ASTM A608_A608M-2012 高温承压设备用铁-铬-镍高合金离心铸造管规格

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1、Designation:A608/A608M−12StandardSpeciÞcationforCentrifugallyCastIron-Chromium-NickelHigh-AlloyTubing1forPressureApplicationatHighTemperaturesThisstandardisissuedunderthefixeddesignationA608/A608M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforigina

2、ladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*E142MethodforControllingQualityofRadiographicTest-3ing(Withdrawn2000

3、)1.1Thisspecificationcoversiron-chromium-nickel,high-E151RecommendedPracticeforTensionTestsofMetallicalloytubesmadebythecentrifugalcastingprocessintendedMaterialsatElevatedTemperatureswithRapidHeatingforuseunderpressureathightemperatures.andConventionalorRapidStrai

4、nRates(Withdrawn1.2ThegradesofhighalloysdetailedinTable1are1984)3intendedforapplicationsrequiringstrengthandresistancetoE165PracticeforLiquidPenetrantExaminationforGeneralcorrosionandscalingathightemperatures.Industry1.3OptionalSupplementaryRequirementsS1toS11areE

5、340TestMethodforMacroetchingMetalsandAlloysprovided;thesecallforadditionalteststobemadeifdesired.3.OrderingInformation1.4Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,the3.1Ordersformaterialtothisspecificationshoul

6、dincludeSIunitsareshowninbrackets.Thevaluesstatedineachthefollowing,asrequired,todescribethedesiredmaterialsystemarenotexactequivalents;therefore,eachsystemmustadequately:beusedindependentlyofeachother.Combiningvaluesfrom3.1.1Quantity(feet,centimetres,ornumberofle

7、ngths),thetwosystemsmayresultinnonconformancewiththe3.1.2Nameofmaterial(centrifugallycasttubing),specification.3.1.3Specificationnumberandgrade(Table1),2.ReferencedDocuments3.1.4Size(outsideorinsidediameterandminimumwall2thickness,seeSection8).2.1ASTMStandards:A342/

8、A342M--`,,```,,,,````-`-`,,`,,`,`,,`---TestMethodsforPermeabilityofFeebly3.1.5Condition(seeSection9,ascastorascastwithmachiningonoutsideorinsidesurfaces