石油化工有毒可燃介質(zhì)管道工程施工及驗收規(guī)范雙語版

備案號：J249－2023SH中華人民共和國石油化工行業(yè)標準StandardforPetrochemicalIndustryofPRCSH3501－2023代替SH3501－2023SH3501-2023AsubstituteversionofSH3501-2023石油化工有毒、可燃介質(zhì)管道工程施工及驗收規(guī)范SpecificationforconstructionandacceptanceofhypertoxicandChineselanguageisthe"original"languageandifinconsistenciesexistbetweenEnglishandChineseversions,theChineseversiontakesprecedenceandtheChineseversionisthelegallybindingversion.原本以中文書就，假如英文和中文版本之間存在不一致，以中文版本為準，中文版本具有法律約束力。2023－02－09發(fā)布2023－05－01實行國家經(jīng)濟貿(mào)易委員會發(fā)布IssuedonFeb.9,2023ImplementedonMay1,2023IssuedbyStateEconomy&TradeCommission目次ListofContents前言……………Foreword1范圍……………………Scope2規(guī)范性引用文獻………………………Normativedocumentsquoted3總則……………………General4管道分級………………Pipelinegrading5管道組成件檢查………………………Inspectionofconstituentelementsofpipeline5.1一般規(guī)定………………Generalspecifications5.2管子檢查………………Inspectionofpipe5.3閥門檢查………………Inspectionofvalve5.4其他管道組成件檢查…………………Inspectionofconstituentelementsofotherpipes6管道預(yù)制及安裝………………………Prefabricationandinstallationofpipeline6.1管道預(yù)制………………Prefabricationofpipeline6.2管道安裝………………Installationofpipeline7管道焊接………………Weldingofpipeline7.1一般規(guī)定………………Generalspecifications7.2焊前準備與接頭組對…………………Preparationandassemblyofjoints7.3焊接工藝規(guī)定…………Requirementforweldingprocedure7.4預(yù)熱與熱解決…………Preheatingandheattreatment7.5質(zhì)量檢查………………Qualityinspection8管道系統(tǒng)實驗…………Testforpipingsystem8.1管道系統(tǒng)壓力實驗……………………Pressuretestforpipingsystem8.2管道系統(tǒng)吹掃…………Sweepingforpipingsystem8.3氣體泄漏性實驗及真空度實驗………Gasleakagetestandtestofvacuumdegree9交工文獻………………Handoverdocument附錄A（資料性附錄）常用有毒介質(zhì)、可燃介質(zhì)………AppendixA(DataAppendix)CommonHypertoxicandCombustibleMedium附錄B（資料性附錄）焊接接頭坡口形式及組對規(guī)定……AppendixB(DataAppendix)TypeofGrooveofWeldJointandRequirementsforAssembly附：條文說明…………………ExplanationtoClauses前言Foreword本規(guī)范是根據(jù)國經(jīng)貿(mào)廳行業(yè)[2023]36號文的告知，由中國石化集團第五建設(shè)公司對《石油化工劇毒、可燃介質(zhì)管道工程施工及驗收規(guī)范》SH3501－2023進行修訂而成。TheSpecificationistherevisionofSpecificationforConstructionandAcceptanceofHypertoxicandCombustibleMediumPipingEngineeringinPetrochemicalIndustrySH3501-2023revisedbyTheFifthConstructionCompanyoftheChinaPetrochemicalCorporationaccordingtoFile[2023]36issuedbyStateEconomy&TradeCommission.本規(guī)范共分9章和2個資料性附錄。本規(guī)范與SH3501－2023《石油化工劇毒、可燃介質(zhì)管道工程施工及驗收規(guī)范》相比，重要變化如下：TheSpecificationcontains9chaptersand2dataappendixes.ThemainchangesoftheSpecificationcomparingwithoriginalSH3501-2023SpecificationforConstructionandAcceptanceofHypertoxicandCombustibleMediumPipingEngineeringinPetrochemicalIndustryare:－合用范圍擴大至毒性限度為中度危害和輕度危害介質(zhì)；－調(diào)整了管道分級規(guī)定，與SH3509－2023《石油化工管道設(shè)計器材選用通則》協(xié)調(diào)一致；－將有關(guān)內(nèi)容與GB50235－97《工業(yè)金屬管道工程施工及驗收規(guī)范》進行了協(xié)調(diào)；－修改了原規(guī)范中管道組成件檢查、實驗的有關(guān)規(guī)定；－完善了焊接接頭檢查方面的有關(guān)規(guī)定。----Scopeofapplicationisenlarged.Toxiclevelincludesmoderatehazardandnegligiblehazard.----SpecificationforpipelinegradingisregulatedtocomplywithGeneralRuleforPipelineDesignandSelectioninPetrochemicalIndustry.----Specificationforinspectionandtestofconstituentelementsofpipelineismodified.----Perfectspecificationforinspectionofweldjoint.本規(guī)范以黑體字標志的條文為強制性條文，必要嚴格執(zhí)行。BoldfacesintheSpecificationaremandatoryclausesandmustbestrictlyimplemented.