siam能源工程管线规范

SP-D-0803.02-1001-013BurtonTechnicalSolutionCo.,Ltd.Specificationfor SP-D-0803.02-1001-013RevA PAGE7ofNUMPAGES35TABLEOFCONTENT目录SECTION PAGE内容页码1. SCOPE3范围2. PROCESSOFMANUFACTUREANDMATERIAL6生产工艺与材料3. MATERIALREQUIREMENTS11材料要求4. DIAMENTIONS,WEIGHTS,LENGTHS,DEFECTSANDENDFINISHES16外径，重量，长度，缺陷与管端处理5. INSPECTIONANDTESTING18检测与试验6. MARKING21喷标7. DOCUMENTS23文件8. HANDLING,PACKAGING,TRANSPORTANDDELIVERY25操作，包装，运输和交付- appendixb27附件B- appendixn28附件NATTACHEMENT135附录1 FIGURE1ANDFIGURE2TESTWELDS图表1与图表2焊缝检测1.0 SCOPE范围ThisSpecificationcoversthemanufacture,inspectiontestinganddeliveryoflinepipe.PipesuppliedunderthisSpecificationshallmeettherequirementsoftheAPISpecificationforLinePipe,Spec5L,FortyThirdEdition,(October2004)exceptwherethisSpecificationprovidesmorestringentrequirements.InthisspecificationshouldimplytheapplicationoftherequirementsasstatedinthesamesectionsofAPI5L,specification.ThenumberingofparagraphsinthisSpecificationcorrespondstoAPI5Lsectionsandparagraphnumbers.AdditionalclausesarenumberedsequentiallyasifpartoftherelevantsectionsinAPI5L.此标准包含管线钢管的制造、检测和发运。此标准下供应的钢管除了规定的更加严格的要求外，应该满足API5L标准对于管线钢管5L，43版本的要求（2004年10月）。此标准应该采用API5L标准中同样章节中描述的要求。标准中编号的段落对应API5L的章节和段落号。附加的条款如果是API5L标准中相关的章节的部分应该连续编号。 ThefollowingdefinitionsshallapplywithinthisSpecification.以下定义应用于本规范。"PURCHASER"shallmeanSiamEnergyCompanyLimited.“购买方”指SiamEnergyCompanyLimited（Siam能量有限公司）"SELLER"shallmeanthecompany,firmorindividual,includingemployees,agentsandotherauthorizedrepresentativesthereof,thathascontractedwiththePURCHASERforthemanufacture,supplyanddeliveryofthepipe.“卖方”指公司，工厂或个体，包括个人、雇员、代理或其他授权的代表，是已经和“卖方”就钢管生产、供应和发运签署合同的一方。API5LSUPPLEMENTARYREQUIREMENTSAPI5L补充要求ThefollowingsupplementaryrequirementsfromAppendixFapply:以下补充要求源于附件F：SR3ColorIdentification颜色判定SR5FractureToughnessTesting断裂韧度检测SR5BAbsorbedEnergy吸收功SR6DropWeightTearTesting落锤撕裂检测AppendixB(part)AppendixKRepairofDefectsbyWelding焊缝缺陷修补EndLoadCompensationforHydrostaticTestPressuresinExcessof90%ofSpecifiedMinimumYieldStrength管端水压负荷补偿超过规定的屈服强度的90%SR15TestCertificatesandTraceabilityforLinePipe管线管的检验证书和追溯SR19AdditionalFractureToughnessRequirements其它的断裂韧度要求PRODUCTSPECIFICATIONLEVEL(PSL)生产标准（PSL）PipesuppliedagainstthisspecificationshallmeetthestandardtechnicalrequirementsofPSL2.本规范中所涉及的管子应符合PSL2技术要求标准。Grades钢级MinimumGraderequirementforpipesuppliedinaccordancewiththisspecificationshallbeX70.符合本标准的供应管的最低钢级要求应为X70UNITS单位UnlessotherwiseapprovedbythePURCHASER,alltechnicalinformationshallbepresentedinSIunits.ImperialunitsmaybegiveninparenthesesaftertheSIunit.除非购方特殊规定外,所有的技术信息均采取公制.英制可以在公制后的括弧内出现APIMONOGRAMAPI徽标SELLERSmanufacturingpipetothisspecificationshallbelicensedtousetheAPImonogram卖方必须具备使用API徽标的许可NOTUSED非二手货RIGHTOFREJECTION拒收权Wheremorethan50percentofthepipefromanyheat,coil,orlotisrejectedduetodefectsintheplate,skelp,tuberoundness,mechanicaltestfailures,orotherdeficiencies,thePURCHASERreservestherighttorejecttheentirepipeintheaffectedheat,coilorlot.