2024年4月2日发(作者：游博文)
Designation:A960/A960M
−
14a
StandardSpecificationfor
CommonRequirementsforWroughtSteelPipingFittings
1
ThisstandardisissuedunderthefixeddesignationA960/A960M;thenumberimmediatelyfollowingthedesignationindicatestheyear
oforiginaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.
Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.
*
1.1Thisspecificationcoversagroupofcommonrequire-
mentsthatshallapplytowroughtsteelpipingfittingscovered
inanyofthefollowingindividualproductspecificationsorany
otherASTMspecificationthatinvokesthisspecificationor
portionsthereof:
TitleofSpecification
SpecificationforPipingFittingsofWrought
CarbonSteelandAlloySteelforModerateand
ElevatedTemperatures
SpecificationforWroughtAusteniticStainless
SteelPipingFittings
SpecificationforPipingFittingsofWroughtCarbon
SteelandAlloySteelforLow-TemperatureService
SpecificationforButt-Welding,Wrought-Carbon
Steel,PipingFittingswithImprovedNotchToughness
SpecificationforAs-WeldedWroughtAustenitic
StainlessSteelFittingsforGeneralCorrosive
ServiceatLowandModerateTemperatures
SpecificationforWroughtFerritic,Ferritic/Austenitic,
andMartensiticStainlessSteelPipingFittings
SpecificationforHeat-TreatedCarbonSteel
FittingsforLow-TemperatureandCorrosiveService
SpecificationforWroughtHigh-Strength
Low-AlloySteelButt-WeldedFittings
ASTM
Designation
A234/A234M
ineachsystemmaynotbeexactequivalents;thereforeeach
ing
valuesfromthetwosystemsmayresultinnon-conformance
withthespecifih-poundunitsshallapplyunless
the“M”designation[SI]oftheproductspecificationis
specifiedintheorder.
ncedDocuments
2.1ASTMStandards:
2
A29/A29MSpecificationforGeneralRequirementsforSteel
Bars,CarbonandAlloy,Hot-Wrought
A234/A234MSpecificationforPipingFittingsofWrought
CarbonSteelandAlloySteelforModerateandHigh
TemperatureService
A262PracticesforDetectingSusceptibilitytoIntergranular
AttackinAusteniticStainlessSteels
A370TestMethodsandDefinitionsforMechanicalTesting
ofSteelProducts
A388/A388MPracticeforUltrasonicExaminationofSteel
Forgings
A403/A403MSpecificationforWroughtAusteniticStainless
SteelPipingFittings
A420/A420MSpecificationforPipingFittingsofWrought
CarbonSteelandAlloySteelforLow-TemperatureSer-
vice
A700GuideforPackaging,Marking,andLoadingMethods
forSteelProductsforShipment
A751TestMethods,Practices,andTerminologyforChemi-
calAnalysisofSteelProducts
A758/A758MSpecificationforWrought-CarbonSteelButt-
WeldingPipingFittingswithImprovedNotchToughness
A763PracticesforDetectingSusceptibilitytoIntergranular
AttackinFerriticStainlessSteels
A774/A774MSpecificationforAs-WeldedWroughtAuste-
niticStainlessSteelFittingsforGeneralCorrosiveService
atLowandModerateTemperatures
A815/A815MSpecificationforWroughtFerritic,Ferritic/
Austenitic,andMartensiticStainlessSteelPipingFittings
A858/A858MSpecificationforHeat-TreatedCarbonSteel
ForreferencedASTMstandards,visittheASTMwebsite,,or
contactASTMCustomerServiceatservice@ualBookofASTM
Standardsvolumeinformation,refertothestandard’sDocumentSummarypageon
theASTMwebsite.
2
A403/A403M
A420/A420M
A758/A758M
A774/A774M
A815/A815M
A858/A858M
A860/A860M
1.2Incaseofconflictbetweenarequirementoftheindi-
vidualproductspecificationandarequirementofthisgeneral
requirementspecification,therequirementsoftheindividual
productspecificationshallprevailoverthoseofthisspecifica-
tion.
1.3Bymutualagreementbetweenthepurchaserandthe
supplier,additionalrequirementsmaybespecified(See
4.1.8).
Theacceptanceofanysuchadditionalrequirementsshallbe
dependentonnegotiationswiththesupplierandmustbe
includedintheorderasagreeduponbythepurchaserand
supplier.
