM A858/A858M-14
(Specification)Standard Specification for Heat-Treated Carbon Steel Fittings for Low-Temperature and Corrosive Service
Standard Specification for Heat-Treated Carbon Steel Fittings for Low-Temperature and Corrosive Service
ABSTRACT
This specification covers heat-treated wrought carbon steel piping fittings with lowered carbon content of seamless and electric fusion-welded construction for low-temperature and corrosive service applications. These fittings are for use in pressure components where inherent notch toughness and optimum sulfide-cracking resistance are required, such as oil and gas industry piping and distribution systems. The materials shall be manufactured by forging and shaping methods which involves hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of these operations. Fittings shall be heat treated by normalizing, quenching, and tempering or stress-relieving. Product analyses shall be performed wherein specimens shall conform to required chemical composition of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, and copper. The fittings shall undergo tension and impact tests, and shall conform to the following mechanical requirements: yield strength, tensile strength, elongation, and notch toughness.
SCOPE
1.1 This specification covers heat-treated wrought carbon steel piping fittings with lowered carbon content of seamless and electric fusion-welded construction covered by the latest revisions in ASME B16.9, ASME B16.11, MSS SP-75, MSS SP-79, MSS SP-83, MSS SP-95, or MSS SP-97. Fittings differing from these ASME and MSS standards shall be furnished in accordance with Supplementary Requirement S58 of Specification A960/A960M. These fittings are for use in pressure components where inherent notch toughness and optimum sulfide-cracking resistance are required, such as oil and gas industry piping and distribution systems.
1.2 Optional supplementary requirements are provided for fittings when a greater degree of examination is desired. One or more of the supplementary requirements may be specified in the order.
1.3 This specification does not cover cast-welding fittings or fittings machined from castings.
1.4 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. Unless the other specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.
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Designation:A858/A858M −14
Standard Specification for
Heat-Treated Carbon Steel Fittings for Low-Temperature and
1
Corrosive Service
This standard is issued under the fixed designationA858/A858M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
2
1. Scope* 2.2 ASTM Standards:
A960/A960MSpecification for Common Requirements for
1.1 This specification covers heat-treated wrought carbon
Wrought Steel Piping Fittings
steel piping fittings with lowered carbon content of seamless
3
2.3 ASME Standards:
and electric fusion-welded construction covered by the latest
B16.9Steel Butt-Welding Fittings
revisions in ASME B16.9, ASME B16.11, MSS SP-75, MSS
B16.11Forged Steel Fittings, Socket Welding and Threaded
SP-79, MSS SP-83, MSS SP-95, or MSS SP-97. Fittings
4
2.4 MSS Standards:
differing from these ASME and MSS standards shall be
MSS SP-25 The Standard Marking System of Valves,
furnished in accordance with Supplementary Requirement S58
Fittings, Flanges and Unions
of Specification A960/A960M. These fittings are for use in
MSS SP-75Specification for High Test Wrought Butt-
pressure components where inherent notch toughness and
Welding Fittings
optimum sulfide-cracking resistance are required, such as oil
MSS SP-79Socket Welding Reducer Inserts
and gas industry piping and distribution systems.
MSS SP-83 Steel Pipe Unions, Socket-Welding and
Threaded
1.2 Optional supplementary requirements are provided for
fittingswhenagreaterdegreeofexaminationisdesired.Oneor MSS SP-95Swage(d) Nipples and Bull Plugs
MSS SP-97Integrally Reinforced Forged Branch Outlet
more of the supplementary requirements may be specified in
Fittings—Socket Welding, Threaded and Buttwelding
the order.
Ends
1.3 Thisspecificationdoesnotcovercast-weldingfittingsor
2.5 ASME Boiler and Pressure Vessel Code:
fittings machined from castings. 5
Section V
5
Section VIIIDivision 1
1.4 The values stated in either SI units or inch-pound units
Section IX
are to be regarded separately as standard. Within the text, the
6
2.6 American Society of Nondestructive Testing:
SI units are shown in brackets. The values stated in each
SNT-TC-1A Recommended Practice for Nondestructive
system may not be exact equivalents; therefore, each system
Testing Personnel Qualification and Certification
shall be used independently of the other. Combining values
from the two systems may result in non-conformance with the
3. Ordering Information
standard. Unless the other specifies the applicable “M” speci-
fication designation (SI units), the material shall be furnished 3.1 In addition to the requirements of Specification A960/
A960M, the following ordering information applies: require-
to inch-pound units.
ments for certification of the test report.
