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ASTM A860_A860M-09
Designation:A860/A860M–09
StandardSpecificationfor
WroughtHigh-StrengthFerriticSteelButt-WeldingFittings1
ThisstandardisissuedunderthefixeddesignationA860/A860M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(?)indicatesaneditorialchangesincethelastrevisionorreapproval.
1.1Thisspecificationcoverswroughthigh-strengthferriticsteelbutt-weldingfittingsofseamlessandelectricfusion-weldedconstructioncoveredbythelatestrevisionsofASMEB16.9andMSS-SP-75.Butt-weldingfittingsdifferingfromtheseASMEandMSSstandardsshallbefurnishedinaccor-dancewithSupplementaryRequirementS58ofSpecificationA960/A960M.Thesefittingsareforuseinhigh-pressuregasandoiltransmissionanddistributionsystems.
1.2Optionalsupplementaryrequirementsareprovidedforfittingswhenagreaterdegreeofexaminationisdesired.Oneormoreofthesupplementaryrequirementsmaybespecifiedintheorder.
1.3Thisspecificationdoesnotcovercast-weldingfittingsorfittingsmachinedfromcastings.
1.4ThevaluesstatedineitherSIunitsorinch-poundunitsareberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmayntherefore,http://www.wendangku.net/doc/3c2e.html biningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Unlesstheorderspecifiestheapplicable“M”speci-ficationdesignation(SIunits),thematerialshallbefurnishedtoinch-poundunits.
2.ReferencedDocuments2.1ASTMStandards:2
A370TestMethodsandDefinitionsforMechanicalTestingofSteelProducts
A751TestMethods,Practices,andTerminologyforChemicalAnalysisofSteelProducts
A960/A960MSpecificationforCommonRequirementsforWroughtSteelPipingFittings
ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.22onSteelForgingsandWroughtFittingsforPipingApplicationsandBoltingMaterialsforPipingandSpecialPurposeApplications.
CurrenteditionapprovedMay1,http://www.wendangku.net/doc/3c2e.html stpreviouseditionapprovedin2008asA860/A860M–08.2
ForreferencedASTMstandards,visittheASTMwebsite,http://www.wendangku.net/doc/3c2e.html ,orcontactASTMCustomerServiceatservice@http://www.wendangku.net/doc/3c2e.html .ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.
2.2ASMEStandards:3
B16.9SteelButt-WeldingFittings
2.3ASMEBoilerandPressureVesselCode:3SectionVNondestructiveExaminationSectionVIIIDivision1,PressureVessels
SectionIXWeldingandBrazingQualifications2.4MSSStandards:4
MSSSP-25TheStandardMarkingSystemofValves,Fittings,FlangesandUnions
MSS-SP-75SpecificationforHighTestWroughtButt-WeldingFittings
2.5AmericanSocietyofNondestructiveTesting:5
SNT-TC-1ARecommendedPracticeforNondestructiveTestingPersonnelQualificationandCertification3.OrderingInformation
3.1InadditiontotherequirementsofSpecificationA960/A960M,thefollowingorderinginformationapplies:3.1.1GradeSymbol,
3.1.2Requirementsforcertificationoftestreport.4.GeneralRequirements
4.1ProductfurnishedtothisspecificationshallconformtotherequirementsofSpecificationA960/A960M,includinganysupplementaryrequirementsthatareindicatedinthepurchaseorder.Failuretocomplywiththegeneralrequire-mentsofSpecificationA960/A960Mconstitutesnonconfor-mancewiththisspecification.IncaseofconflictbetweentherequirementsofthisspecificationandSpecificationA960/A960M,thisspecificationshallprevail.
5.MaterialsandManufacture
5.1Thematerialforfittingsshallbefullykilledfine-grainmaterialmadebyameltingprocessthatisintendedtoproducerounded,welldispersed,finesulphideinclusions,thatpromote
AvailablefromAmericanSocietyofMechanicalEngineers(ASME),ASMEInternationalHeadquarters,ThreeParkAve.,NewYork,NY,http://www.wendangku.net/doc/3c2e.html .4
AvailablefromManufacturersStandardizationSocietyoftheValveandFittingsIndustry(MSS),127ParkSt.,NE,Vienna,VA,http://www.wendangku.net/doc/3c2e.html .5
AvailablefromAmericanSocietyforNondestructiveTesting(ASNT),P.O.BoxArlingateLn.,Columbus,OH,http://www.wendangku.net/doc/3c2e.html .
*ASummaryofChangessectionappearsattheendofthisstandard.
Copyright(C)ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA,UnitedStates.
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