SP-D-0803.02-1001-013BurtonTechnicalSolutionCo.,Ltd.Specificationfor SP-D-0803.02-1001-013RevA PAGE7ofNUMPAGES35TABLEOFCONTENT目錄SECTION PAGE內(nèi)容頁碼1. SCOPE3范圍2. PROCESSOFMANUFACTUREANDMATERIAL6生產(chǎn)工藝與材料3. MATERIALREQUIREMENTS11材料要求4. DIAMENTIONS,WEIGHTS,LENGTHS,DEFECTSANDENDFINISHES16外徑，重量，長度，缺陷與管端處理5. INSPECTIONANDTESTING18檢測與試驗6. MARKING21噴標(biāo)7. DOCUMENTS23文件8. HANDLING,PACKAGING,TRANSPORTANDDELIVERY25操作，包裝，運輸和交付- appendixb27附件B- appendixn28附件NATTACHEMENT135附錄1 FIGURE1ANDFIGURE2TESTWELDS圖表1與圖表2焊縫檢測1.0 SCOPE范圍ThisSpecificationcoversthemanufacture,inspectiontestinganddeliveryoflinepipe.PipesuppliedunderthisSpecificationshallmeettherequirementsoftheAPISpecificationforLinePipe,Spec5L,FortyThirdEdition,(October2004)exceptwherethisSpecificationprovidesmorestringentrequirements.InthisspecificationshouldimplytheapplicationoftherequirementsasstatedinthesamesectionsofAPI5L,specification.ThenumberingofparagraphsinthisSpecificationcorrespondstoAPI5Lsectionsandparagraphnumbers.AdditionalclausesarenumberedsequentiallyasifpartoftherelevantsectionsinAPI5L.此標(biāo)準(zhǔn)包含管線鋼管的制造、檢測和發(fā)運。此標(biāo)準(zhǔn)下供應(yīng)的鋼管除了規(guī)定的更加嚴(yán)格的要求外，應(yīng)該滿足API5L標(biāo)準(zhǔn)對于管線鋼管5L，43版本的要求（2004年10月）。此標(biāo)準(zhǔn)應(yīng)該采用API5L標(biāo)準(zhǔn)中同樣章節(jié)中描述的要求。標(biāo)準(zhǔn)中編號的段落對應(yīng)API5L的章節(jié)和段落號。附加的條款如果是API5L標(biāo)準(zhǔn)中相關(guān)的章節(jié)的部分應(yīng)該連續(xù)編號。 ThefollowingdefinitionsshallapplywithinthisSpecification.以下定義應(yīng)用于本規(guī)范。"PURCHASER"shallmeanSiamEnergyCompanyLimited.“購買方”指SiamEnergyCompanyLimited（Siam能量有限公司）"SELLER"shallmeanthecompany,firmorindividual,includingemployees,agentsandotherauthorizedrepresentativesthereof,thathascontractedwiththePURCHASERforthemanufacture,supplyanddeliveryofthepipe.“賣方”指公司，工廠或個體，包括個人、雇員、代理或其他授權(quán)的代表，是已經(jīng)和“賣方”就鋼管生產(chǎn)、供應(yīng)和發(fā)運簽署合同的一方。API5LSUPPLEMENTARYREQUIREMENTSAPI5L補充要求ThefollowingsupplementaryrequirementsfromAppendixFapply:以下補充要求源于附件F：SR3ColorIdentification顏色判定SR5FractureToughnessTesting斷裂韌度檢測SR5BAbsorbedEnergy吸收功SR6DropWeightTearTesting落錘撕裂檢測AppendixB(part)AppendixKRepairofDefectsbyWelding焊縫缺陷修補EndLoadCompensationforHydrostaticTestPressuresinExcessof90%ofSpecifiedMinimumYieldStrength管端水壓負荷補償超過規(guī)定的屈服強度的90%SR15TestCertificatesandTraceabilityforLinePipe管線管的檢驗證書和追溯SR19AdditionalFractureToughnessRequirements其它的斷裂韌度要求PRODUCTSPECIFICATIONLEVEL(PSL)生產(chǎn)標(biāo)準(zhǔn)（PSL）PipesuppliedagainstthisspecificationshallmeetthestandardtechnicalrequirementsofPSL2.本規(guī)范中所涉及的管子應(yīng)符合PSL2技術(shù)要求標(biāo)準(zhǔn)。Grades鋼級MinimumGraderequirementforpipesuppliedinaccordancewiththisspecificationshallbeX70.符合本標(biāo)準(zhǔn)的供應(yīng)管的最低鋼級要求應(yīng)為X70UNITS單位UnlessotherwiseapprovedbythePURCHASER,alltechnicalinformationshallbepresentedinSIunits.ImperialunitsmaybegiveninparenthesesaftertheSIunit.