ASME SEC VIII DIV-1 Boiler & Pressure Vessel Code 2013: Rules for Construction of Pressure Vessels PDF
Preview ASME SEC VIII DIV-1 Boiler & Pressure Vessel Code 2013: Rules for Construction of Pressure Vessels
2013 ASME Boiler and Pressure Vessel Code AN INTERNATIO NAL C ODE VIII Rules for Construction of Pressure Vessels Division 1 AN INTERNATIONAL CODE 2013 ASME Boiler & Pressure Vessel Code 2013 Edition July 1, 2013 VIII RULES FOR CONSTRUCTION OF PRESSURE VESSELS Division 1 ASME Boiler and Pressure Vessel Committee on Pressure Vessels Two Park Avenue (cid:129) New York, NY (cid:129) 10016 USA DateofIssuance:July1,2013 ThisinternationalcodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmer- icanNationalStandardsanditisanAmericanNationalStandard.TheStandardsCommitteethatapprovedthecode orstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanoppor- tunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatpro- vides an opportunity for additional public input from industry, academia, regulatory agencies, and the public- at-large. ASME does not “approve,”“rate,” or“endorse” any item, construction, proprietary device, oractivity. ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithany itemsmentionedinthisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityfor infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are ex- pressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely theirown responsibility. Participationbyfederalagencyrepresentative(s)orperson(s)affiliatedwithindustryisnottobeinterpretedas government or industry endorsementof this code or standard. ASMEacceptsresponsibilityforonlythoseinterpretationsofthisdocumentissuedinaccordancewiththeestab- lished ASME procedures and policies, which precludes the issuance of interpretationsby individuals. The endnotes in this document (if any) arepartof this American National Standard. ASMEcollectivemembershipmark CertificationMark TheaboveASMEsymbolisregisteredintheU.S.PatentOffice. “ASME”isthetrademarkofTheAmericanSocietyofMechanicalEngineers. Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrieval systemorotherwise,withoutthepriorwrittenpermissionofthepublisher. LibraryofCongressCatalogCardNumber:563934 PrintedintheUnitedStatesofAmerica AdoptedbytheCouncilofTheAmericanSocietyofMechanicalEngineers,1914;latestedition2013. TheAmericanSocietyofMechanicalEngineers TwoParkAvenue,NewYork,NY100165990 Copyright©2013by THEAMERICANSOCIETYOFMECHANICALENGINEERS Allrightsreserved TABLE OF CONTENTS ListofSections ................................................................................ xxv Foreword ..................................................................................... xxvii StatementofPolicyontheUseoftheCertificationMarkandCodeAuthorizationinAdvertising ............ xxix StatementofPolicyontheUseofASMEMarkingtoIdentifyManufacturedItems ........................ xxix SubmittalofTechnicalInquiriestotheBoilerandPressureVesselStandardsCommittees ................. xxx Personnel ..................................................................................... xxxii SummaryofChanges ........................................................................... xlvii ListofChangesinRecordNumberOrder .......................................................... lvi Cross-ReferencingandStylisticChangesintheBoilerandPressureVesselCode ......................... lx Introduction ................................................................................... 1 SubsectionA GeneralRequirements ....................................... 7 PartUG GeneralRequirementsforAllMethodsofConstructionandAll Materials ................................................. 7 Materials .................................................... 7 UG-4 General ..................................................... 7 UG-5 Plate ....................................................... 8 UG-6 Forgings .................................................... 8 UG-7 Castings .................................................... 8 UG-8 PipeandTubes .............................................. 8 UG-9 WeldingMaterials ............................................ 9 UG-10 MaterialIdentifiedwithorProducedtoaSpecificationNotPermittedby thisDivision,andMaterialNotFullyIdentified ................. 9 UG-11 PrefabricatedorPreformedPressurePartsFurnishedWithouta CertificationMark .......................................... 10 UG-12 BoltsandStuds .............................................. 12 UG-13 NutsandWashers ............................................ 12 UG-14 RodsandBars ............................................... 13 UG-15 ProductSpecification ......................................... 13 Design ...................................................... 13 UG-16 General ..................................................... 13 UG-17 MethodsofFabricationinCombination .......................... 14 UG-18 MaterialsinCombination ...................................... 14 UG-19 SpecialConstructions ......................................... 14 UG-20 DesignTemperature .......................................... 