1.4ThevaluesstatedineitherSIunitsorinch-poundunits
thetextand
thetables,uesstated
ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,
StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommittee
A01.22onSteelForgingsandWroughtFittingsforPipingApplicationsandBolting
MaterialsforPipingandSpecialPurposeApplications.
CurrenteditionapprovedNov.1,ally
eviouseditionapprovedin2014asA960/A960M–14.
DOI:10.1520/A0960_A0960M-14A.
1
*ASummaryofChangessectionappearsattheendofthisstandard
Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,States
Copyright by ASTM Int'l (all rights reserved); Wed Jun 17 03:59:15 EDT 2015
1
Downloaded/printed by
Lauren Wu (Censor International Corporation) pursuant to License Agreement. No further reproductions authorized.
A960/A960M−14a
3.1.4flange—acomponentforboltedjointsusedinpiping
systemsandpressurevessels.
3.1.5forging—theproductofasubstantiallycompressive
hotorcoldplasticworkingoperationthatconsolidatesthe
materialandproducestherequiredshape.
3.1.6Discussion—Theplasticworkingmustbeperformed
byaforgingmachine,suchasahammer,press,orringrolling
machineandmustdeformthematerialtoproduceanessen-
tiallywroughtstructurethroughoutthematerialcrosssection.
3.2Definitions—Fordefinitionsofothertermsusedinthis
specification,refertoTerminology
A941.
ngInformation
4.1Itisthepurchaser’sresponsibilitytospecifyinthe
purchaseorderallorderinginformationnecessarytopurchase
esofsuchinformationincludebut
arenotlimitedtothefollowing:
4.1.1Quantity,
4.1.2Descriptionoffittingandnominaldimensions(stan-
dardorspecial),
4.1.3Steelcompositionbygradeandclassdesignation,
4.1.4Construction,seamlessorwelded(unlessseamlessor
weldedconstructionisspecifiedbythepurchaser,eithermay
befurnishedattheoptionofthesupplier),
4.1.5Specificationnumber(includingtheyear/dateof
issue),
4.1.6ChoiceoftestingtrackfromtheoptionslistedinTest
Methods
A1058whenmaterialisorderedtoanMsuffix(SI
units)hoiceoftesttrackisnot
specifiedintheorder,thenthedefaultASTMtrackshallbe
usedasnotedinTestMethodsA1058.
4.1.7Supplementaryrequirements,and
4.1.8Additionalrequirements.
al
5.1Thematerialforfittingsshallconsistofforgings,bars,
platesandseamlessorweldedtubularproducts.
5.2Thesteelshallconformtothechemicalrequirementsof
theindividualproductspecificationandmaybemadefromany
process.
5.3Ferriticsteelsshallbefullykilled.
5.4Ifsecondarymeltingisemployed,theheatshallbe
definedasallingotsremeltedfromaprimaryheat.
cture
6.1Forgingorshapingoperationsmaybeperformedbyany
ofthemethodsincludedintheindividualproductspecification.
6.2Hollowcylindricallyshapedpartsuptoandincluding
NPS4maybemachinedfrombarorseamlesstubularmaterial
providedtheaxiallengthofthepartisapproximatelyparallel
totheaxiallengthofthefi,returnbends,teesand
headerteesshallnotbemachineddirectlyfrombarstock.
6.3Fittings,afterformingatanelevatedtemperature,shall
becooledtoatemperaturebelowthecriticalrangeunder
suitableconditionstopreventinjurybycoolingtoorapidly.