除非購方特殊規(guī)定外,所有的技術(shù)信息均采取公制.英制可以在公制后的括弧內(nèi)出現(xiàn)APIMONOGRAMAPI徽標(biāo)SELLERSmanufacturingpipetothisspecificationshallbelicensedtousetheAPImonogram賣方必須具備使用API徽標(biāo)的許可NOTUSED非二手貨RIGHTOFREJECTION拒收權(quán)Wheremorethan50percentofthepipefromanyheat,coil,orlotisrejectedduetodefectsintheplate,skelp,tuberoundness,mechanicaltestfailures,orotherdeficiencies,thePURCHASERreservestherighttorejecttheentirepipeintheaffectedheat,coilorlot.鋼管的圓整度，機械測試失敗或者是其他缺陷達到任何中板的對應(yīng)的爐號，鋼卷，批號的50%以上，那么買家有權(quán)保留拒收QUALITYSYSTEM質(zhì)量體系TheSELLERshallimplementadocumentedqualitysystemacceptabletothePURCHASER.AnacceptablequalitystandardshallbeISO9002.Otherqualitystandardswillbeconsidered,pendingPURCHASERreviewandapproval.Anyamendments,changes,revisionsorothermodificationstotheacceptedqualitysystemshallbesubmittedforapprovalbythePURCHASERpriortomanufacture.賣方必須按照買方的質(zhì)量體系文件執(zhí)行，標(biāo)準(zhǔn)為IS09002最新版，其他的標(biāo)準(zhǔn)將由買方討論后提供。任何追加，改變，修正或其他的改動均有買方在生產(chǎn)過程中提供。1.8 CONFLICTOFINFORMATION信息沖突IntheeventofconflictofinformationthePURCHASERshallbecontactedforclarification.UnlessotherwiseagreedtobythePURCHASERthemorestringentrequirementsshallapply.如果有信息沖突應(yīng)向買方澄清，否則繼續(xù)按照應(yīng)該執(zhí)行的超嚴(yán)標(biāo)準(zhǔn)執(zhí)行。1.9 WELDABILITY焊接性ProofofWeldabilitytestsshallbeperformedinaccordancewiththerequirementsofAppendixNtothisspecification"InstructionsforthePerformanceofProofofWeldabilityTests".要根據(jù)附件N的“可焊接性試驗履行指導(dǎo)”進行。Weldabilitytestsshallbeconductedconcurrentlywithpipeproduction.ProductionproofofWeldabilitytestsshallbeperformedontheactualskelporplatetobeusedinpipemanufacture.可焊接性試驗必須知道整個鋼管的生產(chǎn)過程，運用到中板和鋼管用鋼管上面。2.0 PROCESSOFMANUFACTUREANDMATERIAL生產(chǎn)工藝與材料2.1 PROCESSOFMANUFACTURE生產(chǎn)工藝ThepipeshallbeDSAWdoublesubmergedarcweldedlongitudinalseamwithatleastonepassontheinsideandatleastonepassontheoutside.鋼管必須是雙面的DSAW埋弧焊接，有內(nèi)外兩條縱向焊縫。2.2 MATERIAL材料2.2.1 TheSELLERshallsubmithisdetailedtechnicalspecificationfortheproductionofskelptothePURCHASERforreviewandapprovalpriortoskelpproduction.SELLER’sspecificationshallprovidedetailedrequirementsforchemicalandmechanicaltestingofskelppriortoacceptanceofskelpforthemanufactureofbarepipe.賣方要證明所定材料就是買方所需要生產(chǎn)裸管的母材。Allskelpusedforpipeshallbemadefromfullykilledsteel.TheSELLERshallreportthede-oxidationprocess,andmethodofinclusionshapecontrol,ifany,usedbythesteelsupplier.母材必須是脫氧冶煉的，賣方需要提供關(guān)于鋼廠的去氧和分層的過程和途徑。AllskelpshallbeultrasonicallyinspectedforharmfullaminationsinaccordancewithrequirementsofASTMA578M-92,usinga100mm(4in.)grid.TheacceptancestandardshallbeLevelIinaccordancewiththerequirementsofASTMA578.TheultrasonicprocedureshallbesubmittedtothePURCHASERforapprovalpriortothecommencementofproduction.