14 UG-21 DesignPressure .............................................. 15 UG-22 Loadings .................................................... 15 UG-23 MaximumAllowableStressValues .............................. 15 UG-24 Castings .................................................... 17 UG-25 Corrosion ................................................... 18 UG-26 Linings ..................................................... 18 UG-27 ThicknessofShellsUnderInternalPressure ...................... 18 UG-28 ThicknessofShellsandTubesUnderExternalPressure ............ 19 UG-29 StiffeningRingsforCylindricalShellsUnderExternalPressure ...... 22 UG-30 AttachmentofStiffeningRings ................................. 24 UG-31 Tubes,andPipeWhenUsedasTubesorShells ................... 28 UG-32 FormedHeads,andSections,PressureonConcaveSide ............ 28 UG-33 FormedHeads,PressureonConvexSide ......................... 29 UG-34 UnstayedFlatHeadsandCovers ................................ 32 iii UG-35 OtherTypesofClosures ....................................... 36 OpeningsandReinforcements .................................. 37 UG-36 OpeningsinPressureVessels .................................. 37 UG-37 ReinforcementRequiredforOpeningsinShellsandFormedHeads .. 39 UG-38 FluedOpeningsinShellsandFormedHeads ..................... 43 UG-39 ReinforcementRequiredforOpeningsinFlatHeads ............... 43 UG-40 LimitsofReinforcement ....................................... 45 UG-41 StrengthofReinforcement ..................................... 48 UG-42 ReinforcementofMultipleOpenings ............................ 48 UG-43 MethodsofAttachmentofPipeandNozzleNeckstoVesselWalls ... 50 UG-44 FlangesandPipeFittings ...................................... 52 UG-45 NozzleNeckThickness ........................................ 52 UG-46 InspectionOpenings .......................................... 53 BracedandStayedSurfaces .................................... 54 UG-47 BracedandStayedSurfaces .................................... 54 UG-48 Staybolts .................................................... 55 UG-49 LocationofStaybolts ......................................... 55 UG-50 DimensionsofStaybolts ....................................... 55 Ligaments ................................................... 56 UG-53 Ligaments ................................................... 56 UG-54 Supports .................................................... 58 UG-55 LugsforPlatforms,Ladders,andOtherAttachmentstoVesselWalls . 58 Fabrication .................................................. 58 UG-75 General ..................................................... 58 UG-76 CuttingPlatesandOtherStock ................................. 58 UG-77 MaterialIdentification(seeUG-85) .............................. 58 UG-78 RepairofDefectsinMaterials .................................. 61 UG-79 FormingPressureParts ....................................... 61 UG-80 PermissibleOut‐of‐RoundnessofCylindrical,Conical,andSpherical Shells ..................................................... 61 UG-81 ToleranceforFormedHeads ................................... 63 UG-82 LugsandFittingAttachments .................................. 63 UG-83 HolesforScrewStays ......................................... 64 UG-84 CharpyImpactTests .......................................... 64 UG-85 HeatTreatment .............................................. 70 InspectionandTests .......................................... 70 UG-90 General ..................................................... 70 UG-91 TheInspector ................................................ 71 UG-92 AccessforInspector .......................................... 71 UG-93 InspectionofMaterials ........................................ 72 UG-94 MarkingonMaterials ......................................... 73 UG-95 ExaminationofSurfacesDuringFabrication ...................... 73 UG-96 DimensionalCheckofComponentParts ......................... 73 UG-97 InspectionDuringFabrication .................................. 73 UG-98 MaximumAllowableWorkingPressure .......................... 73 UG-99 StandardHydrostaticTest ..................................... 73 UG-100 PneumaticTest(seeUW-50) ................................... 75 UG-101 ProofTeststoEstablishMaximumAllowableWorkingPressure ..... 76 UG-102 TestGages .................................................. 81 UG-103 NondestructiveTesting ....................................... 81 MarkingandReports ......................................... 81 UG-115 General ..................................................... 81 UG-116 RequiredMarking ............................................ 81 UG-117 CertificatesofAuthorizationandCertificationMarks .............. 83 UG-118 MethodsofMarking .......................................... 85 UG-119 Nameplates ................................................. 85 iv UG-120 DataReports ................................................ 86 OverpressureProtection ...................................... 88 UG-125 General ..................................................... 