ASTM-B752-2006(2011)e2

Designation:B752–06(Reapproved2011)´2StandardSpecificationforCastings,Zirconium-Base,CorrosionResistant,forGeneralApplication1ThisstandardisissuedunderthefixeddesignationB752;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.´1NOTE—MethodE142wasremovededitoriallyfromSection2andX1.1.2wascorrectedinApril2011.´2NOTE—SIunitswereremovededitoriallyfromElongationheadinginTableS6.1inMarch2012.1.Scope1.1Thisspecificationcoverszirconiumandzirconium-alloycastingsforgeneralcorrosion-resistantandindustrialapplica-tions.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2A802/A802MPracticeforSteelCastings,SurfaceAccep-tanceStandards,VisualExaminationE8TestMethodsforTensionTestingofMetallicMaterialsE10TestMethodforBrinellHardnessofMetallicMaterialsE18TestMethodsforRockwellHardnessofMetallicMa-terialsE23TestMethodsforNotchedBarImpactTestingofMetallicMaterialsE94GuideforRadiographicExaminationE165PracticeforLiquidPenetrantExaminationforGeneralIndustryE446ReferenceRadiographsforSteelCastingsUpto2in.(50.8mm)inThickness3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1pour,n—shallconsistofallmaterialmeltedandcastatonetime.3.2LotDefinitions:3.2.1castings,n—alotshallconsistofallcastingsproducedfromthesamepour.4.OrderingInformation4.1Ordersforcastingstothisspecificationshallincludethefollowing,asrequiredtodescribetherequirementsadequately.4.1.1Descriptionofthecastingsbypatternnumberordrawing(dimensionaltolerancesshallbeincludedonthecastingdrawing),4.1.2Quantity,4.1.3GradeDesignation(seeTable1),4.1.4Optionsinthespecification,and4.1.5Supplementaryrequirementsdesired,includingthestandardsofacceptance.5.MaterialsandManufacture5.1Materialforthisspecificationshallbemeltedbycon-ventionalprocessesusedforreactivemetals.Typicalmethodsincludetheconsumableelectrodeandinductoslagmeltingprocesses.6.ChemicalComposition6.1PourAnalysis—Ananalysisofeachpourshallbemadebytheproducerfromasamplesuchasacastingortestbarthatisrepresentativeofthepour.Thechemicalcompositiondeter-minedshallconformtotherequirementsspecifiedfortherelevantgradeinTable1.6.1.1TheelementslistedinTable1areintentionalalloyingadditionsofelementswhichareinherenttothemanufactureofprimaryzirconium,zirconiumsponge,millproductorcastings.6.1.1.1ElementsotherthanthoselistedinTable1aredeemedtobecapableofoccurringinthegradeslistedinTable1byandonlybywayofunregulatedorunanalyzedscrap1ThisspecificationisunderthejurisdictionofASTMCommitteeB10onReactiveandRefractoryMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB10.02onZirconiumandHafnium.CurrenteditionapprovedApril1,2011.PublishedApril2011.Originallyapprovedin1985.Lastpreviouseditionapprovedin2006asB752–06.DOI:10.1520/B0752-06R11E02.2ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.1Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.additionstothepour.Therefore,pouranalysisforelementsnotlistedinTable1shallbeconsideredtobeinexcessoftheintentofthisspecification.6.2Whenagreeduponbyproducerandpurchaserandrequestedbythepurchaserinhiswrittenpurchaseorder,chemicalanalysisshallbecompletedforspecificresidualelementsnotlistedinthisspecification.6.3ProductAnalysis—Aproductanalysismaybemadebythepurchaseronarepresentativecastingfromanylot.Becauseofthepossibilityofoxygenorotherinterstitialcontamination,samplesforoxygen,carbon,hydrogen,andnitrogenanalysisshallbetakennocloserthan1⁄4in.(6.3mm)toacastsurfaceexceptthatcastingstoothinforthisshallbeanalyzedonrepresentativematerial.ThechemicalcompositiondeterminedshallconformtotheanalysisinTable1withinthecheckanalysisvariationsshowninTable2orshallbesubjecttorejectionbythepurchaser.6.4Intheeventofdisagreementbetweenthemanufacturerandthepurchaserontheconformanceofthematerialtotherequirementsofthisspecificationoranyspecialtestspecifiedbythepurchase,amutuallyacceptablerefereeshallperformthetestsinquestion.Theresultsofthereferee’stestingshallbeusedindeterminingconformanceofthematerialtothisspecification.7.HeatTreatment7.1Unlessotherwisespecifiedinthecontract,allcastingswillbesuppliedintheas-castconditionexceptwhenpost-weldheattreatmentisrequired.7.2Ifpost-weldheattreatmentisrequired,itshallconsistofastressreliefperformedat1050650°F(565625°C)foraminimumof1⁄2hattemperatureplusanadditional1⁄2hattemperatureperinchofthicknessforsectionsizesgreaterthan1in.(25mm).Afterheattreatment,thecastingsshouldbecooledinairorinthefurnacetoambienttemperatureunlessotherwiseagreeduponbetweenthepurchaserandproducer.8.Workmanship,FinishandAppearance8.1Allcastingsshal