本規(guī)范由中國石化集團施工規(guī)范管理站淄博分站管理，由中國石化集團第五建設(shè)公司負責解釋。TheSpecificationismanagedbyZiboBranchofConstructionSpecificationManagementStationofChinaPetrochemicalCorporation,andinterpretedbyTheFifthConstructionCompanyoftheChinaPetrochemicalCorporation.本規(guī)范在實行過程中，如發(fā)現(xiàn)需要修改補充之處，請將意見和有關(guān)資料提供應(yīng)我們，以便此后修訂時參考。IncaseanyrepairandsupplementarefoundnecessaryduringimplementationoftheSpecification,pleasesendthesuggestiontogetherwithrelevantinformationtousforreferenceduringfutureupdate.管理單位：中國石化集團公司施工規(guī)范管理站淄博分站Managementunit:ZiboBranchofConstructionSpecificationManagementStationofChinaPetrochemicalCorporation通訊地址：山東省淄博市132號信箱Address:MailboxNo.132,ZiboCity,郵政編碼：255438

Postcode:255438主編單位：中國石化集團第五建設(shè)公司Chiefeditor:ChinaPetrochemicalCorporation通訊地址：甘肅省蘭州市西固區(qū)康樂路35號Address:No.35,KangleRd.,XiguDistrict,LanzhouCity,郵政編碼：730060Postcode:730060重要起草人：姚代貴張西庚汪慶華單承家Maindrafters：YaoDaigui,ZhangXigeng,WangQinghua,ShanChengjia本規(guī)范1985年發(fā)布，1997年第一次修訂，2023年第二次修訂，本次為第三次修訂。Thespecificationwasissuedin1985,revisedin1997forthefirsttime,revisedin2023forthesecondtime,andthisisthethirdrevision.石油化工有毒、可燃介質(zhì)管道工程施工及驗收規(guī)范SpecificationforConstructionandAcceptanceofHypertoxicandCombustibleMediumPipingEngineeringinPetrochemicalIndustry1范圍Scope本規(guī)范規(guī)定了石油化工有毒（毒性限度為極度危害、高度危害、中度危害和輕度危害）、可燃介質(zhì)管道工程的施工和檢查規(guī)定。TheSpecificationspecifiesrequirementsforconstructionandinspectionofhypertoxic(toxiclevelsareutmosthazard,highhazard,moderatehazardandnegligiblehazard)andcombustiblemediumpipingengineering.本規(guī)范合用于設(shè)計壓力400Pa[絕壓]~42MPa[表壓]，設(shè)計溫度－196℃~850℃的有毒、可燃介質(zhì)鋼制管道工程的施工及驗收。TheSpecificationisapplicableforconstructionandacceptanceofhypertoxicandcombustiblemediumsteelpipingengineeringwithdesignpressureof400Pa[absolutepressure]~42MPa[gagepressure]anddesigntemperatureof-196℃~850℃.本范圍不合用于長輸管道及城鄉(xiāng)公用燃氣管道的施工及驗收。TheSpecificationisnotapplicableforconstructionandacceptanceoflong-distancepipelineandgaspipeline.2規(guī)范性引用文獻Normativedocumentsquoted下列文獻中的條款通過本規(guī)范的引用而成為本規(guī)范的條款。凡是注日期的引用文獻，其隨后所有的修改單（不涉及堪誤的內(nèi)容）或修訂版均不合用于本規(guī)范，然而，鼓勵根據(jù)本規(guī)范達成協(xié)議的各方研究是否可使用這些文獻的最新版本。凡是不注日期的引用文獻，其最新版合用于本規(guī)范。ProvisionsinfollowingdocumentsarequotedasprovisionsoftheSpecification.Modification(excludingcorrigendum)orrevisionofdateddocumentisnotapplicablefortheSpecification.ItissuggestedthatallpartieswhoreachanagreementbasedupontheSpecificationcanstudywhetherthelatestrevisionofthedateddocumentcanbeused.LatestrevisionofundateddocumentisapplicablefortheSpecification.GB4159金屬低溫夏比沖擊實驗方法TestMethodsforLowTemperatureVariationRatioImpactofMetalGB/T4334.1~6不銹鋼耐腐蝕實驗方法TestMethodforAnticorrosionofStainlessSteelGB5777無縫鋼管超聲波探傷方法MethodsforSupersonicInspectionofSeamlessSteelPipeJB4730壓力容器無損檢測NondestructiveTestofPressureContainerSH3503-2023石油化工工程建設(shè)交工技術(shù)文獻規(guī)定SpecificationsforTechnicalDocumentofHandoverofPetrochemicalEngineeringConstructionSH3059-2023石油化工管道設(shè)計器材選用通則GeneralRuleforPipelineDesignandSelectioninPetrochemicalIndustrySH3064石油化工鋼制通用閥門選用、檢查及驗收Selection,InspectionandAcceptanceofCommonSteelValveinPetrochemicalIndustrySH3505石油化工施工安全技術(shù)規(guī)程SpecificationsforSafetyTechnologyofConstructioninPetrochemicalIndustrySH3521石