钢管的圆整度，机械测试失败或者是其他缺陷达到任何中板的对应的炉号，钢卷，批号的50%以上，那么买家有权保留拒收QUALITYSYSTEM质量体系TheSELLERshallimplementadocumentedqualitysystemacceptabletothePURCHASER.AnacceptablequalitystandardshallbeISO9002.Otherqualitystandardswillbeconsidered,pendingPURCHASERreviewandapproval.Anyamendments,changes,revisionsorothermodificationstotheacceptedqualitysystemshallbesubmittedforapprovalbythePURCHASERpriortomanufacture.卖方必须按照买方的质量体系文件执行，标准为IS09002最新版，其他的标准将由买方讨论后提供。任何追加，改变，修正或其他的改动均有买方在生产过程中提供。1.8 CONFLICTOFINFORMATION信息冲突IntheeventofconflictofinformationthePURCHASERshallbecontactedforclarification.UnlessotherwiseagreedtobythePURCHASERthemorestringentrequirementsshallapply.如果有信息冲突应向买方澄清，否则继续按照应该执行的超严标准执行。1.9 WELDABILITY焊接性ProofofWeldabilitytestsshallbeperformedinaccordancewiththerequirementsofAppendixNtothisspecification"InstructionsforthePerformanceofProofofWeldabilityTests".要根据附件N的“可焊接性试验履行指导”进行。Weldabilitytestsshallbeconductedconcurrentlywithpipeproduction.ProductionproofofWeldabilitytestsshallbeperformedontheactualskelporplatetobeusedinpipemanufacture.可焊接性试验必须知道整个钢管的生产过程，运用到中板和钢管用钢管上面。2.0 PROCESSOFMANUFACTUREANDMATERIAL生产工艺与材料2.1 PROCESSOFMANUFACTURE生产工艺ThepipeshallbeDSAWdoublesubmergedarcweldedlongitudinalseamwithatleastonepassontheinsideandatleastonepassontheoutside.钢管必须是双面的DSAW埋弧焊接，有内外两条纵向焊缝。2.2 MATERIAL材料2.2.1 TheSELLERshallsubmithisdetailedtechnicalspecificationfortheproductionofskelptothePURCHASERforreviewandapprovalpriortoskelpproduction.SELLER’sspecificationshallprovidedetailedrequirementsforchemicalandmechanicaltestingofskelppriortoacceptanceofskelpforthemanufactureofbarepipe.卖方要证明所定材料就是买方所需要生产裸管的母材。Allskelpusedforpipeshallbemadefromfullykilledsteel.TheSELLERshallreportthede-oxidationprocess,andmethodofinclusionshapecontrol,ifany,usedbythesteelsupplier.母材必须是脱氧冶炼的，卖方需要提供关于钢厂的去氧和分层的过程和途径。AllskelpshallbeultrasonicallyinspectedforharmfullaminationsinaccordancewithrequirementsofASTMA578M-92,usinga100mm(4in.)grid.TheacceptancestandardshallbeLevelIinaccordancewiththerequirementsofASTMA578.TheultrasonicprocedureshallbesubmittedtothePURCHASERforapprovalpriortothecommencementofproduction.钢板要按照ASTMA578M-92要求做严格的超声波测试，达到一级验收标准。使用100mm(4英寸)的网格，将超声波过程一并提供给买方。TheSELLERshalldemonstratethateachheatoflinepipesuppliedisresistanttohydrogeninducedcracking(HIC)卖方要证明每个炉号的抗氢致裂(HIC)。.Foreachheatofpipesupplied,onepipeshallbeselectedfortestcouponremoval.Threetestcouponsshallberemoved,atapproximately120degreeintervalsaroundthecircumference.Onespecimenshallincludethelongitudinalweldseam.TestsshallbeconductedandevaluatedinaccordancewithrequirementsofthelatesteditionNACEStandardTM0284.Acceptancecriteriashallbeasfollows:Cracklengthratio:8percentmaximumCracksensitivityratio:1percent针对钢管炉号，每支钢管应该选择测试清除，三个测试段都要清除。大约120度的圈圈，试样应包括纵向焊缝，试验要按照提供的最新的NACE标准TM0284验收标准如下：-裂纹长度率最大8%-裂纹敏感性比率１％2.2.3.3Eachindividualreadingshallbereported.However,allreadingsmaybeaveragedtodetermineacceptanceofaheat.