2. Referenced Documents
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
2.1 In addition to those reference documents listed in
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Specification A960/A960M, the following list of standards
Standards volume information, refer to the standard’s Document Summary page on
apply to this specification.
the ASTM website.
3
Available from American Society of Mechanical Engineers (ASME), ASME
International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
www.asme.org.
1 4
This specification is under the jurisdiction ofASTM Committee A01 on Steel, AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-
A01.22onSteelForgingsandWroughtFittingsforPipingApplicationsandBolting hq.com.
5
Materials for Piping and Special Purpose Applications. Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Current edition approved Oct. 1, 2014. Published October 2014. Originally Dr., Warrendale, PA 15096-0001, http://www.sae.org.
6
approved in 1986. Last previous edition approved in 2013 as A858/A858M–13. AvailablefromAmericanSocietyforNondestructiveTesting(ASNT),P.O.Box
DOI: 10.1520/A0858_A0858M-14. 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http://www.asnt.org.
*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
1
---------------------- Page: 1 ----------------------
A858/A858M−14
4. General Requirements 6.2.3 Radiographically examined throughout the entire
length of each weld in accordance with Articles 1 and 2 of
4.1 Products furnished to this specifica
...
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: A858/A858M − 13 A858/A858M − 14
Standard Specification for
Heat-Treated Carbon Steel Fittings for Low-Temperature and
1
Corrosive Service
This standard is issued under the fixed designation A858/A858M; 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 heat-treated wrought carbon steel piping fittings with lowered carbon content of seamless and
electric fusion-welded construction covered by the latest revisions in ASME B16.9, ASME B16.11, MSS SP-75, MSS SP-79, MSS
SP-83, MSS SP-95, or MSS SP-97. Fittings differing from these ASME and MSS standards shall be furnished in accordance with
Supplementary Requirement S58 of Specification A960/A960M. These fittings are for use in pressure components where inherent
notch toughness and optimum sulfide-cracking resistance are required, such as oil and gas industry piping and distribution systems.
1.2 Optional supplementary requirements are provided for fittings when a greater degree of examination is desired. One or more
of the supplementary requirements may be specified in the order.
1.3 This specification does not cover cast-welding fittings or fittings machined from castings.
1.4 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. Unless the
other specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.
2. Referenced Documents
2.1 In addition to those reference documents listed in Specification A960/A960M, the following list of standards apply to this
specification.
2
2.2 ASTM Standards:
A960/A960M Specification for Common Requirements for Wrought Steel Piping Fittings
3
2.3 ASME Standards:
B16.9 Steel Butt-Welding Fittings
B16.11 Forged Steel Fittings, Socket Welding and Threaded
4
2.4 MSS Standards:
MSS SP-25 The Standard Marking System of Valves, Fittings, Flanges and Unions
MSS SP-75 Specification for High Test Wrought Butt-Welding Fittings
MSS SP-79 Socket Welding Reducer Inserts
MSS SP-83 Steel Pipe Unions, Socket-Welding and Threaded
MSS SP-95 Swage(d) Nipples and Bull Plugs
MSS SP-97 Integrally Reinforced Forged Branch Outlet Fittings—Socket Welding, Threaded and Buttwelding Ends
2.5 ASME Boiler and Pressure Vessel Code:
5
Section V Nondestructive Examination
5
Section VIII Division 1, Pressure Vessels1
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 A01.22
on Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications.
Current edition approved Oct. 1, 2013Oct. 1, 2014. Published October 2013October 2014. Originally approved in 1986. Last previous edition approved in 20102013 as
A858/A858M–10a.–13. DOI: 10.1520/A0858_A0858M-13.10.1520/A0858_A0858M-14.
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.
3
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, ThreeTwo Park Ave., New York, NY 10016-5990,
http://www.asme.org.
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.
5
Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://www.sae.org.
*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
1
---------------------- Page: 1 ----------------------
A858/A858M − 14
Section IX Welding and Brazing Qualifications
6
2.6 American Society of Nondestructive Testing:
SNT-TC-1A Recommended Practice for Nondestructive Testing Personnel Qualification and Certification
3. Ordering Infor
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