FittingsforLow-TemperatureandCorrosiveService
A860/A860MSpecificationforWroughtHigh-StrengthFer-
riticSteelButt-WeldingFittings
A941TerminologyRelatingtoSteel,StainlessSteel,Related
Alloys,andFerroalloys
A967SpecificationforChemicalPassivationTreatmentsfor
StainlessSteelParts
A1058TestMethodsforMechanicalTestingofSteel
Products—Metric
E165PracticeforLiquidPenetrantExaminationforGeneral
Industry
E213PracticeforUltrasonicTestingofMetalPipeand
Tubing
E709GuideforMagneticParticleTesting
E1916GuideforIdentificationofMixedLotsofMetals
2.2Manufacturer’sStandardizationSocietyStandards:
3
MSS-SP-25TheStandardMarkingSystemofValves,
Fittings,FlangesandUnions
MSS-SP-43StandardPracticeforLightWeightStainless
SteelButt-WeldingFittings
MSS-SP-75SpecificationforHighTestWroughtButt-
WeldingFittings
MSS-SP-79SocketWeldingReducerInserts
MSS-SP-83Class3000SteelPipeUnions,SocketWelding
andThreaded
MSS-SP-95Swage(d)NipplesandBullPlugs
MSS-SP-97IntegrallyReinforcedForgedBranchOutlet
Fittings—SocketWelding,ThreadedandButtwelding
Ends
2.3AmericanSocietyofNondestructiveTesting:
4
SNT-TC-1ARecommendedPracticeforNondestructive
TestingPersonnelQualificationandCertification
2.4ASMEStandards:
5
B16.9SteelButt-WeldingFittings
B16.11ForgedSteelFittings,SocketWeldingandThreaded
BoilerandPressureVesselCodeSectionIX
ology
3.1DefinitionsofTermsSpecifictoThisStandard:
3.1.1bar—asolidsectionthatislonginrelationshiptoits
crosssectionaldimensions,witharelativelyconstantcross
sectionthroughoutitslength.(SeeSpecification
A29/A29M
fordefinitionsrelatingtotheproductionofhotwroughtand
coldfinishedbars.)
3.1.2certifyingorganization—thecompanyorassociation
responsiblefortheconformanceof,themarkingof,andthe
certificationoftheproducttothespecificationrequirements.
3.1.3fitting—acomponentfornon-boltedjointsusedin
pipingsystemsandpressurevessels.
AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
Industry(MSS),127ParkSt.,NE,Vienna,VA22180-4602,-
.
4
AvailablefromAmericanSocietyforNondestructiveTesting(ASNT),
28518,1711ArlingateLn.,Columbus,OH43228-0518,.
5
AvailablefromAmericanSocietyofMechanicalEngineers(ASME),ASME
InternationalHeadquarters,TwoParkAve.,NewYork,NY10016-5990,
.
3
Copyright by ASTM Int'l (all rights reserved); Wed Jun 17 03:59:15 EDT 2015
2
Downloaded/printed by
Lauren Wu (Censor International Corporation) pursuant to License Agreement. No further reproductions authorized.
2024年4月2日发(作者：游博文)
Designation:A960/A960M
−
14a
StandardSpecificationfor
CommonRequirementsforWroughtSteelPipingFittings
1
ThisstandardisissuedunderthefixeddesignationA960/A960M;thenumberimmediatelyfollowingthedesignationindicatestheyear
oforiginaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.
Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.
*
1.1Thisspecificationcoversagroupofcommonrequire-
mentsthatshallapplytowroughtsteelpipingfittingscovered
inanyofthefollowingindividualproductspecificationsorany
otherASTMspecificationthatinvokesthisspecificationor
portionsthereof:
TitleofSpecification
SpecificationforPipingFittingsofWrought
CarbonSteelandAlloySteelforModerateand
ElevatedTemperatures
SpecificationforWroughtAusteniticStainless
SteelPipingFittings
SpecificationforPipingFittingsofWroughtCarbon
SteelandAlloySteelforLow-TemperatureService
SpecificationforButt-Welding,Wrought-Carbon
Steel,PipingFittingswithImprovedNotchToughness
SpecificationforAs-WeldedWroughtAustenitic
StainlessSteelFittingsforGeneralCorrosive
ServiceatLowandModerateTemperatures
SpecificationforWroughtFerritic,Ferritic/Austenitic,
andMartensiticStainlessSteelPipingFittings
SpecificationforHeat-TreatedCarbonSteel
FittingsforLow-TemperatureandCorrosiveService
SpecificationforWroughtHigh-Strength
Low-AlloySteelButt-WeldedFittings
ASTM
Designation
A234/A234M
ineachsystemmaynotbeexactequivalents;thereforeeach
ing
valuesfromthetwosystemsmayresultinnon-conformance
withthespecifih-poundunitsshallapplyunless
the“M”designation[SI]oftheproductspecificationis
specifiedintheorder.
