焊接規(guī)范和標(biāo)準(zhǔn)-Welding-Codes-and-satandard課件

WeldingCodes&StandardsLessonObjectivesWhenyoufinishthislessonyouwillunderstand:CodesandStandardsandStandardsWritingBodiesWeldingProcedureDevelopmentandQualificationsLearningActivitiesReadHandbook412-464ViewSlides;ReadNotes,ListentolectureDoon-lineworkbookDohomeworkKeywordsCodes,Specifications,RecommendedPractices,Guides,Classifications,Methods,ANSI,ISO,WeldingProcedureSpecification(WPS),ProcedureQualificationRecord(PQR),WelderPerformanceQualificationCodesandStandardsTypesofStandardsCodesaregenerallyapplicabletoprocessesandindicatethemandatoryuseofmaterialsoractionsSpecificationsaregenerallyassociatedwithaproductandindicatethemandatoryuseofmaterialsoractionsRecommendedpracticesandguidesareofferedprimarilyasaidstotheuserClassificationsandmethodsprovidelistsofestablishedpracticesorcategoriesforprocessesorproductsIntroduction0.1.1.6.0.T1.95.12Shall/willShall/willShould/mayThisTableisintheWeldingHandbookCodeWritingAgenciesWhatisCoveredbyStandardsProductsPiping-AmericanPetroleumInstituteFillermetals-AmericanWeldingSocietyShips-AmericanBureauofShippingPressurevesselsandboilers-AmericanSocietyof MechanicalEngineersBridges-AmericanInstituteofSteelConstructionHealth&SafetyTerminologyTestingProceduresIntroduction0.1.1.6.0.T2.95.12AmericanNationalStandardsInstitute(ANSI)CoordinatingorganizationfortheU.S.voluntarystandardssystemThereareapproximately10,000AmericanNationalStandards,whichencompassnearlyeveryfieldanddisciplineANSIstandardsaredevelopedandusedvoluntarily;theybecomemandatorywhenadoptedorreferencedbyagovernmentalbodyIntroduction0.1.1.6.0.T3.95.12InternationalOrganizationforStandardization(ISO)EstablishmentofUniformStandardsforInternationalTradeInternationalOrganizationforStandards(ISO)80countries,4000+standards,ANSIistheU.S.representativeISO9000-9004(ANSI/ASQCQ90)isaseriesofqualitymanagementandassurancestandardsinmanufacturingDesignedformanufacturingsectorEChasadoptedISO9000andprefersUSsuppliers thatareISO9000certifiedDoD,DuPont,3M,AT&Tareaskingsupplierstocomply withISO9000ISO3834-FactorstobeConsideredWhenAssessingFirmsUsingWeldingasaPrimeMeansofFabricationProfessionalSocietyStandards0.1.1.6.2.T20.95.12Health&SafetyANSI/ASCZ49.1-1988 SafetyinWeldingandCuttingIncludedintheGeneralIndustryStandardsofOSHASpecificallycoversarc,oxyfuelgas,resistanceweldingHealthandSafetyinWeldingandAlliedProcesses4thedition,ed.N.C.BalchinandH.R.Castner, McGraw-HillInc.1993HealthandSafety0.1.1.6.1.T4.95.12AmericanWeldingSociety(AWS)StandardsDefinitionsandSymbols(A)FillerMetals(A5)QualificationandTesting(B,C,andD)WeldingProcesses(C)WeldingApplications(D)ProfessionalSocietyStandards0.1.1.6.2.T12.95.12DefinitionsandSymbolsANSI/AWSA2.4SymbolsforWelding,Brazing,andNondestructiveExaminationCommunicationbetweendesignersandfabricatorsJointgeometry,weldcontour,surfacefinishANSI/AWSA3.0StandardWeldingTermsandDefinitionsStandardtermsforuseinwrittenandoralcommunicationconveyingmaterialsjoininginformationNon-standardtermsProfessionalSocietyStandards0.1.1.6.2.T13.95.12ANSI/AWSD1.1StructuralWeldingCode:SteelGuidelinesfordesignofweldedjointsaswellasprequalifiedjointgeometriesStaticallyloadedstructuresDynamicallyloadedstructuresTubularsectionsDetailstheprocessesusedwithparticularjointsHowtoqualifyweldingproceduresandpersonnelOutlinesqualityandinspectioninweldedconstructionFillermetalrecommendationsProfessionalSocietyStandards0.1.1.6.2.T14.95.12AWSD1.1PrequalifiedJointDesign0.1.1.6.2.T15.95.12ProfessionalSocietyStandardsASTM(AmericanSocietyforTestingandMaterials)Specificationscovervirtuallyallmaterialsusedinindustryandcommerce,butnotweldingconsumablesAnnualBookofASTMStandards,15sections(65volumes)1-IronandSteel2-Non-ferrous3-MetaltestmethodsandanalyticalproceduresSpecificationofgroupsofsimilarsteel(A)A36-generalconstructionsteelsA387-chromium-molybdenumsteelforelevated-temperatureserviceinpipingandpressurevesselsystemsProfessionalSocietyStandards0.1.1.6.2.T16.95.12AmericanSocietyof

