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Designation:A53/A53M–10StandardSpecificationforPipe,Steel,BlackandHot-Dipped,Zinc-Coated,WeldedandSeamless1ThisstandardisissuedunderthefixeddesignationA53/A53M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2coversseamlessandweldedblackandhot-dippedgalvanizedsteelpipeinNPS1⁄8toNPS26[DN6toDN650](Note1),inclusive,withnominalwallthickness(Note2)asgiveninTableX2.2andTableX2.3.Itshallbepermissibletofurnishpipehavingotherdimensionsprovidedthatsuchpipecomplieswithallotherrequirementsofthisspecification.Supplementaryrequirementsofanoptionalna-tureareprovidedandshallapplyonlywhenspecifiedbythepurchaser.NOTE1—ThedimensionlessdesignatorsNPS(nominalpipesize)[DN(diameternominal)]havebeensubstitutedinthisspecificationforsuchtraditionaltermsas“nominaldiameter,”“size,”and“nominalsize.”NOTE2—Thetermnominalwallthicknesshasbeenassignedforthepurposeofconvenientdesignation,existinginnameonly,andisusedtodistinguishitfromtheactualwallthickness,whichmayvaryoverorunderthenominalwallthickness.1.2Thisspecificationcoversthefollowingtypesandgrades:1.2.1TypeF—Furnace-butt-welded,continuousweldedGradeA,1.2.2TypeE—Electric-resistance-welded,GradesAandB,and1.2.3TypeS—Seamless,GradesAandB.NOTE3—SeeAppendixX1fordefinitionsoftypesofpipe.1.3Pipeorderedunderthisspecificationisintendedformechanicalandpressureapplicationsandisalsoacceptableforordinaryusesinsteam,water,gas,andairlines.Itissuitableforwelding,andsuitableforformingoperationsinvolvingcoiling,bending,andflanging,subjecttothefollowingquali-fications:1.3.1TypeFisnotintendedforflanging.1.3.2IfTypeSorTypeEisrequiredforclosecoilingorcoldbending,GradeAisthepreferredgrade;however,thisisnotintendedtoprohibitthecoldbendingofGradeBpipe.1.3.3TypeEisfurnishedeithernonexpandedorcoldexpandedattheoptionofthemanufacturer.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Sections7,8,9,13,14,and15ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.1.6Thetextofthisspecificationcontainsnotesorfootnotes,orboth,thatprovideexplanatorymaterial.Suchnotesandfootnotes,excludingthoseintablesandfigures,donotcontainanymandatoryrequirements.2.ReferencedDocuments2.1ASTMStandards:3A90/A90MTestMethodforWeight[Mass]ofCoatingonIronandSteelArticleswithZincorZinc-AlloyCoatingsA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA530/A530MSpecificationforGeneralRequirementsforSpecializedCarbonandAlloySteelPipeA700PracticesforPackaging,Marking,andLoadingMeth-odsforSteelProductsforShipment1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.09onCarbonSteelTubularProducts.CurrenteditionapprovedOct.1,2010.PublishedNovember2010.Originallyapprovedin1915.Lastpreviouseditionapprovedin2007asA53/A53M–07.DOI:10.1520/A0053_A0053M-10.2ForASMEBoilerandPressureVesselCodeapplications,seerelatedSpecifi-cationSA-53inSectionIIofthatcode.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.NotforResale--`,,```,,,,````-`-`,,`,,`,`,,`---A751TestMethods,Practices,andTerminologyforChemi-calAnalysisofSteelProductsA865SpecificationforThreadedCouplings,Steel,BlackorZinc-Coated(Galvanized)WeldedorSeamless,forUseinSteelPipeJointsB6SpecificationforZincE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE213PracticeforUltrasonicTestingofMetalPipeandTubingE273PracticeforUltrasonicTestingoftheWeldZoneofWeldedPipeandTubingE309PracticeforEddy-CurrentExaminationofSteelTu-bularProductsUsingMagneticSaturationE570PracticeforFluxLeakageExaminationofFerromag-neticSteelTubularProductsE1806PracticeforSamplingSteelandIronforDetermina-tionofChemicalComposition2.2ANSIStandards:ASCX124B1.20.1PipeThreads,GeneralPurpose42.3ASMEStandard:B36.10MWeldedandSeamlessWroughtSteelPipe52.4MilitaryStandards:MIL-STD-129MarkingforShipmentandStorage6MIL-STD-163SteelMillProductsPreparationforShip-mentandStorage62.5FederalStandards:Fed.Std.No.123MarkingforShipment(CivilAgencies)7Fed.Std.N