鋼板要按照ASTMA578M-92要求做嚴(yán)格的超聲波測試，達到一級驗收標(biāo)準(zhǔn)。使用100mm(4英寸)的網(wǎng)格，將超聲波過程一并提供給買方。TheSELLERshalldemonstratethateachheatoflinepipesuppliedisresistanttohydrogeninducedcracking(HIC)賣方要證明每個爐號的抗氫致裂(HIC)。.Foreachheatofpipesupplied,onepipeshallbeselectedfortestcouponremoval.Threetestcouponsshallberemoved,atapproximately120degreeintervalsaroundthecircumference.Onespecimenshallincludethelongitudinalweldseam.TestsshallbeconductedandevaluatedinaccordancewithrequirementsofthelatesteditionNACEStandardTM0284.Acceptancecriteriashallbeasfollows:Cracklengthratio:8percentmaximumCracksensitivityratio:1percent針對鋼管爐號，每支鋼管應(yīng)該選擇測試清除，三個測試段都要清除。大約120度的圈圈，試樣應(yīng)包括縱向焊縫，試驗要按照提供的最新的NACE標(biāo)準(zhǔn)TM0284驗收標(biāo)準(zhǔn)如下：-裂紋長度率最大8%-裂紋敏感性比率１％2.2.3.3Eachindividualreadingshallbereported.However,allreadingsmaybeaveragedtodetermineacceptanceofaheat.記錄報告每個獨立的數(shù)值,計算每爐的平均值。Plateorskelpshallnotcontainanyrepairwelds中板或制管用鋼板不可以接受任何修補。.MANUFACTURINGPROCEDURE制造工藝SELLERshallsubmitawrittenmanufacturingproceduretothePURCHASERatleasttwoweeksbeforetheactualcommencementofproduction.在實際生產(chǎn)前，賣方必須提交的書面的生產(chǎn)過程報告書（至少提前兩周）。ProductionshallnotcommencebeforethePURCHASERhasapprovedtheSELLER'Sprocedure.ThePURCHASERandSELLERshallmeettoreviewtheSELLER'Sprocedureatleastoneweekpriortotheactualcommencementofproduction.在沒有買方認(rèn)可前，賣方不能提前生產(chǎn)。雙方要準(zhǔn)備一周的產(chǎn)前討論。TheSELLER’SManufacturingProcedureSpecificationshallincludeallfactorsthatinfluencethequalityandreliabilityofproductionandthesuitabilityofthepipeforservice.Inparticular,thespecificationshallincludethefollowing:賣方的生產(chǎn)流程規(guī)范必須包含所有影響質(zhì)量和生產(chǎn)可靠性的所有因素。特別，要包含下列的：Nameofsteelmakerandplant(s)atwhichsteelandpipefeedstock(strip,coil,orplate)areproduced.鋼廠名字和鋼管生產(chǎn)工廠的原料堆放（鋼帶，鋼卷或中板）Steelmakingprocessandnominalweightofeachheat.每爐的公稱重量和母材的標(biāo)識過程。Minimumandmaximumworkinglimitsonheatandproductchemicalanalysis,whichareselectedandguaranteedbytheSupplierfortheorder.由賣方按照訂單提供的最大和最小的關(guān)于化學(xué)分析的每個爐號的極限值.Castingtechnique,sizeandweightofingots,slabs,skelps/coils,andplates.母材的鑄造技術(shù)Methodforthecontrolofsegregationincludingthemethodsofassessmentforresidualsandsegregationonslab/strip(macro-etching,sulphurprints,).分層的控制方法，包括評估，殘值和隔離上板/帶（宏觀刻蝕，硫磺打印,)Selectedworkingrangesfortensileproperties,impactpropertiesandwallthicknessonsteelstripsandplate母材的壁厚沖擊試驗，選定的工作范圍，拉伸性能Rollingtechnique/heattreatmentofsteelstripsandplate.母材的波浪和熱處理Systemforchecking/measurementofsteelstripandplatethickness.系統(tǒng)的母材壁厚檢驗和測量。Nominalsizeofdiscardfromstripedgesandends.對于中板洗邊的廢料尺寸.Steelstripultrasonictestingprocedure,includingmaximumexaminationcoverageproposed,calibrationofinspectionequipment,anddetailsofreferenceflaws.