【astm標準】a 217 - a 217m - 14

1、Designation:A217A217M?14EndsedbyManufacturersStardizationSocietyoftheValveFittingsIndustryEndsedbyAmericanFoundrymen’sSocietyUsedinUSDOENEStardsStardSpecificationfSteelCastingsMartensiticStainlessAlloyfPressureContaining

2、PartsSuitablefHighTemperatureService1ThisstardisissuedunderthefixeddesignationA217A217Mthenumberimmediatelyfollowingthedesignationindicatestheyearofiginaladoptioninthecaseofrevisiontheyearoflastrevision.Anumberinparenthe

3、sesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.ThisstardhasbeenapprovedfusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecification2coversmartensiticst

4、ainlesssteelalloysteelcastingsfvalvesflangesfittingsotherpressurecontainingparts(Note1)intendedprimarilyfhightemperaturecrosiveservice(Note2).1.2Onegradeofmartensiticstainlesssteelninegradesofferriticalloysteelarecovered

5、.ionwilldependondesignserviceconditionsmechanicalpropertiesthehightemperaturecrosionresistantacteristics(Note3).NOTE1—CarbonsteelcastingsfpressurecontainingpartsarecoveredbySpecificationA216A216M.Lowalloyquenchtemperedgr

6、adesequivalenttoSpecificationA217A217MgradesmaybefoundinbothSpecificationsA352A352MA487A487M.NOTE2—Thegradescoveredbythisspecificationrepresentmaterialsthataregenerallysuitablefassemblywithothercastingswroughtsteelpartsb

7、yfusionwelding.Itisnotintendedtoimplythatthesegradespossessequaldegreesofweldabilitytherefeitistheresponsibilityofthepurchasertoestablishfhimselfasuitableweldingtechnique.Sincethesegradespossessvaryingdegreesofsuitabilit

8、yfhightemperaturecrosionresistantserviceitisalsotheresponsibilityofthepurchasertodeterminewhichgradeshallbefurnisheddueconsiderationbeinggiventotherequirementsoftheapplicableconstructioncodes.NOTE3—Thecommitteefmulatingt

9、hisspecificationhasincludedninegradesofmaterialsthatareconsideredtorepresentbasictypesofferriticalloysteelssuitablefvalvesflangesfittingsotherpressurecontainingparts.Additionalalloysteelsthatmaybetterfulfillcertaintypeso

10、fservicewillbeconsideredfinclusioninthisspecificationbythecommitteeastheneedbecomesapparent.1.3ThevaluesstatedineitherSIunitsinchpoundunitsaretoberegardedseparatelyasstard.Thevaluesstatedineachsystemmaynotbeexactequivale

11、ntstherefeeachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconfmancewiththestard.2.ReferencedDocuments2.1ASTMStards:3A216A216MSpecificationfSteelCastingsCarbonSuitablefFusionWeld

12、ingfHighTemperatureServiceA352A352MSpecificationfSteelCastingsFerriticMartensiticfPressureContainingPartsSuitablefLowTemperatureServiceA487A487MSpecificationfSteelCastingsSuitablefPressureServiceA488A488MPracticefSteelCa

13、stingsWeldingQualificationsofProceduresPersonnelA703A703MSpecificationfSteelCastingsGeneralRequirementsfPressureContainingPartsA802A802MPracticefSteelCastingsSurfaceAcceptanceStardsVisualExaminationA985A985MSpecification

14、fSteelInvestmentCastingsGeneralRequirementsfPressureContainingPartsE165PracticefLiquidPerantExaminationfGeneralIndustryE709GuidefMagicParticleTesting2.2AWSSpecifications:4A5.5A5.5MLowAlloySteelElectrodesfShieldedMetalArc

15、WeldingA5.23A5.23MLowAlloySteelElectrodesFluxesfSubmergedArcWeldingA5.28A5.28MLowAlloySteelElectrodesRodsfGasShieldedArcWelding1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteelStainlessSteelRelatedAlloysi

16、sthedirectresponsibilityofSubcommitteeA01.18onCastings.CurrenteditionapprovedMay12014.PublishedMay2014.iginallyapprovedin1939.Lastpreviouseditionapprovedin2012asA217A217M–12.DOI:10.1520A0217_A0217M14.2FASMEBoilerPressure

17、VesselCodeapplicationsseerelatedSpecificationSA217SA217MinSectionIIofthatcode.3FreferencedASTMstardsvisittheASTMwebsitewww.astm.gcontactASTMCustomerServiceat.FAnnualBookofASTMStardsvolumeinfmationrefertothestard’sDocumen