油化工儀表工程施工技術(shù)規(guī)程TechnicalSpecificationsforConstructionofMeterWorksinPetrochemicalIndustrySH3526石油化工異種鋼焊接規(guī)程SpecificationsforWeldingofSpecialSteelinPetrochemicalIndustryGZJG[2023]No.109鍋爐壓力容器壓力管道焊工考試與管理規(guī)則RulesforExaminationandManagementofWelderforWeldingofPressureContainerandPipeofBoiler勞部發(fā)[1993]441號LBF[1993]No.441鍋爐壓力容器無損檢測人員資格考核規(guī)則RulesforQualificationTestofOperatorforNondestructiveTestofPressureContainerofBoiler3總則General3.1有毒、可燃介質(zhì)管道施工應(yīng)按設(shè)計文獻規(guī)定進行，修改設(shè)計或材料代用，應(yīng)經(jīng)設(shè)計單位批準。3.1Constructionofhypertoxicandcombustiblemediumpipingshallbecarriedoutasperspecificationsindesigndocument.Modificationofdesignorreplacementofmaterialshallbeapprovedbythedesignunit.3.2管道施工的安全技術(shù)和勞動保護，應(yīng)按SH3505的規(guī)定執(zhí)行。在已投入生產(chǎn)的區(qū)域內(nèi)施工時，應(yīng)按生產(chǎn)區(qū)域的特點制定施工安全技術(shù)措施。3.2SafetytechniqueandlaborprotectionforpipinginstallationshallbeimplementedaccordingtoSH3505.Ifconstructioniscarriedoutinproducingarea,measuresforsafetytechniqueofconstructionshallbeformulatedaccordingtocharacteristicsoftheproducingarea.3.3承擔有毒、可燃介質(zhì)管道施工的單位，必須持有質(zhì)量技術(shù)監(jiān)督行政部門頒發(fā)的相應(yīng)的壓力管道安裝許可證。3.3UnitundertakingconstructionofhypertoxicandcombustiblemediumpipingmusthavecorrespondingcertificateofpressurepipinginstallationissuedbyExecutiveofQuality&TechnologySupervision.3.4從事有毒、可燃介質(zhì)管道施工的焊工應(yīng)按《鍋爐壓力容器壓力管道焊工考試與管理規(guī)則》進行考試，取得合格證書。無損檢測人員應(yīng)按《鍋爐壓力容器無損檢測人員資格考核規(guī)則》進行考核，取得相應(yīng)的資格證書。3.4WelderengagedinhypertoxicandcombustiblemediumpipinginstallationshalltakeanexaminationforRulesforExaminationandManagementofWelderforWeldingofPressurePipeofBoilerandgetthecertificateofqualification.NondestructivetestoperatorshalltakeanexaminationforRulesforQualificationTestofOperatorforNondestructiveTestofPressureContainerofBoilerandgetthecertificateofqualification.4管道分級Pipelinegrading4.1輸送有毒、可燃介質(zhì)管道的分級，應(yīng)符合SH3059－2023的規(guī)定（見表1）。常見毒性介質(zhì)、可燃介質(zhì)參見附錄A。4.1GradingofpipelineconveyinghypertoxicandcombustiblemediumshallmeetspecificationsinSH3059－2023(seetable1).PleaseseeAppendixAforcommonhypertoxicandcombustiblemedium.表1管道分級Table1PipelineGrading管道級別Pipelinegrading合用范圍ScopeofapplicationSHA1毒性限度為極度危害介質(zhì)管道（苯管道除外）2毒性限度為高度危害介質(zhì)的丙烯腈、光氣、二硫化碳和氟化氫介質(zhì)管道3設(shè)計壓力大于或等于10.0MPa輸送有毒、可燃介質(zhì)管道Utmosthazardpipeline(exceptbenzenepipeline)Acrylon,carbonylchloride,carbondisulfideandhydrogenfluoridemediumpipelinewhosetoxiclevelishighhazard3.Pipelineconveyinghypertoxicandcombustiblemediumwithdesignpressure≥10.0MPaSHB1毒性限度為極度危害介質(zhì)的笨管道2毒性限度為高度危害介質(zhì)管道（丙烯腈、光氣、二硫化碳和氟化氫管道除外）3甲類、乙類可燃氣體和甲A類液化烴、甲B類、乙A類可燃液體介質(zhì)管道UtmosthazardbenzenepipelineHighhazardmediumpipeline(exceptAcrylon,carbonylchloride,carbondisulfideandhydrogenfluoridepipeline)3.CategoryAandBcombustiblegasandCategoryABandBSHC1毒性限度為中度、輕度危害介質(zhì)管道2乙B類、丙類可燃液體介質(zhì)管道Moderateandnegligiblehazardmediumpipeline2.CategoryBBandCcombustibleliquidmediumpipelineSHD設(shè)計溫度低于-29℃的低溫管道Pipelinewithdesigntemperaturelowerthan-29℃輸送同時具有毒性和可燃特性介質(zhì)的管道，應(yīng)按本規(guī)范中的高級別管道解決。4.2 Pipelineconveyingbothhypertoxicandcombustiblemediumshallbetreatedashigh-levelpipelineintheSpecification.4.3輸送混合介質(zhì)的管道，應(yīng)以主導(dǎo)介質(zhì)作為管道分級的依據(jù)。