ASTM A858/A858M-06

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Designation: A 858/A 858M – 06
Standard Specification for
Heat-Treated Carbon Steel Fittings for Low-Temperature and
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Corrosive Service
ThisstandardisissuedunderthefixeddesignationA858/A858M;thenumberimmediatelyfollowingthedesignationindicatestheyear
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 (e) indicates an editorial change since the last revision or reapproval.
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1. Scope* 2.2 ASTM Standards:
A370 TestMethodsandDefinitionsforMechanicalTesting
1.1 This specification covers heat-treated wrought carbon
of Steel Products
steel piping fittings with lowered carbon content of seamless
A960/A960M Specification for Common Requirements
and electric fusion-welded construction covered by the latest
for Wrought Steel Piping Fittings
revisions in ASME B16.9, ASME B16.11, ASME B16.28,
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2.3 ASME Standards:
MSS-SP-75, and MSS-SP-79. Fittings differing from these
B16.9 Steel Butt-Welding Fittings
ASME and MSS standards shall be furnished in accordance
B16.11 ForgedSteelFittings,SocketWeldingandThreaded
with Supplementary Requirement S58 of Specification A960/
B16.28 Wrought Steel Buttwelding Short Radius Elbows
A960M. These fittings are for use in pressure components
and Returns
where inherent notch toughness and optimum sulfide-cracking
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2.4 MSS Standards:
resistance are required, such as oil and gas industry piping and
MSS-SP-25 The Standard Marking System of Valves,
distribution systems.
Fittings, Flanges and Unions
1.2 Optional supplementary requirements are provided for
MSS-SP-75 Specification for High Test Wrought Butt-
fittingswhenagreaterdegreeofexaminationisdesired.Oneor
Welding Fittings
more of the supplementary requirements may be specified in
MSS-P-79 Socket Welding Reducer Inserts
the order.
2.5 ASME Boiler and Pressure Vessel Code:
1.3 Thisspecificationdoesnotcovercast-weldingfittingsor
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Section V Nondestructive Examination
fittings machined from castings.
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Section VIII Division 1, Pressure Vessels
1.4 The values stated in either inch-pound units or SI units
Section IX Welding and Brazing Qualifications
are to be regarded separately as standard. Within the text, the
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2.6 American Society of Nondestructive Testing:
SIunitsareshowninbrackets.Combiningvaluesfromthetwo
SNT-TC-1A Recommended Practice for Nondestructive
systems may result in nonconformance with this specification.
Testing Personnel Qualification and Certification
The values stated in each system are not exact equivalents;
therefore,eachsystemmustbeusedindependentlyoftheother.
3. Ordering Information
Unless the other specifies the applicable “M” specification
3.1 In addition to the requirements of Specification A960/
designation (SI units), the material shall be furnished to
A960M, the following ordering information applies: require-
inch-pound units.
ments for certification of the test report.
2. Referenced Documents
4. General Requirements
2.1 In addition to those reference documents listed in
4.1 Products furnished to this specification shall conform to
Specification A960/A960M, the following list of standards
the requirements of Specification A960/A960M, including
apply to this specification.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
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This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee Standards volume information, refer to the standard’s Document Summary page on
A01.22onSteelForgingsandWroughtFittingsforPipingApplicationsandBolting the ASTM website.
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Materials for Piping and Special Purpose Applications. Available from American Society of Mechanical Engineers (ASME), ASME
Current edition approved March 1, 2006. Published March 2006. Originally International Headquarters, Three Park Ave., New York, NY 10016-5990.
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approved in 1986. Last previous edition approved in 2005 as A 858/ AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
A858M–00(2005). Industry, 1815 N. Fort Myer Drive, Arlington, VA 22209.
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Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001.
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AvailablefromTheAmericanSocietyforNondestructiveTesting(ASNT),P.O.
Box 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518.
*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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A 858/A 858M – 06
any supplementary requirements that are indicated in the 6.3 The welded joints of the fittings shall be furnished in
purchase order. Failure to comply with the general require- acco
...