ncedDocuments
2.1ASTMStandards:
2
A29/A29MSpecificationforGeneralRequirementsforSteel
Bars,CarbonandAlloy,Hot-Wrought
A234/A234MSpecificationforPipingFittingsofWrought
CarbonSteelandAlloySteelforModerateandHigh
TemperatureService
A262PracticesforDetectingSusceptibilitytoIntergranular
AttackinAusteniticStainlessSteels
A370TestMethodsandDefinitionsforMechanicalTesting
ofSteelProducts
A388/A388MPracticeforUltrasonicExaminationofSteel
Forgings
A403/A403MSpecificationforWroughtAusteniticStainless
SteelPipingFittings
A420/A420MSpecificationforPipingFittingsofWrought
CarbonSteelandAlloySteelforLow-TemperatureSer-
vice
A700GuideforPackaging,Marking,andLoadingMethods
forSteelProductsforShipment
A751TestMethods,Practices,andTerminologyforChemi-
calAnalysisofSteelProducts
A758/A758MSpecificationforWrought-CarbonSteelButt-
WeldingPipingFittingswithImprovedNotchToughness
A763PracticesforDetectingSusceptibilitytoIntergranular
AttackinFerriticStainlessSteels
A774/A774MSpecificationforAs-WeldedWroughtAuste-
niticStainlessSteelFittingsforGeneralCorrosiveService
atLowandModerateTemperatures
A815/A815MSpecificationforWroughtFerritic,Ferritic/
Austenitic,andMartensiticStainlessSteelPipingFittings
A858/A858MSpecificationforHeat-TreatedCarbonSteel
ForreferencedASTMstandards,visittheASTMwebsite,,or
contactASTMCustomerServiceatservice@ualBookofASTM
Standardsvolumeinformation,refertothestandard’sDocumentSummarypageon
theASTMwebsite.
2
A403/A403M
A420/A420M
A758/A758M
A774/A774M
A815/A815M
A858/A858M
A860/A860M
1.2Incaseofconflictbetweenarequirementoftheindi-
vidualproductspecificationandarequirementofthisgeneral
requirementspecification,therequirementsoftheindividual
productspecificationshallprevailoverthoseofthisspecifica-
tion.
1.3Bymutualagreementbetweenthepurchaserandthe
supplier,additionalrequirementsmaybespecified(See
4.1.8).
Theacceptanceofanysuchadditionalrequirementsshallbe
dependentonnegotiationswiththesupplierandmustbe
includedintheorderasagreeduponbythepurchaserand
supplier.
1.4ThevaluesstatedineitherSIunitsorinch-poundunits
thetextand
thetables,uesstated
ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,
StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommittee
A01.22onSteelForgingsandWroughtFittingsforPipingApplicationsandBolting
MaterialsforPipingandSpecialPurposeApplications.
CurrenteditionapprovedNov.1,ally
eviouseditionapprovedin2014asA960/A960M–14.
DOI:10.1520/A0960_A0960M-14A.
1
*ASummaryofChangessectionappearsattheendofthisstandard
Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,States
Copyright by ASTM Int'l (all rights reserved); Wed Jun 17 03:59:15 EDT 2015
1
Downloaded/printed by
Lauren Wu (Censor International Corporation) pursuant to License Agreement. No further reproductions authorized.
A960/A960M−14a
3.1.4flange—acomponentforboltedjointsusedinpiping
systemsandpressurevessels.
3.1.5forging—theproductofasubstantiallycompressive
hotorcoldplasticworkingoperationthatconsolidatesthe
materialandproducestherequiredshape.
3.1.6Discussion—Theplasticworkingmustbeperformed
byaforgingmachine,suchasahammer,press,orringrolling
machineandmustdeformthematerialtoproduceanessen-
tiallywroughtstructurethroughoutthematerialcrosssection.
3.2Definitions—Fordefinitionsofothertermsusedinthis
specification,refertoTerminology
A941.
ngInformation
4.1Itisthepurchaser’sresponsibilitytospecifyinthe
purchaseorderallorderinginformationnecessarytopurchase
esofsuchinformationincludebut
arenotlimitedtothefollowing:
4.1.1Quantity,
4.1.2Descriptionoffittingandnominaldimensions(stan-
dardorspecial),
4.1.3Steelcompositionbygradeandclassdesignation,
4.1.4Construction,seamlessorwelded(unlessseamlessor
weldedconstructionisspecifiedbythepurchaser,eithermay
befurnishedattheoptionofthesupplier),
4.1.5Specificationnumber(includingtheyear/dateof
issue),
4.1.6ChoiceoftestingtrackfromtheoptionslistedinTest
Methods
A1058whenmaterialisorderedtoanMsuffix(SI
units)hoiceoftesttrackisnot
specifiedintheorder,thenthedefaultASTMtrackshallbe
usedasnotedinTestMethodsA1058.