MechanicalEngineers(ASME)BoilerandPressureVesselCodehas11sectionsandisreferencedbymoststates,majorcitiesintheU.S.,Canadianprovinces,anumberoffederalagenciesBeforefabricatingaboilerorpressurevessel,acompanymusthaveaqualitycontrolsystemandamanualdescribingitASMEissuesaCertificateofAuthorizationandacodesymbolstampUniqueinthatitrequired3rdpartyinspectionindependentoffabricatoranduserUsessamesteeldesignationsasASTMProfessionalSocietyStandards0.1.1.6.2.T17.95.12BoilerandPressureVesselCodeSectionII-MaterialsSpecificationsforbasemetals,fillermetals,fluxesSectionV-NondestructiveExaminationSectionIX-WeldingandBrazingQualificationsforpersonnelandproceduresDelineatesaPnumbergroupingofsteelsforthepurposeofweldingqualificationP1-carbon-manganesesteelswithaminimumUTSof45-90ksiP5-alloysteelswith2.25-9%chromium,<10%totalalloyAllsteelswithinaPnumbercanbeweldedwiththesameprocedureProfessionalSocietyStandards0.1.1.6.2.T18.95.12OtherStandardsAmericanPetroleumInstitute(API)Standard1104WeldingofPipelinesandRelatedFacilitiesQualificationsofWeldingProceduresandWeldersInspectionandnondestructivetestingRepairandremovalofdefectsUnifiedNumberingSystem(UNS)CrossreferencesthenumberingsystemsfromdifferentcountriesOver3500metals,alloys,andfillermetalsDesignatedSAEHSJ1086/ASTMDS56ProfessionalSocietyStandards0.1.1.6.2.T19.95.12Questions?Turntothepersonsittingnexttoyouanddiscuss(1min.):Whatdoesbeinga“thirdpartyconsensusstandardswritingbody”mean?Qualification&CertificationWeldingProcedureSpecification(WPS)ProcedureQualificationRecord(PQR)WelderPerformanceQualification-CertificationAdocumentthatprovidesindetailrequiredweldingconditionsforaspecificapplication.Arecordofactualweldingconditionsusedtoproduceanacceptabletestjointandtheresultsofthequalificationtests.Arecordofawelder’sorweldingoperator’sabilitytoproduceweldedjointsthatmeetprescribedstandardsPre-QualifiedProcedures(SomeCodesPermit-ExampleAWSD1.1Code)BasedonthereliabilityofcertainprovenproceduresspelledoutbytheapplicablecodeorspecificationUseWrittenProceduresFromCodeAllEssentialVariableSpecifiedWeldQualificationTestsNotRequiredEmployerAcceptsResponsibilityforUseDeviationsNegatePrequalifiedStatusBasicStepsinQualificationofaProcedure1.PrepareapreliminaryWPS2.PrepareandweldasuitabletestweldmentusingWPS3.ConductrequiredNDTandDestructiveTests4.EvaluateResultsofprep,welding,testing5.DocumentresultsonPQR6.IssueapprovedPQR7.IssueapprovedWPSPQR-WPSVariablesConsidered

BaseMetalWeldingProcessFillerMetalTypeofCurrent/RangeVoltageHeatInputTravelSpeedJointDesignandTolerancesJ