4.3 Pipelineconveyingmixedmediumshalltakedominantmediumasgradingreference.管道組成件檢查Inspectionofconstituentelementsofpipeline5.1一般規(guī)定Generalspecifications5.1.1有毒、可燃介質(zhì)管道工程使用的管道組成件，應(yīng)符合設(shè)計文獻規(guī)定及本規(guī)范的有關(guān)規(guī)定。5.1.1 ConstituentelementsofpipelineforHypertoxicandCombustibleMediumPipingEngineeringshallmeettherequirementsindesigndocumentandtheSpecification.5.1.2管道組成件（管子、閥門、管件、法蘭、補償器、安全保護裝置等）的制造單位，當所在地質(zhì)量技術(shù)監(jiān)督行政部門有規(guī)定期，應(yīng)取得《壓力管道元件制造單位安全注冊證書》。5.1.2 Manufacturerofconstituentelementsofpipeline(pipe,valve,pipefittings,flange,compensator,safetyprotectiondevice,etc.)shallhaveRegisteredCertificateofManufacturerforSafetyProductionofElementsofPressurePipeifitisrequiredbylocalexecutiveofquality&technologysupervision.5.1.3管道組成件必須具有質(zhì)量證明文獻，無質(zhì)量證明文獻的產(chǎn)品不得使用。5.1.3Constituentelementsofpipelinemusthavecertificateofqualification.Producthavingnothecertificatecan’tbeadopted.產(chǎn)品在使用前，應(yīng)對質(zhì)量證明文獻進行審查，并與實物核對。若到貨的管道組成件實物標記不清或與質(zhì)量證明文獻不符或?qū)Ξa(chǎn)品質(zhì)量證明文獻中的特性數(shù)據(jù)或檢查結(jié)果有異議，供貨方應(yīng)按相應(yīng)標準作驗證性檢查或追溯到產(chǎn)品制造單位。異議未解決前，該批產(chǎn)品不得使用。Certificateofqualificationofproductsshallbecheckedbeforeuse.Ifmarksoftheconstituentelementsareunclear,ornotconformtocertificateofqualification,orthereisobjectionaboutperformancedataorinspectionresultincertificateofqualification,theSuppliershallcarryoutexperimentalverificationbaseduponrelatedstandardortrackbacktothemanufacture.Beforesettlementofobjection,theproductscan’tbeused.5.1.4管道組成件在使用前應(yīng)進行外觀檢查，其表面質(zhì)量應(yīng)符合相應(yīng)產(chǎn)品標準的規(guī)定，不合格者不得使用。5.1.4 Appearanceinspectionofconstituentelementsofpipelineshallbecarriedoutbeforeuse.Qualityoftheirsurfacesshallmeetthespecificationincorrespondingstandard.Unqualifiedproductcan’tbeused.5.1.5合金鋼管道組成件主體的關(guān)鍵合金成分，應(yīng)根據(jù)本規(guī)范規(guī)定的比例采用光譜分析或其他方法進行半定量分析復(fù)查，并作好標記。5.1.5 Certainproportion(specifiedintheSpecification)ofalloyedsteelpipeline’smainbody,alloyingcomponent,shallbecheckedwithspectralanalysismethodorothermethods.Marksshallbemade.5.1.6設(shè)計文獻有低溫沖擊值規(guī)定的材料，產(chǎn)品質(zhì)量證明文獻應(yīng)有低溫沖擊韌性實驗值，否則應(yīng)按GB4159的規(guī)定進行補項實驗。5.1.6Iftherearerequirementsforlowtemperatureimpactvalueofamaterialindesigndocument,certificateofqualificationofthematerialshallhavelowtemperatureimpacttoughnesstestvalue;otherwise,additionaltestshallbedoneaccordingtoGB4159.5.1.7凡按規(guī)定作抽樣檢查或檢查的樣品中，若有一件不合格，必須按原規(guī)定數(shù)加倍抽檢，若仍有不合格，則該批管道組成件不得使用，并應(yīng)作好標記和隔離。5.1.7Ifoneofsamplesisunqualifiedduringsamplinginspection,certainamount(specifiedintheSpecification)ofproductsshallbeinspected.Iftherestillisunqualifiedproduct,thebatchofproductscan’tbeused.Andtheyshallbemarkedandseparatedwithotherproducts.5.1.8管道組成件應(yīng)分區(qū)存放，且不銹鋼管道組成件不得與非合金鋼、低合金鋼接觸。5.1.8Constituentelementsofpipelineshallbestackedbyareas.Constituentelementsofstainlesssteelpipelinecan’tcontactnon-alloyedsteelandlowalloysteel.5.2管子檢查