记录报告每个独立的数值,计算每炉的平均值。Plateorskelpshallnotcontainanyrepairwelds中板或制管用钢板不可以接受任何修补。.MANUFACTURINGPROCEDURE制造工艺SELLERshallsubmitawrittenmanufacturingproceduretothePURCHASERatleasttwoweeksbeforetheactualcommencementofproduction.在实际生产前，卖方必须提交的书面的生产过程报告书（至少提前两周）。ProductionshallnotcommencebeforethePURCHASERhasapprovedtheSELLER'Sprocedure.ThePURCHASERandSELLERshallmeettoreviewtheSELLER'Sprocedureatleastoneweekpriortotheactualcommencementofproduction.在没有买方认可前，卖方不能提前生产。双方要准备一周的产前讨论。TheSELLER’SManufacturingProcedureSpecificationshallincludeallfactorsthatinfluencethequalityandreliabilityofproductionandthesuitabilityofthepipeforservice.Inparticular,thespecificationshallincludethefollowing:卖方的生产流程规范必须包含所有影响质量和生产可靠性的所有因素。特别，要包含下列的：Nameofsteelmakerandplant(s)atwhichsteelandpipefeedstock(strip,coil,orplate)areproduced.钢厂名字和钢管生产工厂的原料堆放（钢带，钢卷或中板）Steelmakingprocessandnominalweightofeachheat.每炉的公称重量和母材的标识过程。Minimumandmaximumworkinglimitsonheatandproductchemicalanalysis,whichareselectedandguaranteedbytheSupplierfortheorder.由卖方按照订单提供的最大和最小的关于化学分析的每个炉号的极限值.Castingtechnique,sizeandweightofingots,slabs,skelps/coils,andplates.母材的铸造技术Methodforthecontrolofsegregationincludingthemethodsofassessmentforresidualsandsegregationonslab/strip(macro-etching,sulphurprints,).分层的控制方法，包括评估，残值和隔离上板/带（宏观刻蚀，硫磺打印,)Selectedworkingrangesfortensileproperties,impactpropertiesandwallthicknessonsteelstripsandplate母材的壁厚冲击试验，选定的工作范围，拉伸性能Rollingtechnique/heattreatmentofsteelstripsandplate.母材的波浪和热处理Systemforchecking/measurementofsteelstripandplatethickness.系统的母材壁厚检验和测量。Nominalsizeofdiscardfromstripedgesandends.对于中板洗边的废料尺寸.Steelstripultrasonictestingprocedure,includingmaximumexaminationcoverageproposed,calibrationofinspectionequipment,anddetailsofreferenceflaws.母材的超声波检验过程，包括最大检验覆盖率，检测设备的校准和参考缺点的细节。Characteristicsofthemainitemsofpipemanufacturingequipment,includingmanufacturer’snameandmaximumcapabilities.钢管生产设备的特性，包括制造商的名字和极限生产能力。Fulldetailsofsubmergedarcweldingprocedure,includingnumberofwires,weldingparameters,electricalcharacteristics,travelspeed,weldingsequence,dimensionsandnumberofweldpassesandguidingmethodsofweldingheads.Detailsofthemethodoffluxrecirculationandreuseshallbegiven,payingdueattentiontohydrogenpick-upandthelossoffluxingredientsduetoconsumptionandattrition.埋弧焊程序，包括生产线，焊接工艺参数，电气特性，旅行速度，焊接顺序，尺寸和指导方法的焊接头。细节的方法通量再循环和再利用，应有的氢回升和亏损通量成分。ThemethodfortheVickershardnesssurveysofthesubmergedarcweldinaccordancewithClause2.4.3埋弧焊接的维氏硬度测试方法按照第2.4.3条Fulldetailsofallweldingrepairprocedures,includingmethodsofwelddefectremoval.所有的补焊规范，包括去除焊缝缺陷的方法Types,datasheets,sizesandbrandnamesofallweldingconsumables.所有焊接材料的类型，数据表，规格和品牌名称Fulldetailsofautomaticultrasonictestingequipmentandprocedurefortheseamweld,includingmethodsofmarkingdefects,indicatinglossofcoupling,calibrationprocedures,andreferenceflaws.