母材的超聲波檢驗過程，包括最大檢驗覆蓋率，檢測設(shè)備的校準(zhǔn)和參考缺點的細節(jié)。Characteristicsofthemainitemsofpipemanufacturingequipment,includingmanufacturer’snameandmaximumcapabilities.鋼管生產(chǎn)設(shè)備的特性，包括制造商的名字和極限生產(chǎn)能力。Fulldetailsofsubmergedarcweldingprocedure,includingnumberofwires,weldingparameters,electricalcharacteristics,travelspeed,weldingsequence,dimensionsandnumberofweldpassesandguidingmethodsofweldingheads.Detailsofthemethodoffluxrecirculationandreuseshallbegiven,payingdueattentiontohydrogenpick-upandthelossoffluxingredientsduetoconsumptionandattrition.埋弧焊程序，包括生產(chǎn)線，焊接工藝參數(shù)，電氣特性，旅行速度，焊接順序，尺寸和指導(dǎo)方法的焊接頭。細節(jié)的方法通量再循環(huán)和再利用，應(yīng)有的氫回升和虧損通量成分。ThemethodfortheVickershardnesssurveysofthesubmergedarcweldinaccordancewithClause2.4.3埋弧焊接的維氏硬度測試方法按照第2.4.3條Fulldetailsofallweldingrepairprocedures,includingmethodsofwelddefectremoval.所有的補焊規(guī)范，包括去除焊縫缺陷的方法Types,datasheets,sizesandbrandnamesofallweldingconsumables.所有焊接材料的類型，數(shù)據(jù)表，規(guī)格和品牌名稱Fulldetailsofautomaticultrasonictestingequipmentandprocedurefortheseamweld,includingmethodsofmarkingdefects,indicatinglossofcoupling,calibrationprocedures,andreferenceflaws.自動超聲波探傷設(shè)備明細，焊縫探傷流程，包括缺陷標(biāo)識方法，耦合缺失指示，校準(zhǔn)方法和基準(zhǔn)裂紋標(biāo)樣Pipeendultrasonictestingprocedure,withequipment,acceptancecriteria,methodandfrequencyofcalibratingtestingequipmentforbothstaticanddynamiccalibrations)管端超聲波的探傷設(shè)備和流程，允許偏差，設(shè)備校準(zhǔn)方法和頻率，包括動態(tài)和靜態(tài)校準(zhǔn)Fulldetailsofradiographictestingprocedureandequipment,includingfilmtype,brandandclass.X射線探傷的設(shè)備和流程細節(jié)，包括膠片類型，品牌和等級Techniquesandproceduresforwetmagneticparticleinspection(pipeendsandweldrepairedareas).剩磁檢測技術(shù)和流程（管端和焊縫修補處）Methodofmeasuringpipewallthickness,includingequipmentsensitivityanduncertaintyofmeasurement鋼管壁厚檢測方法，包括設(shè)備靈敏度和測量偏差Methodsproposedforpipedimensionalcheckingandmeasurement,includingpeakingattheweld,andendsquareness.外觀檢測方法，包括檢測焊縫余高和管端切斜EvidenceofthefieldWeldabilityofthepipeinformofpreheatfree(whereallowablewithrespecttowallthickness)fieldweldingproceduresusingbothcellulosicSMAweldingandGMAweldingperformedinaccordancewithAPI1104undercircumstancessimulatingfieldwelding.Wherepossible,thesetestswillbewitnessedbyeitherthePURCHASER,orthePURCHASER’snominatedRepresentative.Additionalevidencemaybeintheformofexistingrecentlyobtaineddataonthesamegrade(s)ofsteelandpipeofsimilardimensions.ItisakeyrequirementofthisSpecificationthatthepipesupplierfullydemonstratetothesatisfactionofthePURCHASERthatweldingdifficultieswillnotbeencounteredinthefieldduetounanticipatedaspectsofthepipeorthesteelfromwhichitwasmanufactured.WELDINGPROCEDUREQUALIFICATION焊接工藝評定WeldingproceduresshallbequalifiedinaccordancewiththeASMEBoilerandPressureVesselCode,SectionIX(latestedition)andclauses2.4.2and2.4.3ofthisspecification,foreachweldingprocessandconsumablecombinationemployed.WeldingproceduresshallbesubmittedtothePURCHASERforapprovalpriortoproduction.