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1、四、ASME具体材料ASME材料所用的标准核电建设所用的ASME标准内容(1)SectionIII,NuclearPowerPlantcomponents,Division1・SubsectionNBClass1Components(2)SectionII,MaterialSpecifications・PartA-FerrousMaterials・PartB-NonferrousMaterials・PartC-WeldingRods,ElectrodesandFillerMetals・PartD-Properties(3)Sectio
2、nV,NondestructiveExamination(4)SectionIX,WeldingandBrazingQualifications(5)SectionXI,RulesforIn-serviceInspectionofNuclearPowerPlantComponents,Division1承压设备材料Pressureretainingmaterialandmaterialweldedthereto,exceptaspermittedinNB-4435,andexceptforweldingmaterial,shallco
3、nformtotherequirementsofoneofthespecificationsformaterialgiveninTables2Aand2BofASMECodeSectionII,PartD,SubpartIandtoallofthespecialrequirementsofArticleNB-2000whichapplytotheproductforminwhichthematerialisused,exceptastheymaybemodifiedbytherequirementsofthisSpecificatio
4、n.其它材料Non-structuralattachments,suchasinsulationsupports,name-plates,andtemporaryattachments,ifrequired,maybenoncertifiedmaterial.Non-pressureretainingmaterial,suchascoolingshroudsupport,alignmentpin,studboltelongationmeasuringrodsandtools,ifany,maybeofASMEorotherStanda
5、rds.Thefollowingrequirementsshallbeapplied,unlessotherwisespeciallyoradditionallyspecifiedinthisSpecification.a.NB-2210Heattreatmentrequirementsb.NB-2220Procedureforobtainingtestcouponsandspecimensforquenchedandtemperedmaterial.FracturetoughnessrequirementsformaterialTh
6、efollowingrequirementsshallbeapplied,unlessotherwisespeciallyoradditionallyspecifiedinthisSpecification.a.NB-2310Materialtobeimpacttestedb.NB-2320Impacttestproceduresc.NB-2330Testrequirementsandacceptancestandardsd.NB-2340Numberofimpacttestsrequirede.NB-2350Retestsf.NB-
7、2360CalibrationofinstrumentsandequipmentAcceptableMaterialDesignationPressureRetainingMaterialNon-pressureRetainingMaterialASME第Ⅱ卷材料A篇铁基材料标准ASME材料种类太多，这里仅仅结合压水堆反应堆主要设备常用材料进行分析和比较。1.SA-508标准“压力容器用经真空处理的淬火加回火碳钢和合金钢锻件”使用上述标准材料的有反应堆压力容器、蒸汽发生器等，选用其中3级1类钢种。材料属于锰镍钼合金钢。2.材料的化学成
8、分元素3级C≤0.25Mn1.20～1.50P≤0.025S≤0.025Si0.15～0.40Ni0.40～1.00Cr≤0.25Mo0.45～0.60V≤0.05ASME标准属于通用商业标准，在该标准中列举了很多材料，