自动超声波探伤设备明细，焊缝探伤流程，包括缺陷标识方法，耦合缺失指示，校准方法和基准裂纹标样Pipeendultrasonictestingprocedure,withequipment,acceptancecriteria,methodandfrequencyofcalibratingtestingequipmentforbothstaticanddynamiccalibrations)管端超声波的探伤设备和流程，允许偏差，设备校准方法和频率，包括动态和静态校准Fulldetailsofradiographictestingprocedureandequipment,includingfilmtype,brandandclass.X射线探伤的设备和流程细节，包括胶片类型，品牌和等级Techniquesandproceduresforwetmagneticparticleinspection(pipeendsandweldrepairedareas).剩磁检测技术和流程（管端和焊缝修补处）Methodofmeasuringpipewallthickness,includingequipmentsensitivityanduncertaintyofmeasurement钢管壁厚检测方法，包括设备灵敏度和测量偏差Methodsproposedforpipedimensionalcheckingandmeasurement,includingpeakingattheweld,andendsquareness.外观检测方法，包括检测焊缝余高和管端切斜EvidenceofthefieldWeldabilityofthepipeinformofpreheatfree(whereallowablewithrespecttowallthickness)fieldweldingproceduresusingbothcellulosicSMAweldingandGMAweldingperformedinaccordancewithAPI1104undercircumstancessimulatingfieldwelding.Wherepossible,thesetestswillbewitnessedbyeitherthePURCHASER,orthePURCHASER’snominatedRepresentative.Additionalevidencemaybeintheformofexistingrecentlyobtaineddataonthesamegrade(s)ofsteelandpipeofsimilardimensions.ItisakeyrequirementofthisSpecificationthatthepipesupplierfullydemonstratetothesatisfactionofthePURCHASERthatweldingdifficultieswillnotbeencounteredinthefieldduetounanticipatedaspectsofthepipeorthesteelfromwhichitwasmanufactured.WELDINGPROCEDUREQUALIFICATION焊接工艺评定WeldingproceduresshallbequalifiedinaccordancewiththeASMEBoilerandPressureVesselCode,SectionIX(latestedition)andclauses2.4.2and2.4.3ofthisspecification,foreachweldingprocessandconsumablecombinationemployed.WeldingproceduresshallbesubmittedtothePURCHASERforapprovalpriortoproduction.根据ASME锅炉和压力容器标准（最新版）第IX章和本规范第2.4.2，2.4.3节的要求评定焊接工艺流程。焊接工艺流程在生产前递交购买方WeldingprocedurequalificationtestingshallincludeCharpyV-notch(CVN)impacttestsoftheweldandtheweldheat-affectedzones.Energyabsorptionrequirementsshallbeasspecifiedin3.3ofthisSpecification.Thetesttemperatureshallbeamaximumof10°C.However,theSELLERmayselectalowertesttemperatureifdesired.焊接工艺评定测试必须包括焊缝和热处理区的夏比冲击功试验，冲击功值必须符合本规范第3.3章节的规定。测试温度最高为10°C。买方可根据需要选择低点的测试温度Procedurequalificationtestsshallincludemicro-hardnesstestingperformedinaccordancewithrequirementsofASTME384.Atleasttwomicro-hardnesstraversesacrosstheweld,heataffectedzonesandparentmetalusinga10kgloadshallbeperformed.Onetraverseshall-bebetween1and2mmfromtheoutsidesurfaceofthetestspecimen,andonetraverseshallbebetween1and2mmfromtheinsidesurfaceofthetestspecimen.Eachtraverseshallconsistofthefollowing:工艺评定测试须包括显微硬度测试，根据ASTME384的规范执行。至少在焊缝，热影响区和母材上取两组横向试样。一个在试样外表的1-2mm之间，一个在试样的内表1-2mm之间，每个横向截面包括：(i) atleasttworeadingswithintheweld,焊缝内至少两个读数(ii) atleasttworeadingsoneithersideoftheweldintheheataffectedzone,热影响区焊缝两边至少两个读数(iii) atleasttworeadingsoneachsideoftheweldintIleparentmetal焊缝两边的母材上至少两个读数Alongeachtraverse,thehardnessindentationsshallbemadeonmicrostructuresofthehighestexpectedhardness.Themeasuredmicro-hardnessshallnotexceedVickers248(248HV10).Allresultsshallbereported.