根據(jù)ASME鍋爐和壓力容器標(biāo)準(zhǔn)（最新版）第IX章和本規(guī)范第2.4.2，2.4.3節(jié)的要求評定焊接工藝流程。焊接工藝流程在生產(chǎn)前遞交購買方WeldingprocedurequalificationtestingshallincludeCharpyV-notch(CVN)impacttestsoftheweldandtheweldheat-affectedzones.Energyabsorptionrequirementsshallbeasspecifiedin3.3ofthisSpecification.Thetesttemperatureshallbeamaximumof10°C.However,theSELLERmayselectalowertesttemperatureifdesired.焊接工藝評定測試必須包括焊縫和熱處理區(qū)的夏比沖擊功試驗，沖擊功值必須符合本規(guī)范第3.3章節(jié)的規(guī)定。測試溫度最高為10°C。買方可根據(jù)需要選擇低點的測試溫度Procedurequalificationtestsshallincludemicro-hardnesstestingperformedinaccordancewithrequirementsofASTME384.Atleasttwomicro-hardnesstraversesacrosstheweld,heataffectedzonesandparentmetalusinga10kgloadshallbeperformed.Onetraverseshall-bebetween1and2mmfromtheoutsidesurfaceofthetestspecimen,andonetraverseshallbebetween1and2mmfromtheinsidesurfaceofthetestspecimen.Eachtraverseshallconsistofthefollowing:工藝評定測試須包括顯微硬度測試，根據(jù)ASTME384的規(guī)范執(zhí)行。至少在焊縫，熱影響區(qū)和母材上取兩組橫向試樣。一個在試樣外表的1-2mm之間，一個在試樣的內(nèi)表1-2mm之間，每個橫向截面包括：(i) atleasttworeadingswithintheweld,焊縫內(nèi)至少兩個讀數(shù)(ii) atleasttworeadingsoneithersideoftheweldintheheataffectedzone,熱影響區(qū)焊縫兩邊至少兩個讀數(shù)(iii) atleasttworeadingsoneachsideoftheweldintIleparentmetal焊縫兩邊的母材上至少兩個讀數(shù)Alongeachtraverse,thehardnessindentationsshallbemadeonmicrostructuresofthehighestexpectedhardness.Themeasuredmicro-hardnessshallnotexceedVickers248(248HV10).Allresultsshallbereported.根據(jù)每個試樣，按照最高期望硬度來標(biāo)識，顯微硬度不超過維氏248，所有的結(jié)果必須形成報告。DESULPHURISATION脫硫AllsteelshallbedesulphurisedbytheCalcium-ArgonBlow(CAB)orPURCHASER-approvedequivalentprocess.所有的鋼材必須使用鈣氬噴吹方法脫硫，或者使用購買方批準(zhǔn)的相似辦法3.0 MATERIALREQUIREMENTS材料要求3.1 CHEMlCALPROPERTIES化學(xué)性質(zhì)3.1.1 CHEMICALCOMPOSITION化學(xué)成分TheSELLERshallproposeachemicalcompositionforthepipetobesupplied.ThiscompositionshallbecontainedinthePipeManufacturingProcedureSpecification(API-5LAppendixA)and,asdeterminedbyproductanalyses,shallcomplywiththemaximumallowablelimitsspecifiedinthetablebelow.賣方須提供鋼管的化學(xué)成分，成份必須包含API5L附錄A中規(guī)定成分，產(chǎn)品的成分必須符合以下規(guī)定： WeightPercent重量比Carbon碳 0.16maximumManganese錳 0.8-1.6 Silicon 硅 0.10-0.35Phosphorus磷 0.020maximumSulfur硫 0.002maximumCalcium鈣 0.006maximumCopper銅 0.35maximumChromium鉻 0.30maximumMolybdenum鉬 0.20maximumNickel鎳 0.30maximumTitanium鈦 0.030maximumBoron硼 0.0005maximumNiobium(Columbium)鈮 0.05maximumVanadium釩 0.08maximumNiobium(Columbium)+Vanadium鈮+釩 010maximumNitrogen氮 0.010maximumAluminum(Total)鋁（總量） 0.015-0.05Aluminum(Soluble)鋁（可溶） 2timesNitrogen(minimum)２倍氮（最?。