Inspectionofpipe5.2.1輸送有毒、可燃介質(zhì)的管子，使用前應(yīng)按設(shè)計文獻規(guī)定核對管子的規(guī)格、數(shù)量和標記。5.2.1Specification,quantityandmarkofpipeconveyinghypertoxicandcombustiblemediumshallbecheckedaccordingtothedesigndocument.5.2.2管子的質(zhì)量證明文獻應(yīng)涉及以下內(nèi)容：5.2.2 CertificateofQualificationofpipeshallcontainfollowingcontents:a)產(chǎn)品標準號；a)Productstandardnumberofproduct;b)鋼的牌號；b)Brandofsteel;c)爐罐號、批號、交貨狀態(tài)、重量和件數(shù)；c)Stovenumber,lotnumber,deliverystate,weightandnumberofpackages;d)品種名稱、規(guī)格及質(zhì)量等級；d)Name,specificationandqualitylevelofvariety;e)產(chǎn)品標準和訂貨協(xié)議中規(guī)定的各項檢查結(jié)果；e)Resultsofallinspectionsspecifiedinproductstandardandcontract;f)制造廠檢查印記。f)Inspectionstampofmanufacturer.5.2.3若到貨管子鋼的牌號、爐罐號、批號、交貨狀態(tài)與質(zhì)量證明文獻不符，該批管子不得使用。5.2.3Ifbrand,stovenumber,lotnumberanddeliverystateofpipesteeldon’tconformtocertificateofqualification,thebatchofpipescan’tbeused.5.2.4有耐晶間腐蝕規(guī)定的材料，產(chǎn)品質(zhì)量證明文獻應(yīng)注明晶間腐蝕實驗結(jié)果，否則應(yīng)按GB/T4334.1~6中的有關(guān)規(guī)定，進行補項檢查。5.2.4Ifthematerialisrequiredtoresistintercrystallinecorrosion,resultofintercrystallinecorrosiontestshallbewritteninthecertificateofqualification;otherwise,additionaltestshallbedoneaccordingtoGB/T4334.1~6.5.2.5輸送毒性限度為極度危害和高度危害介質(zhì)管子的質(zhì)量證明文獻中應(yīng)有超聲波檢測結(jié)果，否則應(yīng)按GB5777的規(guī)定，逐根進行檢查。5.2.5Ultrasonicdetectionresultforpipeconveyingutmosthazardorhighhazardmediumshallbewrittenincertificateofqualification;otherwise,eachpipeshallbedetectedaccordingtoGB5777.5.2.6鋼管的表面質(zhì)量應(yīng)符合下列規(guī)定：5.2.6 Surfacequalityofsteelpipeshallmeetfollowingspecifications:a)鋼管內(nèi)、外表面不得有裂紋、折疊、發(fā)紋、扎折、離層、結(jié)疤等缺陷；a)Thereshallbenocrack,fold,hairlinecrack,wrinkle,separationlayerorscaboninnerorexteriorsurfaceofsteelpipe.b)鋼管表面的銹蝕、凹陷、劃痕及其他機械損傷的深度，不應(yīng)超過相應(yīng)產(chǎn)品標準允許的壁厚負偏差；b)Depthofrust,hollow,scratchandothermechanicaldamagescan’texceedthepermissiblevariationofwallthickness.c)鋼管端部螺紋、坡口的加工精度及粗糙度應(yīng)達成設(shè)計文獻或制造標準的規(guī)定；c)Workingaccuracyandroughnessofthreadandgrooveatendofsteelpipeshallmeettherequirementsindesigndocumentofmanufacturestandard.d)有符合產(chǎn)品標準規(guī)定的標記。Havemarksmeetingstandard.5.2.7SHA級管道中，設(shè)計壓力等于或大于10MPa管子，外表面應(yīng)按下列方法逐根進行無損檢測，檢測方法和缺陷評估應(yīng)符合JB4730的規(guī)定，檢查結(jié)果以I級為合格：5.2.7Nondestructivetestshallbedoneforsurfaceofeachpipewhosedesignpressure≧10MPaamongSHAlevelpipelines.TestmethodsandevaluationofdefectshallmeetspecificationsofJB4730.GradeⅠwillbequalified.a)外徑大于12mm的導(dǎo)磁性鋼管，應(yīng)采用磁粉檢測；a)Magnetic-particleinspectionshallbecarriedoutformagneticpermeablesteelpipewithexternaldiameterlargerthan12mm.b)非導(dǎo)磁性鋼管，應(yīng)采用滲透檢測。b)Penetrationtestshallbedoneformagneticimpermeablesteelpipe.5.2.8SHA級管道中，設(shè)計壓力小于10MPa的輸送極度危害介質(zhì)（苯除外）的管子，每批（指同批號、同爐罐號、同材質(zhì)、同規(guī)格）應(yīng)抽5%且不少于一根，按本規(guī)范5.2.7條規(guī)定的方法和評估標準進行外表面磁粉檢測或滲透檢測，檢查結(jié)果以II級為合格。抽樣檢查不合格時，應(yīng)按本規(guī)范5.1.7條的規(guī)定解決。5.2.8Exteriorsurfacemagnetic-particleinspectionorpenetrationtestshallbedonefor5%(atleastonepiece)ofeachbatch(ofthesamelotnumber,stovenumber,materialandspecification)ofpipesconveyingutmosthazardmedium(exceptbenzene)withdesignpressurelessthan10MPaaccordingtomethodsandcriteriaforevaluationinClause5.2.7.GradeⅡwillbequalified.Ifitisunqualified,thepipesshallbetreatedaccordingtoClause5.1.7.5.2.9管子經(jīng)磁粉檢測或滲透檢測發(fā)現(xiàn)的表面缺陷允許修磨，修磨后的實際壁厚不得小于管子公稱壁厚的90%，且不得小于設(shè)計文獻規(guī)定的最小壁厚。5.2.9Surfacedefectfoundbymagnetic-particleinspectionorpenetrationtestcanbegrinded.Butthewallthicknessaftergrindingcan’tbelessthan90%ofnominalthicknessofthepipeandmin.thicknessspecifiedindesigndocument.5.3閥門檢查Inspectionofvalve5.3.1設(shè)計文獻規(guī)定做低溫密封實驗的閥門，應(yīng)有制造單位的低溫密封性實驗合格證明書。