4.1.7Supplementaryrequirements,and
4.1.8Additionalrequirements.
al
5.1Thematerialforfittingsshallconsistofforgings,bars,
platesandseamlessorweldedtubularproducts.
5.2Thesteelshallconformtothechemicalrequirementsof
theindividualproductspecificationandmaybemadefromany
process.
5.3Ferriticsteelsshallbefullykilled.
5.4Ifsecondarymeltingisemployed,theheatshallbe
definedasallingotsremeltedfromaprimaryheat.
cture
6.1Forgingorshapingoperationsmaybeperformedbyany
ofthemethodsincludedintheindividualproductspecification.
6.2Hollowcylindricallyshapedpartsuptoandincluding
NPS4maybemachinedfrombarorseamlesstubularmaterial
providedtheaxiallengthofthepartisapproximatelyparallel
totheaxiallengthofthefi,returnbends,teesand
headerteesshallnotbemachineddirectlyfrombarstock.
6.3Fittings,afterformingatanelevatedtemperature,shall
becooledtoatemperaturebelowthecriticalrangeunder
suitableconditionstopreventinjurybycoolingtoorapidly.
FittingsforLow-TemperatureandCorrosiveService
A860/A860MSpecificationforWroughtHigh-StrengthFer-
riticSteelButt-WeldingFittings
A941TerminologyRelatingtoSteel,StainlessSteel,Related
Alloys,andFerroalloys
A967SpecificationforChemicalPassivationTreatmentsfor
StainlessSteelParts
A1058TestMethodsforMechanicalTestingofSteel
Products—Metric
E165PracticeforLiquidPenetrantExaminationforGeneral
Industry
E213PracticeforUltrasonicTestingofMetalPipeand
Tubing
E709GuideforMagneticParticleTesting
E1916GuideforIdentificationofMixedLotsofMetals
2.2Manufacturer’sStandardizationSocietyStandards:
3
MSS-SP-25TheStandardMarkingSystemofValves,
Fittings,FlangesandUnions
MSS-SP-43StandardPracticeforLightWeightStainless
SteelButt-WeldingFittings
MSS-SP-75SpecificationforHighTestWroughtButt-
WeldingFittings
MSS-SP-79SocketWeldingReducerInserts
MSS-SP-83Class3000SteelPipeUnions,SocketWelding
andThreaded
MSS-SP-95Swage(d)NipplesandBullPlugs
MSS-SP-97IntegrallyReinforcedForgedBranchOutlet
Fittings—SocketWelding,ThreadedandButtwelding
Ends
2.3AmericanSocietyofNondestructiveTesting:
4
SNT-TC-1ARecommendedPracticeforNondestructive
TestingPersonnelQualificationandCertification
2.4ASMEStandards:
5
B16.9SteelButt-WeldingFittings
B16.11ForgedSteelFittings,SocketWeldingandThreaded
BoilerandPressureVesselCodeSectionIX
ology
3.1DefinitionsofTermsSpecifictoThisStandard:
3.1.1bar—asolidsectionthatislonginrelationshiptoits
crosssectionaldimensions,witharelativelyconstantcross
sectionthroughoutitslength.(SeeSpecification
A29/A29M
fordefinitionsrelatingtotheproductionofhotwroughtand
coldfinishedbars.)
3.1.2certifyingorganization—thecompanyorassociation
responsiblefortheconformanceof,themarkingof,andthe
certificationoftheproducttothespecificationrequirements.
3.1.3fitting—acomponentfornon-boltedjointsusedin
pipingsystemsandpressurevessels.
AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
Industry(MSS),127ParkSt.,NE,Vienna,VA22180-4602,-
.
4
AvailablefromAmericanSocietyforNondestructiveTesting(ASNT),
28518,1711ArlingateLn.,Columbus,OH43228-0518,.
5
AvailablefromAmericanSocietyofMechanicalEngineers(ASME),ASME
InternationalHeadquarters,TwoParkAve.,NewYork,NY10016-5990,
.
3
Copyright by ASTM Int'l (all rights reserved); Wed Jun 17 03:59:15 EDT 2015
2
Downloaded/printed by
Lauren Wu (Censor International Corporation) pursuant to License Agreement. No further reproductions authorized.