88 UG-126 PressureReliefValves ........................................ 89 UG-127 NonreclosingPressureReliefDevices ............................ 89 UG-128 LiquidPressureReliefValves .................................. 91 UG-129 Marking .................................................... 91 UG-130 CertificationMark ............................................ 94 UG-131 CertificationofCapacityofPressureReliefDevices ................ 94 UG-132 CertificationofCapacityofPressureReliefValvesinCombinationwith NonreclosingPressureReliefDevices .......................... 98 UG-133 DeterminationofPressureRelievingRequirements ................ 99 UG-134 PressureSettingsandPerformanceRequirements ................. 99 UG-135 Installation .................................................. 100 UG-136 MinimumRequirementsforPressureReliefValves ................ 100 UG-137 MinimumRequirementsforRuptureDiskDevices ................ 104 UG-138 MinimumRequirementsforPinDevices ......................... 105 UG-140 OverpressureProtectionbySystemDesign ....................... 107 SubsectionB RequirementsPertainingtoMethodsofFabricationofPressure Vessels ................................................... 109 PartUW RequirementsforPressureVesselsFabricatedbyWelding ...... 109 General ..................................................... 109 UW-1 Scope ....................................................... 109 UW-2 ServiceRestrictions ........................................... 109 UW-3 WeldedJointCategory ........................................ 110 Materials .................................................... 111 UW-5 General ..................................................... 111 UW-6 NonmandatoryGuidelinesforWeldingMaterialSelections ......... 112 Design ...................................................... 112 UW-8 General ..................................................... 112 UW-9 DesignofWeldedJoints ....................................... 112 UW-10 PostweldHeatTreatment ..................................... 113 UW-11 RadiographicandUltrasonicExamination ........................ 113 UW-12 JointEfficiencies ............................................. 114 UW-13 AttachmentDetails ........................................... 114 UW-14 OpeningsinorAdjacenttoWelds .............................. 123 UW-15 WeldedConnections .......................................... 124 UW-16 MinimumRequirementsforAttachmentWeldsatOpenings ........ 124 UW-17 PlugWelds .................................................. 134 UW-18 FilletWelds ................................................. 135 UW-19 WeldedStayedConstruction ................................... 135 UW-20 Tube‐to‐TubesheetWelds ..................................... 135 UW-21 ASMEB16.5SocketandSlip-onFlangeWelds .................... 139 Fabrication .................................................. 139 UW-26 General ..................................................... 139 UW-27 WeldingProcesses ........................................... 140 UW-28 QualificationofWeldingProcedure ............................. 140 UW-29 TestsofWeldersandWeldingOperators ........................ 140 UW-30 LowestPermissibleTemperaturesforWelding ................... 141 UW-31 Cutting,Fitting,andAlignment ................................. 141 UW-32 CleaningofSurfacestobeWelded .............................. 141 UW-33 AlignmentTolerance .......................................... 141 UW-34 Spin‐Holes .................................................. 141 UW-35 FinishedLongitudinalandCircumferentialJoints .................. 142 UW-36 FilletWelds ................................................. 142 v UW-37 MiscellaneousWeldingRequirements ........................... 142 UW-38 RepairofWeldDefects ........................................ 143 UW-39 Peening ..................................................... 143 UW-40 ProceduresforPostweldHeatTreatment ........................ 143 UW-41 SectioningofWeldedJoints .................................... 145 UW-42 SurfaceWeldMetalBuildup ................................... 145 InspectionandTests .......................................... 145 UW-46 General ..................................................... 145 UW-47 CheckofWeldingProcedure ................................... 146 UW-48 CheckofWelderandWeldingOperatorQualifications ............. 146 UW-49 CheckofPostweldHeatTreatmentPractice ...................... 146 UW-50 NondestructiveExaminationofWeldsonPneumaticallyTested Vessels ................................................... 146 UW-51 RadiographicExaminationofWeldedJoints ...................... 146 UW-52 SpotExaminationofWeldedJoints .............................. 146 UW-53 TechniqueforUltrasonicExaminationofWeldedJoints ............ 147 UW-54 QualificationofNondestructiveExaminationPersonnel ............ 148 MarkingandReports ......................................... 148 UW-60 General ..................................................... 148 PressureReliefDevices ....................................... 148 UW-65 General ..................................................... 148 PartUF RequirementsforPressureVesselsFabricatedbyForging ...... 149 General ..................................................... 149 UF-1 Scope ....................................................... 149 Materials .................................................... 149 UF-5 General ..................................................... 149 UF-6 Forgings .................................................... 149 UF-7 ForgedSteelRollsUsedforCorrugatingPaperMachinery .......... 149 Design ...................................................... 149 UF-12 General ..................................................... 149 UF-13 HeadDesign ................................................. 150 UF-25 CorrosionAllowance .......................................... 150 Fabrication .................................................. 150 UF-26 General ..................................................... 150 UF-27 TolerancesonBodyForgings .................................. 150 UF-28 MethodsofFormingForgedHeads .............................. 150 UF-29 ToleranceonForgedHeads .................................... 150 UF-30 LocalizedThinAreas .......................................... 150 UF-31 HeatTreatment .............................................. 150 UF-32 WeldingforFabrication ....................................... 151 UF-37 RepairofDefectsinMaterial ................................... 152 UF-38 RepairofWeldDefects ........................................ 152 UF-43 AttachmentofThreadedNozzlestoIntegrallyForgedNecksand ThickenedHeadsonVessels ................................. 153 InspectionandTests .......................................... 153 UF-45 General ..................................................... 153 UF-46 AcceptancebyInspector ...................................... 153 UF-47 PartsForging ................................................ 153 UF-52 CheckofHeatTreatmentandPostweldHeatTreatment ............ 153 UF-53 TestSpecimens .............................................. 153 UF-54 TestsandRetests ............................................ 153 UF-55 UltrasonicExamination ....................................... 153 MarkingandReports ......................................... 154 UF-115 General ..................................................... 154 PressureReliefDevices ....................................... 154 UF-125 General ..................................................... 154 vi PartUB RequirementsforPressureVesselsFabricatedbyBrazing ...... 155 General ..................................................... 155 UB-1 Scope ....................................................... 155 UB-2 ElevatedTemperature ........................................ 155 UB-3 ServiceRestrictions ........................................... 155 Materials .................................................... 155 UB-5 General ..................................................... 155 UB-6 BrazingFillerMetals .......................................... 155 UB-7 FluxesandAtmospheres ...................................... 156 Design ...................................................... 156 UB-9 General ..................................................... 156 UB-10 StrengthofBrazedJoints ...................................... 156 UB-11 QualificationofBrazedJointsforDesignTemperaturesUptothe MaximumShowninColumn1ofTableUB-2 ................... 156 UB-12 QualificationofBrazedJointsforDesignTemperaturesintheRange ShowninColumn2ofTableUB-2 ............................ 156 UB-13 Corrosion ................................................... 156 UB-14 JointEfficiencyFactors ........................................ 156 UB-15 ApplicationofBrazingFillerMetal .............................. 156 UB-16 PermissibleTypesofJoints .................................... 157 UB-17 JointClearance ............................................... 157 UB-18 JointBrazingProcedure ....................................... 157 UB-19 Openings .................................................... 158 UB-20 Nozzles ..................................................... 158 UB-21 BrazedConnections .......................................... 158 UB-22 LowTemperatureOperation ................................... 158 Fabrication .................................................. 159 UB-30 General ..................................................... 159 UB-31 QualificationofBrazingProcedure .............................. 159 UB-32 QualificationofBrazersandBrazingOperators ................... 159 UB-33 Buttstraps ................................................... 160 UB-34 CleaningofSurfacestobeBrazed ............................... 160 UB-35 ClearancebetweenSurfacestobeBrazed ........................ 160 UB-36 PostbrazingOperations ....................................... 160 UB-37 RepairofDefectiveBrazing .................................... 160 InspectionandTests .......................................... 160 UB-40 General ..................................................... 160 UB-41 InspectionDuringFabrication .................................. 160 UB-42 Procedure ................................................... 