5.3.1Ifcryogenicsealtestforvalveisrequiredindesigndocument,certificateofqualificationforcryogenicsealtestshallbeprovidedbythemanufacturer.5.3.2用于SHA級管道的通用閥門，其焊縫或閥體、閥蓋的鑄鋼件，應(yīng)有符合SH3064規(guī)定的無損檢測合格證明書。5.3.2Certificateofqualification(meetSH3064)fornondestructivetestofweldjointandsteelcastingofbodyandcoverofuniversalvalveforSHAlevelpipelineshallbeprovided.5.3.3閥門安裝前，應(yīng)按設(shè)計文獻中的“閥門規(guī)格書”，對閥門的閥體、密封面及有特殊規(guī)定的墊片和填料的材質(zhì)進行抽檢，每批至少抽查一件；合金鋼閥門的閥體應(yīng)逐件進行光譜分析。若不符合規(guī)定，該批閥門不得使用。5.3.3 Beforeinstallationofvalve,samplinginspectionshallbedoneformaterialsofvalvebody,sealingface,gasketandfillerhavingspecialrequirement.Atleastoneofeachbatchshallbeinspected.Spectralanalysisshallbedoneforvalvebodyofeachalloysteelvalve.Ifitisunqualified,thebatchofvalvescan’tbeused.5.3.4閥門的外觀質(zhì)量應(yīng)符合產(chǎn)品標準的規(guī)定，不得有裂紋、氧化皮、粘砂、疏松等影響強度的缺陷。5.3.4 Appearancequalityofvalveshallmeetrequirementinproductstandard.Thereshallbenocrack,scale,sandfusion,looseandotherdefectsthatcanimpactstrengthofvalve.5.3.5閥門在安裝前，應(yīng)逐個對閥體進行液體壓力實驗，實驗壓力為公稱壓力的1.5倍，停壓5min，無泄漏為合格。5.3.5Beforeinstallation,hydraulictestshallbedoneforeachvalvebody.Maintainthetestpressureat1.5timesofnominalpressurefor5min.ifthevalveisnotleaky,itisqualified.5.3.6具有上密封結(jié)構(gòu)的閥門，應(yīng)逐個對上密封進行實驗，實驗壓力為公稱壓力的1.1倍。實驗時應(yīng)關(guān)閉上密封面，并松開填料壓蓋，停壓4min，無滲漏為合格。5.3.6 Ifthevalvehasuppersealstructure,eachuppersealshallbetested.Uppersealfaceshallbeclosedandcoveroffillershallbeloosened.Maintainthetestpressureat1.1timesofnominalpressurefor4min.Ifthevalveisnotleaky,itisqualified.5.3.7閥門液體壓力實驗和上密封實驗應(yīng)以潔凈水為介質(zhì)。不銹鋼閥門液體壓力實驗時，水中的氯離子含量不得超過100mg/L，實驗合格后應(yīng)立即將水漬清除干凈。5.3.7Cleanwatershallbeusedasmediumforhydraulictestanduppersealtest.Whenhydraulictestisdoneforstainlesssteelvalve,contentofchlorideioninwatercan’texceed100mg/L.Aftertest,waterspotshallberemoved.5.3.8閥門的閥座密封面應(yīng)按SH3064的規(guī)定進行密封性實驗。5.3.8 LeakagetestforsealingsurfaceofvalveseatshallbedoneaccordingtoSH3064.5.3.9凡按SH3064或API標準制造并有相應(yīng)認證標志，且用戶到制造廠監(jiān)造和驗收的閥門，每批可按5%且不少于一個進行抽檢，若有不合格，應(yīng)按本規(guī)范5.1.7條的規(guī)定解決。5.3.9IfvalvesaremanufacturedaccordingtoSH306orAPIstandard,havecertificationmarksandaresupervisedandinspectedbytheuserinthemanufacturer’splant,5%ofeachbatch(atleast1piece)willbechecked.Ifthereisunqualifiedvalve,itshallbetreatedaccordingtoClause5.1.7.5.3.10安全閥應(yīng)按設(shè)計文獻規(guī)定的啟動壓力進行調(diào)試。調(diào)壓時壓力應(yīng)平穩(wěn)，啟閉實驗不得少于3次。調(diào)試合格后，應(yīng)及時進行鉛封。5.3.10 Commissioningofsafetyvalveshallbecarriedoutwithcrackingpressurespecifiedindesigndocument.Thepressureshallbestable.Atleastthreetimesofstart-stoptestshallbedone.Qualifiedsafetyvalveshallbesealedwithleadaftercommissioning.5.3.11檢查、實驗合格的閥門，應(yīng)作出標記，并填寫閥門檢查、實驗記錄。5.3.11 Qualifiedvalvesshallbemarked,andinspectionandtestrecordsshallbemade.5.4其他管道組成件檢查

