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首页 A217-2010

A217-2010.pdf

A217-2010

木木毛笔
2011-10-10 0人阅读 举报 0 0 0 暂无简介

简介:本文档为《A217-2010pdf》,可适用于工程科技领域

ASTMAAMJanvierCedocumentestàusageexclusifetnoncollectifdesclientsPERSONALWEBPORTToutemiseenréseau,reproductionetrediffusion,sousquelqueformequecesoit,mêmepartielle,sontstrictementinterditesThisdocumentisintendedfortheexclusiveandnoncollectiveuseofPERSONALWEBPORT(Standardsonline)customersAllnetworkexploitation,reproductionandredissemination,evenpartial,whatevertheform(harcopyormedia),isstrictlyprohibitedPERSONALWEBPORTPourALSTOMPOWERClientLeà:Designation:AAM–EndorsedbyManufacturersStandardizationSocietyoftheValveandFittingsIndustryEndorsedbyAmericanFoundrymen’sSocietyUsedinUSDOENEStandardsStandardSpecificationforSteelCastings,MartensiticStainlessandAlloy,forPressureContainingParts,SuitableforHighTemperatureServiceThisstandardisissuedunderthefixeddesignationAAMthenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevisionAnumberinparenthesesindicatestheyearoflastreapprovalAsuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapprovalThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefenseScope*Thisspecificationcoversmartensiticstainlesssteelandalloysteelcastingsforvalves,flanges,fittings,andotherpressurecontainingparts(Note)intendedprimarilyforhightemperatureandcorrosiveservice(Note)OnegradeofmartensiticstainlesssteelandninegradesofferriticalloysteelarecoveredSelectionwilldependondesignandserviceconditions,mechanicalproperties,andthehightemperatureandcorrosionresistantcharacteristics(Note)NOTECarbonsteelcastingsforpressurecontainingpartsarecoveredbySpecificationAAMLowalloyquenchandtemperedgradesequivalenttoSpecificationAAMgradesmaybefoundinbothSpecificationsAAMandAAMNOTEThegradescoveredbythisspecificationrepresentmaterialsthataregenerallysuitableforassemblywithothercastingsorwroughtsteelpartsbyfusionweldingItisnotintendedtoimplythatthesegradespossessequaldegreesofweldabilitytherefore,itistheresponsibilityofthepurchasertoestablishforhimselfasuitableweldingtechniqueSincethesegradespossessvaryingdegreesofsuitabilityforhightemperatureandcorrosionresistantservice,itisalsotheresponsibilityofthepurchasertodeterminewhichgradeshallbefurnished,dueconsiderationbeinggiventotherequirementsoftheapplicableconstructioncodesNOTEThecommitteeformulatingthisspecificationhasincludedninegradesofmaterialsthatareconsideredtorepresentbasictypesofferriticalloysteelssuitableforvalves,flanges,fittings,andotherpressurecontainingpartsAdditionalalloysteelsthatmaybetterfulfillcertaintypesofservicewillbeconsideredforinclusioninthisspecificationbythecommitteeastheneedbecomesapparentThevaluesstatedineitherSIunitsorinchpoundunitsaretoberegardedseparatelyasstandardThevaluesstatedineachsystemmaynotbeexactequivalentstherefore,eachsystemshallbeusedindependentlyoftheotherCombiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandardReferencedDocumentsASTMStandards:AAMSpecificationforSteelCastings,Carbon,SuitableforFusionWelding,forHighTemperatureServiceAAMSpecificationforSteelCastings,FerriticandMartensitic,forPressureContainingParts,SuitableforLowTemperatureServiceAAMSpecificationforSteelCastingsSuitableforPressureServiceAAMPracticeforSteelCastings,Welding,QualificationsofProceduresandPersonnelAAMSpecificationforSteelCastings,GeneralRequirements,forPressureContainingPartsAAMPracticeforSteelCastings,SurfaceAcceptanceStandards,VisualExaminationAAMSpecificationforSteelInvestmentCastingsGeneralRequirements,forPressureContainingPartsEPracticeforLiquidPenetrantExaminationforGeneralIndustryEGuideforMagneticParticleTestingGeneralConditionsforDeliveryExceptforinvestmentcastings,castingsfurnishedtothisspecificationshallconformtotherequirementsofSpecificationAAMincludinganysupplementaryrequirementsthatareindicatedinthepurchaseorderFailuretocomplywiththegeneralrequirementsofSpecificationAThisspecificationisunderthejurisdictionofASTMCommitteeAonSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeAonCastingsCurrenteditionapprovedMay,PublishedJuneOriginallyapprovedinLastpreviouseditionapprovedinasAAM–DOI:AAMForASMEBoilerandPressureVesselCodeapplications,seerelatedSpecificationSASAMinSectionIIofthatcodeForreferencedASTMstandards,visittheASTMwebsite,wwwastmorg,orcontactASTMCustomerServiceatserviceastmorgForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,BarrHarborDrive,POBoxC,WestConshohocken,PA,UnitedStatesASTMAAM:PERSONALWEBPORTpourclientALSTOMPOWERleà:AMconstitutesnonconformancewiththisspecificationIncaseofconflictbetweentherequirementsofthisspecificationandSpecificationAAM,thisspecificationshallprevailSteelinvestmentcastingsfurnishedtothisspecificationshallconformtotherequirementsofSpecificationAAM,includinganysupplementaryrequirementsthatareindicatedinthepurchaseorderFailuretocomplywiththegeneralrequirementsofSpecificationAAMconstitutesnonconformancewiththisspecificationIncaseofconflictbetweentherequirementsofthisspecificationandSpecificationAAM,SpecificationAAMshallprevailOrderingInformationTheinquiryandordershouldincludeorindicatethefollowing:Adescriptionofthecastingbypatternnumberordrawing(dimensionaltolerancesshallbeincludedonthecastingdrawing),Gradeofsteel,Optionsinthespecification,Whetherthecastingsaretobeproducedusingtheinvestmentcastingprocess,andThesupplementaryrequirementsdesiredincludingthestandardsofacceptanceHeatTreatmentAllcastingsshallreceiveaheattreatmentpropertotheirdesignandchemicalcompositionCastingsshallbefurnishedinthenormalizedandtemperedconditionsGradesWC,WC,WC,WC,andCAshallbetemperedat°F°CminGradesWC,C,C,andWCshallbetemperedat°F°CminGradeCAshallbenormalizedat°F°Candtemperedat°F°CHeattreatmentshallbeperformedaftercastingshavebeenallowedtocoolbelowthetransformationrangeChemicalCompositionThesteelshallbeinaccordancewiththerequirementsastochemicalcompositionprescribedinTable(Note)NOTETheroleofalloyingelementsinthedevelopmentofGradeCAhasbeenextensivelyinvestigatedVandCbcontributetoprecipitationstrengtheningbyformingfineandcoherentprecipitationofM(C,N)XcarbonitridesintheferritematrixValsoprecipitatesasVNduringtemperingorduringcreepThetwoelementsaremoreeffectiveincombinationTherefore,theadditionofstrongnitrideformingelements,thosewithastrongeraffinityfornitrogenthanCbandV,asdeoxidationagents,interfereswiththesehightemperaturestrengtheningmechanismsTensileRequirementsTensileRequirementsSteelusedforthecastingsshallbeinaccordancewiththerequirementsastotensilepropertiesprescribedinTableViswanathan,RandBakker,WT,MaterialsforUltraSupercriticalFossilPowerPlants,EPRI,PaloAlto,CA,TRTABLEChemicalRequirementsNOTEAllvaluesaremaximumunlessotherwiseindicatedComposition,CarbonMolybdenumNickelChromiumMolybdenumNickelChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumVanadiumChromiumGradeIdentificationSymbolWCWCWCWCWCWCCCCACAUNSNumberJJJJJJJJJJCarbon–––––Manganese–––––––––PhosphorusSulfurSilicon––Nickel––Chromium–––––––––Molybdenum–––––––––Columbium–Nitrogen–Vanadium–SpecifiedResidualElementsAluminumCopperNickelChromiumTitaniumTungstenVanadiumZirconiumTotalcontentoftheseresidualelementsAAM–ASTMAAM:PERSONALWEBPORTpourclientALSTOMPOWERleà:QualityThesurfaceofthecastingshallbeexaminedvisuallyandshallbefreeofadheringsand,scale,cracks,andhottearsOthersurfacediscontinuitiesshallmeetthevisualacceptancestandardsspecifiedintheorderPracticeAAMorothervisualstandardsmaybeusedtodefineacceptablesurfacediscontinuitiesandfinishUnacceptablevisualsurfacediscontinuitiesshallberemovedandtheirremovalverifiedbyvisualexaminationoftheresultantcavitiesWhenmethodsinvolvinghightemperatureareusedintheremovalofdiscontinuities,castingsshallbepreheatedtoatleasttheminimumtemperaturesinTableWhenadditionalinspectionisdesired,SupplementaryRequirementsS,S,andSmaybeorderedThecastingsshallnotbepeened,plugged,orimpregnatedtostopleaksRepairbyWeldingRepairsshallbemadeusingproceduresandweldersqualifiedunderPracticeAAMWeldrepairedGradeCAcastingsshallbepostweldheattreatedat°F°CWeldrepairsshallbeinspectedtothesamequalitystandardsthatareusedtoinspectthecastingsWhencastingsareproducedwithSupplementaryRequirementSspecified,weldrepairsshallbeinspectedbymagneticparticleexaminationtothesamestandardsthatareusedtoinspectthecastingsWhencastingsareproducedwithSupplementaryRequirementSspecified,weldrepairsoncastingsthathaveleakedonhydrostatictest,oroncastingsinwhichthedepthofanycavitypreparedforrepairweldingexceedsofthewallthicknessorinmm,whicheverissmaller,oroncastingsinwhichanycavitypreparedforweldingisgreaterthanapproximatelyincm,shallberadiographedtothesamestandardsthatareusedtoinspectthecastingsWeldrepairsshallbeconsideredmajorinthecaseofacastingthathasleakedonhydrostatictest,orwhenthedepthofthecavitypreparedforweldingexceedsofthewallthicknessorinmm,whicheverissmaller,orwhentheextentofthecavityexceedsapproximatelyincmAllcastingswithmajorrepairweldsshallbethermallystressrelievedorcompletelyreheattreatedThismandatorystressrelieforreheattreatmentshallbeinaccordancewiththequalifiedprocedureusedMajorrepairsshallbeinspectedtothesamequalitystandardsthatareusedtoinspectthecastingsKeywordsalloysteelhightemperaturemartensiticstainlesssteelpressurecontainingsteelcastingsTABLETensileRequirementsGradeTensileStrength,ksiMPaYieldStrength,Amin,ksiMPaElongationininmmmin,BReductionofArea,min,WCtoWC,WC,WC,WCtoWCtoC,CtoCAtoCAtoADeterminebyeitheroffsetmethodorextensionunderloadmethodBWhenICItestbarsareusedintensiletestingasprovidedforinSpecificationAAM,thegagelengthtoreducedsectiondiameterratioshallbetoTABLEMinimumPreheatTemperaturesGradeThickness,inmmMinimumPreheatTemperature,°F°CWC⁄andunderOver⁄WCAllWCAllWCAllWCAllWCAllCAllCAllCAAllCAAllAAM–ASTMAAM:PERSONALWEBPORTpourclientALSTOMPOWERleà:SUPPLEMENTARYREQUIREMENTSThefollowingsupplementaryrequirementsshallnotapplyunlessspecifiedinthepurchaseorderListsofstandardizedsupplementaryrequirementsforuseattheoptionofthepurchaserareincludedinSpecificationsAAMandAAMThosewhichareordinarilyconsideredsuitableforusewiththisspecificationaregivenbelowOthersenumeratedinSpecificationsAAMandAAMmaybeusedwiththisspecificationuponagreementbetweenthemanufacturerandpurchaserSUnspecifiedElementsSDestructionTestsSBendTestsSMagneticParticleInspectionSRadiographicInspectionSExaminationofWeldPreparationSThemethodofperformingthemagneticparticleorliquidpenetranttestshallbeinaccordancewithTestMethodEorGuideESHardnessTestSHeatTreatmentFurnaceRecordSHeatTreatmentSMandatoryPostweldHeatTreatmentSAllcastingswithrepairweldsshallreceiveamandatorythermalstressrelieforcompletereheattreatmentinaccordancewiththequalifiedprocedureafterallweldrepairsSUMMARYOFCHANGESCommitteeAhasidentifiedthelocationofselectedchangestothisstandardsincethelastissue(AAM–)thatmayimpacttheuseofthisstandard(ApprovedMay,)()TablehasbeenrevisedtolimittheColumbiumandVanadiumcontentsCommitteeAhasidentifiedthelocationofselectedchangestothisstandardsincethelastissue(AAM–)thatmayimpacttheuseofthisstandard(ApprovedNov,)()RevisedtheintroductoryparagraphtothelistofSupplementaryRequirementstoreferenceSpecificationAAMforinvestmentcastingsorderedtothisspecificationASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandardUsersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibilityThisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsandifnotrevised,eitherreapprovedorwithdrawnYourcommentsareinvitedeitherforrevisionofthisstandardorforadditionalstandardsandshouldbeaddressedtoASTMInternationalHeadquartersYourcommentswillreceivecarefulconsiderationatameetingoftheresponsibletechnicalcommittee,whichyoumayattendIfyoufeelthatyourcommentshavenotreceivedafairhearingyoushouldmakeyourviewsknowntotheASTMCommitteeonStandards,attheaddressshownbelowThisstandardiscopyrightedbyASTMInternational,BarrHarborDrive,POBoxC,WestConshohocken,PA,UnitedStatesIndividualreprints(singleormultiplecopies)ofthisstandardmaybeobtainedbycontactingASTMattheaboveaddressorat(phone),(fax),orserviceastmorg(email)orthroughtheASTMwebsite(wwwastmorg)PermissionrightstophotocopythestandardmayalsobesecuredfromtheASTMwebsite(wwwastmorgCOPYRIGHT)AAM–ASTMAAM:PERSONALWEBPORTpourclientALSTOMPOWERleà:ScopeReferencedDocumentsGeneralConditionsforDeliveryOrderingInformationHeatTreatmentChemicalCompositionTensileRequirementsTABLEQualityRepairbyWeldingKeywordsTABLETABLE

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