AS/NZS4331.3:1995ISO7005-3:1988Australian/NewZealandStandardMetallicflangesPart3:CopperalloyandcompositeflangesAS/NZS4331.3:1995ThisJointAustralian/NewZealandStandardwaspreparedbyJointTechnicalCommitteeME/1,PressureEquipment.ItwasapprovedonbehalfoftheCouncilofStandardsAustraliaon19July1995andonbehalfoftheCouncilofStandardsNewZealandon24October1995.Itwaspublishedon5December1995.ThefollowinginterestsarerepresentedonCommitteeME/1:A.C.T.OccupationalHealthandSafetyOfficeAluminiumDevelopmentCouncil,AustraliaAustralianChamberofCommerceandIndustryAustralianInstituteofEnergyAustralianInstituteofPetroleumAustralianInstituteofPressureEquipmentEngineersAustralianLiquefiedPetroleumGasAssociationBoilerandPressureVesselManufacturersAssociationofAustraliaBureauofSteelManufacturersofAustraliaDepartmentforIndustrialAffairs,S.A.DepartmentofEmployment,VocationalEducation,TrainingandIndustrialRelations,QldDepartmentofLabour,NewZealandDepartmentofOccupationalHealth,SafetyandWelfare,W.A.ElectricityCorporationofNewZealandElectricitySupplyAssociationofAustraliaHeavyEngineeringResearchAssociation,NewZealandInstituteofMetalsandMaterials,AustralasiaInstitutionofEngineers,AustraliaInsuranceCouncilofAustraliaMetalTradesIndustryAssociationofAustraliaNationalAssociationofTestingAuthorities,AustraliaNewZealandEngineeringFederationNewZealandPetrochemicalUsersGroupNewZealandTimberIndustryFederationOccupationalHealthandSafetyAuthority,Vic.TasmaniaDevelopmentandResourcesWeldingTechnologyInstituteofAustraliaWorkCoverAuthority,N.S.W.WorkHealthAuthority,N.T.ReviewofStandards.Tokeepabreastofprogressinindustry,JointAustralian/NewZealandStandardsaresubjecttoperiodicreviewandarekeptuptodatebytheissueofamendmentsorneweditionsasnecessary.ItisimportantthereforethatStandardsusersensurethattheyareinpossessionofthelatestedition,andanyamendmentsthereto.FulldetailsofallJointStandardsandrelatedpublicationswillbefoundintheStandardsAustraliaandStandardsNewZealandCatalogueofPublications;thisinformationissupplementedeachmonthbythemagazines‘TheAustralianStandard’and‘StandardsNewZealand’,whichsubscribingmembersreceive,andwhichgivedetailsofnewpublications,neweditionsandamendments,andofwithdrawnStandards.SuggestionsforimprovementstoJointStandards,addressedtotheheadofficeofeitherStandardsAustraliaorStandardsNewZealand,arewelcomed.NotificationofanyinaccuracyorambiguityfoundinaJointAustralian/NewZealandStandardshouldbemadewithoutdelayinorderthatthemattermaybeinvestigatedandappropriateactiontaken.AS/NZS4331.3:1995Australian/NewZealandStandardMetallicflangesPart3:CopperalloyandcompositeflangesPUBLISHEDJOINTLYBY:STANDARDSAUSTRALIA1TheCrescent,HomebushNSW2140AustraliaSTANDARDSNEWZEALANDLevel10,StandardsHouse,155TheTerrace,Wellington6001NewZealandISBN0733700098iiPREFACEThisStandardwaspreparedbytheJointStandardsAustralia/StandardsNewZealandCommitteeME/1onPressureEquipment.ItisidenticalwithandhasbeenreproducedfromISO7005-3:1988,Metallicflanges,Part4:Copperalloyandcompositeflanges.TheobjectiveofthisStandardistoprovidedesigners,manufacturersanduserswithaninternationalStandardforflangesforuseinpressureapplications.ThisJointStandardisoneofthefollowingseriesthatappliestometallicflanges:AS/NZS4331Metallicflanges4331.1Part1:Steelflanges4331.2Part2:Castironflanges4331.3Part3:CopperalloyandcompositeflangesUnderarrangementsmadebetweenStandardsAustralia,StandardsNewZealandandISO,usersofthisJointStandardareadvisedthatinAustraliacopyrightisvestedinStandardsAustraliaandinNewZealandcopyrightisvestedinStandardsNewZealand.ItisnotintendedthisStandardbeamandatoryreplacementforanyflangeStandardsalreadyinuseinAustraliaorNewZealand.BeforeflangestothisStandardareusedwithflangesofotherStandards,compatibilityforbolting,strength,gasketseatingandthelikeshouldbechecked.Statementsexpressedinmandatorytermsinnotestotext,tablesandfiguresaredeemedtoberequirementsofthisStandard.AsthisStandardisreproducedfromaninternationalStandard,thefollowingapplies:(a)ItsnumberappearsonthecoverandtitlepagewhiletheInternationalStandardnumberappearsonlyonthecover.(b)Inthesourcetext,‘thisInternationalStandard’shouldread‘thisAustralia/NewZealandStandard’.(c)Afullpointsubstitutesforacommawhenreferringtoadecimalmarker.ReferencestointernationalStandardsshouldbereplacedbyequivalentAustralianStandards,asfollows:ReferencetoInternationalStandardAustralianStandardISOAS274Coppertubesofcircularsection—Dimensions—426Wroughtcopper-zincalloys—Chemicalcompositionandformsofwroughtproducts—426-1Part1:Non-leadedandspecialcopper-zincalloys—428Wroughtcopper-cluminiumalloys—Chemicalcompositionandformsofwroughtproducts—429Wroughtcopper-nickelalloys—Chemicalcompositionandformsofwroughtproducts—iii468Surfaceroughness—Parameters,theirvaluesandgeneralrulesforspecifyingrequirements2536SurfacetextureISO630StructuralsteelsAS—887Plainwashersformetricbolts,screwsandnuts—Generalplan—1338Castcopperalloys—Compositionandmechanicalproperties—2016Capillarysolderfittingsforcoppertubes—Assemblydimensionsandtests—6708Pipecomponents—Definitionofnominalsize—7268Pipecom