Inspectionofconstituentelementsofotherpipes5.4.1對其他管道組成件的產(chǎn)品質(zhì)量證明文獻，應(yīng)進行核對，且下列項目應(yīng)符合產(chǎn)品標準的規(guī)定：a)化學(xué)成分及力學(xué)性能；b)合金鋼鍛件的金相分析結(jié)果；c)熱解決結(jié)果及焊縫無損檢測報告。5.4.1 Certificateofqualificationofconstituentelementsofotherpipesshallbechecked.Followingitemsshallmeettherequirementsinproductstandard.Chemicalconstitutionandmechanicalproperty.MetallographicanalysisresultofalloysteelforgingHeattreatmentresultandnondestructivetestreportofweldjoint.5.4.2管件外表面應(yīng)有制造廠代號（商標）、規(guī)格、材料牌號和批號等標記，并與質(zhì)量證明文獻相符，否則不得使用。5.4.2 Exteriorsurfaceofelementsshallhavecodename(trademark),specificationandbrandandlotnumberofmaterialthatareconformtocertificateofqualification.Otherwise,itcan’tbeused.5.4.3管件的表面不得有裂紋，外觀應(yīng)光滑、無氧化皮，表面的其他缺陷不得超過產(chǎn)品標準規(guī)定的允許深度。坡口、螺紋加工精度應(yīng)符合產(chǎn)品標準的規(guī)定。焊接管件的焊縫應(yīng)成形良好，且與母材圓滑過渡，不得有裂紋、未熔合、未焊透、咬邊等缺陷。5.4.3 Surfaceofelementsshallbesmoothwithoutcrackandscale.Otherdefectsonsurfacecan’texceedthepermissibledepthspecifiedinproductstandard.Workingaccuracythreadandgrooveatendshallmeettherequirementsinproductstandard.Weldjointofpipesshallbesmoothandwelljoinwiththepipe.Thereshallbenocrack,stick-outweld,faultyfusionandundercut.5.4.4SHA級管道的管件應(yīng)按本規(guī)范5.2.7條、5.2.8條的規(guī)定進行表面無損檢測。5.4.4 NondestructivetestforsurfaceofelementsofSHAlevelpipelineshallbecarriedoutaccordingtoClause5.2.7and5.2.8oftheSpecification.5.4.5螺栓、螺母的螺紋應(yīng)完整，無劃痕、毛刺等缺陷，加工精度符合產(chǎn)品標準的規(guī)定。螺栓、螺母應(yīng)配合良好，無松動或卡澀現(xiàn)象。5.4.5 Threadsofboltandnutshallbecompletewithoutscratchorburr.Workingaccuracyshallmeettheproductstandard.Boltandnutshallfitwitheachotherwithoutlooseorlock.5.4.6設(shè)計壓力等于或大于10MPa管道用的合金鋼螺栓、螺母，應(yīng)逐件進行快速光譜分析，每批應(yīng)抽兩件進行硬度檢查，若有不合格，按本規(guī)范5.1.7條的規(guī)定解決。5.4.6 Quickspectralanalysistestofeachalloysteelboltandnutforpipelinewithdesignpressure≧10MPashallbedone.Hardnessinspectionoftwoelementseachbatchshallbetested.Ifitisunqualified,itshallbetreatedaccordingtoClause5.1.7.5.4.7設(shè)計溫度低于－29℃的低溫管道合金鋼螺栓、螺母，應(yīng)逐件進行快速光譜分析檢查，每批應(yīng)抽兩根螺栓進行低溫沖擊性能檢查。若有不合格，應(yīng)按本規(guī)范5.1.7條的規(guī)定進行解決。5.4.7Quickspectralanalysistestofeachalloysteelboltandnutforpipelinewithdesigntemperaturelowerthan-29℃shallbedone.Lowtemperatureimpactperformancetestoftwoboltseachbatchshallbedone.Ifitisunqualified,itshallbetreatedaccordingtoClause5.1.7.5.4.8其他合金鋼管道組成件的快速光譜分析，每批應(yīng)抽檢5%，且不少于一件。若有不合格，應(yīng)按本規(guī)范5.1.7條的規(guī)定解決。5.4.85%(atleastonepiece)ofeachbatchofalloysteelelementsforotherpipelinesshallbetestedwithquickspectralanalysis.Ifitisunqualified,itshallbetreatedaccordingtoClause5.1.7.5.4.9密封墊片應(yīng)按產(chǎn)品標準進行抽樣檢查驗收，每批不得少于一件。纏繞墊片不得有松散、翹曲現(xiàn)象，表表面不得有影響密封性能的傷痕、空隙、凹凸不平及銹斑等缺陷。金屬墊片、石棉橡膠板墊片的邊沿應(yīng)切割整齊，表面應(yīng)平整光滑，不得有氣泡、分層、折皺、劃痕等缺陷。5.4.9Samplinginspection(atleastonepieceperbatch)ofgasketsealshallbecarriedoutaccordingtotheproductstandard.Thegasketcan’tbelooseorwarped.Thereshallbenoscar,gap,sag,crestandrustystainthatmayimpactsealingpropertyonsurface.Edgeofmetallicgasketandrubberslatgasketshallbesmooth.Thesurfaceshallbesmoothandevenwithoutbubble,separationlayer,foldorscratch.5.4.10現(xiàn)場制作石棉橡膠板墊片，不得在低于15℃的環(huán)境中進行，且自板材制成之日起，耐油石棉橡膠板儲存期限不得超過一年半，普通石棉橡膠板儲存期限不得超過兩年。5.4.10Temperatureofworkshopforproductionofasbestos-packinggasketcan’tbelessthan15℃.Storagelifeofoil-proofasbestospackingsheetcan’texceedoneandhalfyear,andthatofcommonasbestospackingsheetcan’texceedtwoyears.5.4.11法蘭密封面不得有徑向劃痕等缺陷。5.4.11 Flangeshallbesealedwithoutradialscratch.6管道預(yù)制及安裝

Prefabricationandinstallationofpipeline6.1管道預(yù)制