根据每个试样，按照最高期望硬度来标识，显微硬度不超过维氏248，所有的结果必须形成报告。DESULPHURISATION脱硫AllsteelshallbedesulphurisedbytheCalcium-ArgonBlow(CAB)orPURCHASER-approvedequivalentprocess.所有的钢材必须使用钙氩喷吹方法脱硫，或者使用购买方批准的相似办法3.0 MATERIALREQUIREMENTS材料要求3.1 CHEMlCALPROPERTIES化学性质3.1.1 CHEMICALCOMPOSITION化学成分TheSELLERshallproposeachemicalcompositionforthepipetobesupplied.ThiscompositionshallbecontainedinthePipeManufacturingProcedureSpecification(API-5LAppendixA)and,asdeterminedbyproductanalyses,shallcomplywiththemaximumallowablelimitsspecifiedinthetablebelow.卖方须提供钢管的化学成分，成份必须包含API5L附录A中规定成分，产品的成分必须符合以下规定： WeightPercent重量比Carbon碳 0.16maximumManganese锰 0.8-1.6 Silicon 硅 0.10-0.35Phosphorus磷 0.020maximumSulfur硫 0.002maximumCalcium钙 0.006maximumCopper铜 0.35maximumChromium铬 0.30maximumMolybdenum钼 0.20maximumNickel镍 0.30maximumTitanium钛 0.030maximumBoron硼 0.0005maximumNiobium(Columbium)铌 0.05maximumVanadium钒 0.08maximumNiobium(Columbium)+Vanadium铌+钒 010maximumNitrogen氮 0.010maximumAluminum(Total)铝（总量） 0.015-0.05Aluminum(Soluble)铝（可溶） 2timesNitrogen(minimum)２倍氮（最小）TotalofNb+V+Ti+Cu+Cr+Mo 0.5maximumThemanufacturershallstateinthequotationthenominal(aim)chemicalcompositionandsteelmakingrouteforpipeontheorder.IntentionalalloyadditionsotherthancolumbiumorvanadiumwillnotbepermittedwithoutapprovalofPURCHASER.AimchemicalcompositionandmillcontrollimitsonalloyingelementsshallbesubjecttoPURCHASERapprovalpriortoContractsigning.工厂必须在报价中说明一般（目标）化学成分和订单中钢管的炼钢方法，没有买方的同意，除了铌或钒外的超标的合金元素是不允许的。在签合同前，目标化学成分和合金元素的控制必须得到买方的审核批准Thecarbonequivalentcalculationusing;碳当量的计算公式 (i) Whenthecarboncontentisgreaterthan0.12%theCE(IIW)formula,碳含量大于０．１２％时的碳当量计算公式： CE=Mn+Cr+Mo+V+Ni+Cu 6 5 15 thecarbonequivalentasdeterminedbyproductanalysisshallnotexceed0.36.根据产品分析，碳当量值不超过０．３６ (ii) Whenthecarboncontestislessthanorequalto0.12%usetheCE(Pcm)formula,碳含量小于或等于０．１２％时的碳当量计算公式： Pcm=C+Si+Mn+Cu+Cr+Ni+Mo+V+5B 30 20601510ThePcmvaluebasedonaproductanalysisshallnotexceed0.20碳当量值不超过０．２０3.1.4 Bothheatandproductanalysesshallbefurnished.每个炉号的产品分析必须提供3.1.5 Analysesshallbetakenfrom2pipes/heat.每个炉号选两根钢管做产品分析3.1.6 DeliberateadditionsofBoronshallnotbemade超标的硼含量不允许3.1.7 AllsteelshallbedesulphurisedbytheCalcium-ArgonBlow(CAB)orPURCHASER-approvedequivalentprocess.所有的钢材都应通过吹氩和喷矽钙粉(CAB)的方法或由购方批准的等效方法进行去硫MECHANICALPROPERTIES机械性能 API-5LandSupplementSR5,SR6andadditionalnotesasshown.按API-5L和附件SR5,SR6以及所示的附加注释Samplesforallmechanicaltestsshallbetakenfromthesameendofthesamelengthofpipe.所有机械测试的样本都应从一支管子的同一管端上截取3.2.1 FractureToughnessTests断裂韧度测试3.2.1.1 CVNImpactTestsshallbeconductedonallpipeinaccordancewithAPI5LsupplementaryrequirementSR5,andClauses(3.2.1.3)and(3.2.1.4)ofthisspecification.夏比v型缺口(CNV)冲击测试应按API5L附件SR5要求与本规范的3.2.1.3和3.2.1.4条款来进行3.2.1.2 DropWeightTearTests(DWTT)shallbeperformedinaccordancewithsupplementaryrequirementSR6.落锤撕裂试验(DWTT)应按附件SR6要求来执行3.2.1.3 PipeBodyTests.