18、tSummarypageontheASTMwebsite.4AvailablefromAmericanWeldingSociety550NWLeJueneRd.MiamiFL33126:www.aws.g.ASummaryofChangessectionappearsattheendofthisstardCopyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohocke

19、nPA194282959.UnitedStates1castingsshallnotexceed1.0%.WeldrepairedGradeC12Acastingsshallbepostweldheattreatedat13501470F[730800C].9.3Weldrepairsshallbeinspectedtothesamequalitystardsthatareusedtoinspectthecastings.Whencas

20、tingsareproducedwithSupplementaryRequirementS4specifiedweldrepairsshallbeinspectedbymagicparticleexaminationtothesamestardsthatareusedtoinspectthecastings.WhencastingsareproducedwithSupplementaryRequirementS5specifiedwel

21、drepairsoncastingsthathaveleakedonhydrostatictestoncastingsinwhichthedepthofanycavitypreparedfrepairweldingexceeds20%ofthewallthickness1in.[25mm]whicheverissmalleroncastingsinwhichanycavitypreparedfweldingisgreaterthanap

22、proximately10in.2[65cm2]shallberadiographedtothesamestardsthatareusedtoinspectthecastings.9.4Weldrepairsshallbeconsideredmajinthecaseofacastingthathasleakedonhydrostatictestwhenthedepthofthecavitypreparedfweldingexceeds2

23、0%ofthewallTABLE1ChemicalRequirementsANOTE1—Allvaluesaremaximumunlessotherwiseposition%CarbonMolybdenumNickelChromiumMolybdenumNickelChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumChromiumMolybdenumChromiumMolybde

24、numChromiumMolybdenumChromiumMolybdenumVanadiumChromiumGradeIdentificationSymbolWC1WC4WC5WC6WC9WC11C5C12C12ACA15UNSNumberJ12524J12082J22000J12072J21890J11872J42045J82090J84090J91150Carbon0.250.05–0.200.05–0.200.05–0.200.

25、05–0.180.15–0.210.200.200.080.120.15Manganese0.50–0.800.50–0.800.40–0.700.50–0.800.40–0.700.50–0.800.40–0.700.35–0.650.30–0.601.00Phosphus0.040.040.040.035B0.0350.0200.04B0.035B0.0250.040BSulfur0.0450.0450.0450.035B0.035

26、B0.0150.045B0.035B0.0100.025BSilicon0.600.600.600.600.600.30–0.600.751.000.20–0.501.50Nickel...0.70–1.100.60–1.00...............0.401.00Chromium...0.50–0.800.50–0.901.00–1.502.00–2.751.00–1.504.00–6.508.00–10.008.0–9.511

27、.5–14.0Molybdenum0.45–0.650.45–0.650.90–1.200.45–0.650.90–1.200.45–0.650.45–0.650.90–1.200.85–1.050.50Columbium.....................0.030.060–0.10...Nitrogen........................0.030–0.070...Vanadium.................

28、....0.060.18–0.25...SpecifiedResidualElementsAluminum...............0.01......0.02...Copper0.500.500.500.500.500.350.500.50......Nickel0.50......0.500.500.500.500.50......Chromium0.35...........................Titanium..

29、......................0.01...Tungsten0.100.100.100.100.10...0.100.10......Vanadium...............0.03............Zirconium........................0.01...Totalcontentoftheseresidualelements1.000.600.601.001.001.001.001.00

30、AWhereellipses()appearinthistablethereisnorequirementtheelementneednotbeanalyzedfrepted.BFlowermaximumphosphussulfurcontentsseeSupplementaryRequirementS52.TABLE2TensileRequirementsAGradeTensileStrengthksi[MPa]YieldStreng

31、thBminksi[MPa]Elongationin2in.[50mm]min%CReductionofAreamin%WC165[450]to90[620]35[240]2435WC4WC5WC6WC970[485]to95[655]40[275]2035WC1180[550]to105[725]50[345]1845C5C1290[620]to115[795]60[415]1835C12A85[585]to110[760]60[41

32、5]1845CA1590[620]to115[795]65[450]1830AWhereellipses()appearinthistablethereisnorequirement.BDeterminebyeither0.2%offsetmethod0.5%extensionunderloadmethod.CWhenICItestbarsareusedintensiletestingasprovidedfinSpecification

33、A703A703Mthegagelengthtoreducedsectiondiameterratioshallbe4to1.TABLE3MinimumPreheatTemperaturesGradeThicknessin.[mm]MinimumPreheatTemperatureF[C]WC15?8underOver5?8[15.9]50[10]250[120]WC4All300[150]WC5All300[150]WC6All300