Prefabricationofpipeline6.1.1管道預(yù)制加工應(yīng)按現(xiàn)場審查確認的設(shè)計單線圖或依據(jù)管道平、剖面圖繪制的單線圖進行，預(yù)制加工圖上應(yīng)標注管線編號、現(xiàn)場組焊位置和調(diào)節(jié)裕量。6.1.1Prefabricationofpipelineshallbecarriedoutaccordingtodesignedsinglelinediagram,orsinglelinediagramdrawnbaseduponplaneandsectionofpipelinethatareapprovedonsite.Numberofpipeline,positionofgangweldingandovermeasureshallbeindicatedintheworkingdiagram.6.1.2管道預(yù)制過程中的每一道工序，均應(yīng)核對管子的標記，并做好標記的移植。不銹鋼管道、低溫鋼管道，不得使用鋼印作標記。6.1.2Duringeachsequenceofprefabrication,marksofpipelineshallbechecked.Transferofmarksshallbedonewell.Steelmarkcan’tbeusedforstainlesssteelpipeandlowtemperaturesteelpipe.彎管最小彎曲半徑應(yīng)符合設(shè)計文獻規(guī)定，當設(shè)計文獻未規(guī)定期，應(yīng)符合表2的規(guī)定。6.1.3 Min.bendingradiusofelbowpipeshallmeettherequirementindesigndocument.Ifitisnotspecifiedinthedesigndocument,itshallmeetthespecificationintable2.表2彎管最小彎曲半徑Table2Min.BendingRadiusofElbowPipe管道設(shè)計壓力DesignpressureofpipeMPa彎管制作方式Fabricationmode最小彎曲半徑Min.bendingradius＜10熱彎Hotbending3.5D0冷彎Coldbending4.0D0≥10冷、熱彎Coldandhotbending5.0D0注：D0為管子外徑。Notes:Dnisexteriordiameterofpipeline6.1.4當設(shè)計允許用焊接鋼管彎制彎管時，焊縫應(yīng)避開受拉或受壓區(qū)。6.1.4Ifitisallowablethatelbowpipecanbefabricatedbyweldingofpipes,theweldjointcan’tbeintensileorcompressiveregion.6.1.5彎管制作后，彎管處的最小壁厚不得小于管子公稱壁厚的90%，且不得小于設(shè)計文獻規(guī)定的最小壁厚。彎管處的最大外徑與最小外徑之差，應(yīng)符合下列規(guī)定：6.1.5Afterfabricationofelbowpipe,min.wallthicknessatelbowcan’tbelessthan90%ofthenominalthicknessandmin.thicknessspecifiedinthedesigndocument.Differencebetweenmax.exteriordiameterandmin.exteriordiameteratelbowshallmeetthefollowingspecifications:a)SHA級管道應(yīng)小于彎制前管子外徑的5%；a)ForSHAlevelpipeline,thedifferenceshallbelessthan5%ofexteriordiameterofpipebeforefabrication.b)SHB、SHC及SHD級管道應(yīng)小于彎制前管子外徑的8%。b)ForSHB,SHCandSHDlevelpipelines,itshallbelessthan8%ofexteriordiameterofpipebeforefabrication.6.1.6彎管制作后，直管段中心線偏差△不得大于1.5mm/m，且不得大于5mm。6.1.6 Afterfabricationofelbowpipe,deviationofcentrallineofstraightsection△can’tbelargerthan1.5mm/mand5mm.圖1彎管中心偏差Fig1.Centraldeviationofelbowpipe6.1.7鋼管熱彎或冷彎后的熱解決，應(yīng)符合下列規(guī)定：6.1.7 Afterhotorcoolbending,heattreatmentofsteelpipeshallmeetfollowingspecifications:a)

鋼管的熱彎溫度與彎后熱解決應(yīng)按表3的規(guī)定進行，表中未列入的鋼號，按該材料供貨狀態(tài)的規(guī)定進行；a)Hotbendingtemperatureandheattreatmentofsteelpipeshallmeettable3.Steelpipenotlistedinshallmeettherequirementindeliverystateofthematerial.b)

鋼管冷彎后的熱解決應(yīng)按表4的規(guī)定進行；b)Aftercoldbending,heattreatmentofsteelpipeshallbecarriedoutaccordingtotable4.c)公稱直徑大于100mm或壁厚大于13mm的鐵素體合金鋼管彎制后，應(yīng)進行消除應(yīng)力的熱解決；c)Afterbendingofferriticalloysteelpipewhosenominaldiameterislargerthan100mmorwallthicknessislargerthan13mm,heattreatmentforstressreliefshallbecarriedout.d)有應(yīng)力腐蝕的冷彎彎管，應(yīng)作消除應(yīng)力的熱解決；d)Heattreatmentforrelievingofstressshallbedoneforcoldbendingelbowpipehavingstresscorrosion.e)熱解決時的加熱速度、恒溫時間、冷卻速度應(yīng)符合本規(guī)范7.4.9條的規(guī)定。e)Heatingrate,timeofconstanttemperature,coolingrateforheattreatmentshallmeetClause7.4.9intheSpecification.表3鋼管熱彎溫度及熱解決Table3HotBendingTemperatureandHeatTreatmentofSteelPipe鋼種或鋼號Steeltypeorgrade熱彎溫度Hotbendingtemperature℃熱解決規(guī)定Requirementforheattreatment10,20750~1050終彎溫度小于900℃，且壁厚大于等于19mm時，進行600℃~650℃回火。16Mn900~105012CrMo15CrMo800~1050900