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首页 ASTM A351– A351M–00 英文版

ASTM A351– A351M–00 英文版.pdf

ASTM A351– A351M–00 英文版

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2013-10-23 0人阅读 举报 0 0 暂无简介

简介:本文档为《ASTM A351– A351M–00 英文版pdf》,可适用于工程科技领域

Designation:AAM–UsedinUSDOENEStandardsStandardSpecificationforCastings,Austenitic,AusteniticFerritic(Duplex),forPressureContainingPartsThisstandardisissuedunderthefixeddesignationAAMthenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevisionAnumberinparenthesesindicatestheyearoflastreapprovalAsuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapprovalThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefenseScopeThisspecificationcoversausteniticandausteniticferritic(duplex)steelcastingsforvalves,flanges,fittings,andotherpressurecontainingparts(Note)NOTECarbonsteelcastingsforpressurecontainingpartsarecoveredbySpecificationAAM,andlowalloysteelcastingsbySpecificationAAMAnumberofgradesofausteniticandausteniticferriticsteelcastingsareincludedinthisspecificationSincethesegradespossessvaryingdegreesofsuitabilityforserviceathightemperaturesorincorrosiveenvironments,itistheresponsibilityofthepurchasertodeterminewhichgradeshallbefurnishedSelectionwilldependondesignandserviceconditions,mechanicalproperties,andhightemperatureorcorrosionresistantcharacteristics,orbothBecauseofthermalinstability,GradesCEN,CFA,CFMA,andCFAarenotrecommendedforserviceattemperaturesabove°F°CBecauseofembrittlementphases,GradeCDMCuisnotrecommendedforserviceattemperaturesabove°F°CThevaluesstatedineitherinchpoundunitsorSIunitsaretoberegardedseparatelyasstandardWithinthetext,theSIunitsareshowninbracketsThevaluesstatedineachsystemarenotexactequivalentstherefore,eachsystemmustbeusedindependentlyoftheotherCombiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecificationReferencedDocumentsASTMStandards:AAMSpecificationforSteelCastings,Carbon,SuitableforFusionWelding,forHighTemperatureServiceAAMSpecificationforSteelCastings,MartensiticStainlessandAlloy,forPressureContainingParts,SuitableforHighTemperatureServiceAAMPracticeforSteelCastings,Welding,QualificationofProceduresandPersonnelAAMSpecificationforSteelCastings,GeneralRequirements,forPressureContainingPartsETestMethodforLiquidPenetrantExaminationEGuideforMagneticParticleExaminationManufacturersStandardizationSocietyoftheValveandFittingsIndustryStandard:SPQualityStandardforSteelCastingsforValves,Flanges,andFittingsandOtherComponents(VisualMethod)GeneralConditionsforDeliveryMaterialfurnishedtothisspecificationshallconformtotherequirementsofSpecificationAAM,includinganysupplementaryrequirementsthatareindicatedinthepurchaseorderFailuretocomplywiththegeneralrequirementsofSpecificationAAMconstitutesnonconformancewiththisspecificationIncaseofconflictbetweentherequirementsofthisspecificationandSpecificationAAM,thisspecificationshallprevailThepostweldheattreatmentrequirementsofSupplementaryRequirementSmaybespecifiedwhenausteniticcastingsotherthanHK,HT,orCTCaretobesubjectedtoseverecorrosiveserviceThisspecificationisunderthejurisdictionofASTMCommitteeAonSteel,StainlessSteel,andRelatedAlloysandisthedirectresponsibilityofSubcommitteeAonCastingsCurrenteditionapprovedSept,PublishedOctoberOriginallypublishedasA–TLastpreviouseditionAAMa()ForASMEBoilerandPressureVesselCodeapplications,seerelatedSpecificationSASAMinSectionIIofthatcodeAnnualBookofASTMStandards,VolAnnualBookofASTMStandards,VolAvailablefromManufacturers’StandardizationSocietyoftheValveandFittingsIndustry,NFortMyerDrive,Arlington,VACopyright©ASTMInternational,BarrHarborDrive,POBoxC,WestConshohocken,PA,UnitedStatesNOTICE:ThisstandardhaseitherbeensupercededandreplacedbyanewversionordiscontinuedContactASTMInternational(wwwastmorg)forthelatestinformationOrderingInformationTheinquiryandordershouldincludeorindicatethefollowing:Adescriptionofthecastingbypatternnumberordrawing(dimensionaltolerancesshallbeincludedonthecastingdrawing),Gradeofsteel,Optionsinthespecification,andSupplementaryrequirementsdesired,includingthestandardsofacceptanceProcessThesteelshallbemadebytheelectricfurnaceprocesswithorwithoutseparaterefiningsuchasargonoxygendecarburization(AOD)HeatTreatmentAllcastingsshallreceiveaheattreatmentatthetemperaturespecifiedinTable,followedbyaquenchinwaterorrapidcoolbyothermeansexceptasnotedNOTEProperheattreatmentofthesealloysisusuallynecessarytoenhancecorrosionresistanceandinsomecasestomeetmechanicalpropertiesMinimumheattreattemperaturesarespecifiedhowever,itissometimesnecessarytoheattreatathighertemperatures,holdforsomeminimumtimeattemperatureandthenrapidlycoolthecastingsinordertoenhancethecorrosionresistanceandmeetmechanicalpropertiesChemicalCompositionThesteelshallconformtotherequirementsastochemicalcompositionprescribedinTableTensilePropertiesSteelusedforthecastingsshallconformtotherequirementsastotensilepropertiesprescribedinTableQualityThesurfaceofthecastingshallbeexaminedvisuallyandshallbefreeofadheringsand,scale,cracks,andhottearsOthersurfacediscontinuitiesshallmeetthevisualacceptancestandardsspecifiedintheorderVisualMethodSPorothervisualstandardsmaybeusedtodefineacceptablesurfacediscontinuitiesandfinishUnacceptablevisualsurfacediscontinuitiesshallberemovedandtheirremovalverifiedbyvisualexaminationoftheresultantcavitiesWhenadditionalinspectionisdesired,SupplementaryRequirementsS,S,andSmaybeorderedThecastingsshallnotbepeened,plugged,orimpregnatedtostopleaksRepairbyWeldingRepairsshallbemadeusingproceduresandweldersqualifiedunderPracticeAAMWeldrepairsshallbeinspectedtothesamequalitystandardsthatareusedtoinspectthecastingsWhencastingsareproducedwithSupplementaryRequirementSspecified,weldrepairsoncastingsthathaveleakedonhydrostatictest,oroncastingsinwhichthedepthofanycavitypreparedforrepairweldingexceedsofthewallthicknessorinmm,whicheverissmaller,oroncastingsinwhichanycavitypreparedforweldingisgreaterthanapproximatelyincm,shallberadiographedtothesamestandardsthatareusedtoinspectthecastingsWhencastingsareproducedwithSupplementaryRequirementSspecified,weldrepairsshallbeinspectedbyliquidpenetrantexaminationtothesamestandardsthatareusedtoinspectthecastingsNOTEWhenausteniticsteelcastingsaretobeusedinserviceswheretheywillbesubjecttostresscorrosion,thepurchasershouldsoindicateinhisorderandsuchcastingsshouldbesolutionheattreatedfollowingallweldrepairsKeywordsausteniticstainlesssteelduplexstainlesssteelpressurecontainingpartsstainlesssteelsteelcastingsTABLEHeatTreatmentRequirementsGradeTemperature,min°F°CHK,HK,HT,CTCascastascastCF,CFA,CF,CFA,CFM,CFMA,CFM,CFMN,CGM,CF,CFM,CGM,CDMCuCFSMnN,CFC,CFMCCDMWCuNCNM,CGMMN,CEMNCKMCuN,CNMN,CH,CH,CH,CKCENAAGradeshallbequenchedinwaterorthecastingsmaybefurnacecooledto°F°Cminimum,heldforminminimumandthenquenchedinwaterorrapidlycooledbyothermeansAAM–NOTICE:ThisstandardhaseitherbeensupercededandreplacedbyanewversionordiscontinuedContactASTMInternational(wwwastmorg)forthelatestinformationTABLEChemicalRequirementsNOTETungstenisanewelementforTableElement,(max,exceptwhererangeisgiven)CF,CFACF,CFACFM,CFMACFMCFMNCFCCFCFM(J)CHCHCHCKHKHKHTCFMCCNMCNMNCDMCuCEMNCGMMNCGMCFSMnNCTCCKMCuNCENCGM(J)CDMWCuNACarbon–––––––––maxManganese–––maxSilicon––maxSulfurmaxPhosphorusmaxChromium––––––––––––––––––––––––––––Nickel––––––––––––––––––––––––––––Molybde––––––––––––––numColumbiumBC––(niobium)Vanadium–Nitrogen––––––––Copper–max–––Tungsten–IronBalACrMoN$BGradeCFCshallhaveacolumbiumcontentofnotlessthantimesthecarboncontentbutnotoverCGradeCFMCshallhaveacolumbiumcontentofnotlessthantimesthecarboncontentbutnotoverAAM–NOTICE:ThisstandardhaseitherbeensupercededandreplacedbyanewversionordiscontinuedContactASTMInternational(wwwastmorg)forthelatestinformationTABLETensileRequirementsCFCFACFCFACFMCFMACFMCFMNCFCCFCFM(J)CHCHCHCKHKHKHTCFMCCNMCNMNCDMCuCEMNCGMMNCGMCFSMnNCTCCKMCuNCENCGM(J)CDMWCuNTensilestrength,min,ksiMPa()Yieldstrength,Amin,ksiMPa()Elongationininormm,Bmin,Reductionofarea,min,ADeterminebytheoffsetmethodBWhenICItestbarsareusedintensiletestingasprovidedforinSpecificationAAM,thegagelengthtoreducedsectiondiameterratioshallbetoAAM–NOTICE:ThisstandardhaseitherbeensupercededandreplacedbyanewversionordiscontinuedContactASTMInternational(wwwastmorg)forthelatestinformationSUPPLEMENTARYREQUIREMENTSThefollowingsupplementaryrequirementsshallnotapplyunlessspecifiedinthepurchaseorderAlistofstandardizedsupplementaryrequirementsforuseattheoptionofthepurchaserisincludedinSpecificationAAMThosewhichareordinarilyconsideredsuitableforusewiththisspecificationaregivenbelowOthersenumeratedinSpecificationAAMmaybeusedwiththisspecificationuponagreementbetweenthemanufacturerandpurchaserSDestructionTestsSRadiographicInspectionSLiquidPenetrantInspectionSExaminationofWeldPreparationSThemethodofperformingthemagneticparticleorliquidpenetranttestshallbeinaccordancewithPracticeEorPracticeESPostWeldHeatTreatmentSAllausteniticcastings,exceptGradesHK,HT,andCTC,whichhavebeensubjectedtoweldrepairs,shallbegivenapostweldsolutionheattreatmentASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandardUsersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibilityThisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsandifnotrevised,eitherreapprovedorwithdrawnYourcommentsareinvitedeitherforrevisionofthisstandardorforadditionalstandardsandshouldbeaddressedtoASTMInternationalHeadquartersYourcommentswillreceivecarefulconsiderationatameetingoftheresponsibletechnicalcommittee,whichyoumayattendIfyoufeelthatyourcommentshavenotreceivedafairhearingyoushouldmakeyourviewsknowntotheASTMCommitteeonStandards,attheaddressshownbelowThisstandardiscopyrightedbyASTMInternational,BarrHarborDrive,POBoxC,WestConshohocken,PA,UnitedStatesIndividualreprints(singleormultiplecopies)ofthisstandardmaybeobtainedbycontactingASTMattheaboveaddressorat(phone),(fax),orserviceastmorg(email)orthroughtheASTMwebsite(wwwastmorg)AAM–NOTICE:ThisstandardhaseitherbeensupercededandreplacedbyanewversionordiscontinuedContactASTMInternational(wwwastmorg)forthelatestinformation主营业务范围:ASTMASTMASTMASTM、NASNASNASNAS、NASMNASMNASMNASM、MILMILMILMIL、ISOISOISOISO、ENENENEN、DINDINDINDIN、JISJISJISJIS等技术标准翻译技术资料翻译NADCAPNADCAPNADCAPNADCAP认证标准资料翻译国外技术标准中文版优惠低价代购等。业务QQQQQQQQ:专业专注于技术翻译诚信实惠物超所值的服务可靠的质量保证

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ASTM A351– A351M–00 英文版

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