管体检测3.2.1.3.1 ThematerialshallexhibitaCVNabsorbedenergyasspecifiedin6.3ofthisSpecification.母材应显示按规范的6.3规定的CNV吸收能CVNandDWTTperformedinthepipebodyshallexhibitaminimumfractureappearanceshearareaof60percentonanytest.Noindividualspecimenshallexhibitlessthan50percentsheararea.在管体进行的CVN与DWTT中,任何检测应显示有最小60%断口剪切面积的百分比没有任何独立的试样显示的剪切面积小于50%Theall-lotaveragesheararea(CVNorDWTT)fortheordershallbenotlessthan85percentineachshipmentofpipesupplied.订单中每批发运的管子中整批(CVN或者DWTT的)平均剪切面积应不小于85%.Thetesttemperatureforallfracturetoughnesstestsshallbe10°C,oralowertemperatureselectedbytheSELLER.所有断裂韧度检测的测试温度应为10°C,或者由卖方选择的更低的温度3.2.1.4 WeldMetalTests焊接金属检测CharpyV-notchimpacttestsforthedeterminationofabsorbedenergyshallbeconductedonsamplesfromlongitudinalweldsat10°Corlower.Samplesfromweldsandweldheat-affectedzonesshallbeselectedbySELLER.However,thePURCHASERreservestherighttoselectadditionalsamples.测定吸收能(冲击功)的夏比V-型缺口冲击试验应在10°C或更低的温度下纵向于焊缝进行取样.从焊缝与焊接热影响区所取的试样将由卖方进行选择.但购方有选择附加的试样的权利.Thetestfrequencyforlongitudinalweldsshallbethesameasrequiredforweldtensiletests.Additionalsamplesshallbetakenintheeventofchangesinessentialorsupplementaryessentialvariablesoftheweldingprocedure,asdefinedintheASME,SectionIX(latestedition).LocationofsuchadditionalsamplesandretestingprocedureswillbedefinedbythePURCHASER.纵向焊缝检测频率应与焊缝拉伸检测要求的相同.如果在如ASME,IX卷(最新版)中定义的焊接工艺中有必要的变动或附加的基本变量发生,则将进行附加的试样的抽取.此类附加取样的位置与重新检测步骤将由购方来制定Energyabsorptionrequirementsshallbeasspecifiedin3.3ofthisSpecification.吸收能要求应按本规范的3.3来进行.3.2.2 MicrohardnessTests微观硬度检测.Forallwelds,thehardnessoftheweld,parentmetalandheat-affectedzonesshallnotexceedamaximumVickershardnessof248HV10.MicrohardnesstestsshallbeperformedinaccordancewithASTME384,usinga10kgload,atafrequencyofonetestpershiftforeachweldingunit.Measurementsshallbeperformedinaccordancewiththerequirementsofclause2.4.3onmicrostructuresofhighestexpectedhardness.所有的焊缝,其焊缝,母材与热影响区的硬度不应超过维氏硬度值248HV10.微观硬度测试应按ASTME384标准进行,在每个焊接单位,用10kg负荷,每班进行一次检测.应按2.4.3条款要求在微观结构测量最高理论硬度值3.2.3 Themacrohardnessatanylocationinthepipeshallnotexceed22HRCorequivalent.管任何地方的宏观硬度不得超过22HRC或等量值3.2.4 RangeofActualYieldStrengths实际屈服强度范围UnlessotherwiseapprovedbythePURCHASER,theactualyieldstrengthsshallnotexceedthespecifiedminimumbymorethan125MPa.除非经购方批准,实际屈服强度应不得超过规定最小值125MPa3.2.5 Y/TRatioTheratioofyieldstrengthtotensilestrength(Y/T)shallnotexceed0.90.屈服强度与拉伸强度比(Y/T)不应超过0.90FRACTURETOUGHNESS 断裂韧度API–5LandAppendixFSupplementarySR19.按API–5L与附录F补充的SR194.0 Dimensions,Weights,Lengths,DefectsandEndFinishes尺寸,重量,长度,缺陷与管端处理4.1 WALLTHICKNESS壁厚 API-5L–Table9refers.参考API-5L–表9 Thewallthicknessminustoleranceshallbe0%壁厚最小负公差应为0%.LENGTH长度Pipeshallbefurnishedindoublerandomlengths.Themaximumlengthshallbe12.80m(42ft)andtheminimumlengthshallbe10.97m(36ft).管子应提供双倍随机长度,最长为12.80m(42ft),最短为10.97m(36ft)JOINTERS接头Nomilljointersshallbesupplied.