160 UB-43 BrazerandBrazingOperator ................................... 160 UB-44 VisualExamination ........................................... 160 UB-50 Exemptions ................................................. 161 MarkingandReports ......................................... 161 UB-55 General ..................................................... 161 PressureReliefDevices ....................................... 161 UB-60 General ..................................................... 161 SubsectionC RequirementsPertainingtoClassesofMaterials ............... 162 PartUCS RequirementsforPressureVesselsConstructedofCarbonandLow AlloySteels ............................................... 162 General ..................................................... 162 UCS-1 Scope ....................................................... 162 Materials .................................................... 162 UCS-5 General ..................................................... 162 UCS-6 SteelPlates .................................................. 162 UCS-7 SteelForgings ............................................... 163 vii UCS-8 SteelCastings ................................................ 163 UCS-9 SteelPipeandTubes ......................................... 163 UCS-10 BoltMaterials ............................................... 163 UCS-11 NutsandWashers ............................................ 163 UCS-12 BarsandShapes ............................................. 163 Design ...................................................... 163 UCS-16 General ..................................................... 163 UCS-19 WeldedJoints ................................................ 163 UCS-23 MaximumAllowableStressValues .............................. 164 UCS-27 ShellsMadeFromPipe ........................................ 164 UCS-28 ThicknessofShellsUnderExternalPressure ..................... 164 UCS-29 StiffeningRingsforShellsUnderExternalPressure ................ 165 UCS-30 AttachmentofStiffeningRingstoShell .......................... 165 UCS-33 FormedHeads,PressureonConvexSide ......................... 165 UCS-56 RequirementsforPostweldHeatTreatment ...................... 165 UCS-57 RadiographicExamination ..................................... 176 LowTemperatureOperation ................................... 176 UCS-65 Scope ....................................................... 176 UCS-66 Materials .................................................... 176 UCS-67 ImpactTestsofWeldingProcedures ............................ 188 UCS-68 Design ...................................................... 191 Fabrication .................................................. 192 UCS-75 General ..................................................... 192 UCS-79 FormingPressureParts ....................................... 192 UCS-85 HeatTreatmentofTestSpecimens .............................. 193 InspectionandTests .......................................... 194 UCS-90 General ..................................................... 194 MarkingandReports ......................................... 194 UCS-115 General ..................................................... 194 PressureReliefDevices ....................................... 194 UCS-125 General ..................................................... 194 NonmandatoryAppendixCS ................................... 194 UCS-150 General ..................................................... 194 UCS-151 Creep–RupturePropertiesofCarbonSteels ...................... 194 UCS-160 VesselsOperatingatTemperaturesColderthantheMDMTStampedon theNameplate ............................................. 194 PartUNF RequirementsforPressureVesselsConstructedofNonferrous Materials ................................................. 195 General ..................................................... 195 UNF-1 Scope ....................................................... 195 UNF-3 Uses ........................................................ 195 UNF-4 ConditionsofService ......................................... 195 Materials .................................................... 195 UNF-5 General ..................................................... 195 UNF-6 NonferrousPlate ............................................. 195 UNF-7 Forgings .................................................... 195 UNF-8 Castings .................................................... 195 UNF-12 BoltMaterials ............................................... 195 UNF-13 NutsandWashers ............................................ 196 UNF-14 Rods,Bars,andShapes ........................................ 196 UNF-15 OtherMaterials .............................................. 196 Design ...................................................... 196 UNF-16 General ..................................................... 196 UNF-19 WeldedJoints ................................................ 196 UNF-23 MaximumAllowableStressValues .............................. 196 UNF-28 ThicknessofShellsUnderExternalPressure ..................... 199 viii
The list of books you might like