不提供任何工厂接头WORKMANSHIPANDDEFECTS工艺与缺陷4.4.1 OffsetOfPlateEdges管端错边Themaximumoffsetofplateedgesforallwallthicknessesatanylocationshallbethelesserof10percentoftheplatethicknessor3.0mm.所有壁厚任何位置的管端错边最大不得超过板厚10%或者3.0mm.4.4.2 Laminations分层Laminationsextendingintothefaceorbevelandhavingatransversedimensionexceeding6mm,oraccumulativelengthsofindicationsexceeding10mminany50mmofcircumference,shallbecutbackuntilallsuchlaminationsorinclusionsareremoved.延伸进表面或坡口的分层,如果横向尺寸超过6mm,或者在任何50mm周长范围内累积长度超过10mm的应修剪至所有此类的分层被去除4.4.3 OtherDefects其它缺陷Anyimperfectionhavingadepthgreaterthan8percentofthespecifiedwallthicknessmeasuredfromtheactualsurfaceofthepipe,orthatresultsinaremainingwallthicknessatanypointoflessthan95percentofthespecifiedwallthickness,shallbeconsideredadefect.任何从管表面实际测得深度超过规定壁厚8%的缺欠,或者使任何点的剩余壁厚少于规定壁厚95%的缺欠将被视为缺陷Surfacedefectscausedbymechanicalmeans,e.g.sharpgougesanddeepscratches,shallbegroundtovanishing,eventhoughtheymaybelessthanthepermissibledepthofimperfection.Allsuchdefectsgreaterindepththantwopercentofthespecifiedminimumwallthicknessshallbecheckedbymagneticparticleinspectionaftergrinding.因机械方式,如尖锐的凿伤与很深的划伤等,所致的表面缺陷应被打磨消失,即使其可能少于缺欠允许的深度.所有深度大于规定最小壁厚2%的此类的缺陷应在打磨后用磁粉探伤进行检验.PIPEENDS管端4.5.1 PlainEnds平端4.5.1.1 InadditiontotherequirementsofAPI5L,therootfacedimensionofbevelledendsshallbe1.59mm,+0.60mm,foratleast95percentofthecircumference.除API5L要求外,坡口钝边的尺寸应为1.59mm,+0.60mm,至少周长的95%.4.5.1.2 Allpipeendsshallbecutsquarewithin1.6mm.所有的管端应直切在1.6mm范围内4.5.1.3 Allpipeends,includingthosepipeswhichhavebeenrepaired,shallbemachinebevelled.Manualbevellingisnotacceptable.所有管端,包括补焊过的,应机械切斜,不得手工切斜InspectionAndTesting检测与试验5.1 TestReports检测报告TheresultsofallchemicalanalysesshallbereportedinaccordancewithAPI-5LsupplementalrequirementSR15.所有化学分析的结果都应按API-5L附件SR15要求进行报告5.2 TESTINGOFMECHANICALPROPERTIES机械性能检测5.2.1 TensileTests拉伸试验5.2.1.1WeldTensileTests焊缝拉伸试验5.2.1.1.1 Transverseweldtensiletestsshallincludedeterminationofelongation.Theminimumelongationshallbe10percent.横向焊缝拉伸试验应包含延伸率的测定.最小延伸率应为10%Theweldreinforcementshallnotberemovedwhenperformingtransverseweldtensiletests.执行横向焊缝拉伸试验时,焊缝余高不得移除5.3 HYDROSTATICTESTS水压试验5.3.1 HydrostaticTestRequirements水压试验要求5.3.1.1 Thehydrostatictestpressureforallsizesofpipeshallbeheldfornotlessthan10seconds.Thetestmediumshallbefreshwater.对所有管子进行的水压试验不得超过10秒。测试媒介应该是新鲜的水源。5.3.1.2 Testingshallstressthepipewallto95percentoftheSMYS.试验将管子挤压到管子厚度的95%SMYS。5.4 VISUALINSPECTION目测5.4.1 Visualinspectionshallincludebutnotbelimitedto:目测应包含但不仅仅局限于以下的不分:(a)Theentireexternalsurface,byaninspectorwalkingthefulllengthofthepipe.检验人员应对管子的整个外表面进行检验。(b)Theinternalsurfacebycrawlingthepipeorusinginspectionlamps,and通过在管内爬行或使用灯管对管子的内表面进行检验。(c)Thepipeends.对管段进行检验。5.4.2 Pipeshallbefreeofanymillcoating,looseinternalorexternalmillscale,oil,greaseorforeignmatter.Pipeshallbepresented,cleananddryforfinalinspectionbythePURCHASER.管子应光洁，无涂层，内外结垢，油污或其他物质，在买方进行最终检验前保持洁净，干燥。5.4.3 Allvisibleslivers,scabs,bristles,orothersurfaceimperfectionsthatwouldresultinanunacceptableexternallyappliedcoatingshallberemovedbygrindinginaccordancewithClause5.5.3ofthisSpecification.所有表面裂缝，刮痕或其他瑕疵应根据本标准第5.5.3的有关规定通过打磨去除。5.5 NONDESTRUCTIVEINSPECTION无损检验5.5.1 MethodsofInspection检验方式Allnon-destructivetestingprocedurestobeusedshallbesubjecttoPURCHASERapproval.所有无损探伤的试验安排都应得到买方的同意5.5.1.1 Thepipeendsshallbeinspectedbyfilmradiography,usingClass1orClass2film.用一级，二级胶片，对管段进行照影测试。5.5.2 UltrasonicandElectromagneticInspection超声波检验以及电磁探伤Allweldseamsshallbeexaminedexternallyfromeachsideoftheweldwithanautomaticultrasonicscanningdevicecapableofdisclosingunacceptablelongitudinalandtransversedefects.AcceptancelimitsshallbeasdefinedinTable21ofAPI5L.用一种能够检验出横向和纵向缺陷的超声波自动扫描设备从外部对管子的所有焊缝进行检测。验收尺度应参照API5L的表215.5.2.1 Equipment设备5.5.2.1.1 Ultrasonicequipmentshallbecheckedforcalibrationandinspectionsensitivitywiththeapplicablereferencestandardatleasttwicepershift.Ifthesignalobtainedfromthecalibrationreflectorusedtoestablishtheacceptancelimitismorethan4dBlowerthantheacceptancelimit,allpipeinspectedafterthelastprecedingacceptablecalibrationshallbere-inspectedafterrecalibrationhasbeenaccomplished.对超声波检验设备的精准度及灵敏度的调整，每班应至少进行两次。假如用于作为验收的校准信号输出的结果高出4分贝低于验收尺度，校准后，应对所有的管子进行重现检验。5.5.2.1.2 Ifanyfactorsotherthanthesensitivityhavechangedwhichmayhaveresultedinaninadequateultrasonicinspection,theequipmentshallberecalibratedandtheaffectedpipere-inspected.假如除灵敏度意外的其他因素改变，可能导致超声波检验不合格，需对设备重新进行校准，对受测管子重新进行检验。5.5.2.1.3 Themeasuredfluxdensityfromanyresidualmagnetisationshallnotexceed5.0mT.任何磁化残留物的通化面度不得超过5mT。5.5.2.2 WeldRepair补焊ThemethodofinspectionofweldrepairstotheweldseamofSAWpipeshallbesubjecttoPURCHASERreviewandapproval.螺旋管焊缝的补焊安排应得到买方的审核和同意。5.5.3 DispositionofDefects缺陷的处理Defectsshallberemovedbygrindingprovidedtheminimumremainingwallthicknessaftergrindingisnotlessthan95percentofthespecifiedwallthickness.假如打磨后的最小壁厚值小于规定壁厚的95%，应去除缺陷。5.5.3.1 ThepipeSELLERshallberesponsibleforthesurfacequalityofthepipeproduced.Inadditiontotherequirementsabove,anydefectsdiscoveredduringfinalinspectionshallberemovedtothesatisfactionofthePURCHASER'sinspectorbeforethepipeisshipped.卖方应对自己所生产的管子的表面质量负责。除以上要求外，在最终检验过程中发现的任何瑕疵都应进行处理，并得到买方检验人员的同意后方可出运。5.5.3.2 If,intheopinionofthePURCHASER'sinspector,thesurfaceofthepipeisnotsuitablefortheapplicationofcoatingduetopoorsurfacequality,additionalcostsincurredforpreparationofthepipesurfaceforcoatingshallbetheresponsibilityoftheSELLER,orthepipeshallberejected.假如买方的检验人员认为管子的表面质量太差，不适合进行后期的防腐处理，则由此产生的所有额外费用由卖方承担；假如对缺陷不进行处理，管子将被拒收。5.5.4 PipeEnds管端Allpipesshallbeinspectedforlaminationsextendingintothepipeendbyultrasonic,magneticparticleorliquidpenetranttechnique.使用超声波磁离子或液态渗透技术对所有管子的迭片结构进行检验6.0 Marking喷标6.1 GENERAL概述Allmarkingsshallbemadeusingpermanentpaint.所有的喷标应使用永久性涂料。6.2 LOCATIONOFMARKINGS喷标的位置Markingsshallbeappliedtobothendsandinthesameorientationateachend.Wherecoatingiscarriedoutinthesame