㏕otalofNb+V+Ti+Cu+Cr+Mo 0.5maximumThemanufacturershallstateinthequotationthenominal(aim)chemicalcompositionandsteelmakingrouteforpipeontheorder.IntentionalalloyadditionsotherthancolumbiumorvanadiumwillnotbepermittedwithoutapprovalofPURCHASER.AimchemicalcompositionandmillcontrollimitsonalloyingelementsshallbesubjecttoPURCHASERapprovalpriortoContractsigning.工廠必須在報價中說明一般（目標(biāo)）化學(xué)成分和訂單中鋼管的煉鋼方法，沒有買方的同意，除了鈮或釩外的超標(biāo)的合金元素是不允許的。在簽合同前，目標(biāo)化學(xué)成分和合金元素的控制必須得到買方的審核批準(zhǔn)Thecarbonequivalentcalculationusing;碳當(dāng)量的計算公式 (i) Whenthecarboncontentisgreaterthan0.12%theCE(IIW)formula,碳含量大于０．１２％時的碳當(dāng)量計算公式： CE=Mn+Cr+Mo+V+Ni+Cu 6 5 15 thecarbonequivalentasdeterminedbyproductanalysisshallnotexceed0.36.根據(jù)產(chǎn)品分析，碳當(dāng)量值不超過０．３６ (ii) Whenthecarboncontestislessthanorequalto0.12%usetheCE(Pcm)formula,碳含量小于或等于０．１２％時的碳當(dāng)量計算公式： Pcm=C+Si+Mn+Cu+Cr+Ni+Mo+V+5B 30 20601510ThePcmvaluebasedonaproductanalysisshallnotexceed0.20碳當(dāng)量值不超過０．２０3.1.4 Bothheatandproductanalysesshallbefurnished.每個爐號的產(chǎn)品分析必須提供3.1.5 Analysesshallbetakenfrom2pipes/heat.每個爐號選兩根鋼管做產(chǎn)品分析3.1.6 DeliberateadditionsofBoronshallnotbemade超標(biāo)的硼含量不允許3.1.7 AllsteelshallbedesulphurisedbytheCalcium-ArgonBlow(CAB)orPURCHASER-approvedequivalentprocess.所有的鋼材都應(yīng)通過吹氬和噴矽鈣粉(CAB)的方法或由購方批準(zhǔn)的等效方法進行去硫MECHANICALPROPERTIES機械性能 API-5LandSupplementSR5,SR6andadditionalnotesasshown.按API-5L和附件SR5,SR6以及所示的附加注釋Samplesforallmechanicaltestsshallbetakenfromthesameendofthesamelengthofpipe.所有機械測試的樣本都應(yīng)從一支管子的同一管端上截取3.2.1 FractureToughnessTests斷裂韌度測試3.2.1.1 CVNImpactTestsshallbeconductedonallpipeinaccordancewithAPI5LsupplementaryrequirementSR5,andClauses(3.2.1.3)and(3.2.1.4)ofthisspecification.夏比v型缺口(CNV)沖擊測試應(yīng)按API5L附件SR5要求與本規(guī)范的3.2.1.3和3.2.1.4條款來進行3.2.1.2 DropWeightTearTests(DWTT)shallbeperformedinaccordancewithsupplementaryrequirementSR6.落錘撕裂試驗(DWTT)應(yīng)按附件SR6要求來執(zhí)行3.2.1.3 PipeBodyTests.管體檢測3.2.1.3.1 ThematerialshallexhibitaCVNabsorbedenergyasspecifiedin6.3ofthisSpecification.母材應(yīng)顯示按規(guī)范的6.3規(guī)定的CNV吸收能CVNandDWTTperformedinthepipebodyshallexhibitaminimumfractureappearanceshearareaof60percentonanytest.Noindividualspecimenshallexhibitlessthan50percentsheararea.在管體進行的CVN與DWTT中,任何檢測應(yīng)顯示有最小60%斷口剪切面積的百分比沒有任何獨立的試樣顯示的剪切面積小于50%Theall-lotaveragesheararea(CVNorDWTT)fortheordershallbenotlessthan85percentineachshipmentofpipesupplied.訂單中每批發(fā)運的管子中整批(CVN或者DWTT的)平均剪切面積應(yīng)不小于85%.Thetesttemperatureforallfracturetoughnesstestsshallbe10°C,oralowertemperatureselectedbytheSELLER.所有斷裂韌度檢測的測試溫度應(yīng)為10°C,或者由賣方選擇的更低的溫度3.2.1.4 WeldMetalTests焊接金屬檢測CharpyV-notchimpacttestsforthedeterminationofabsorbedenergyshallbeconductedonsamplesfromlongitudinalweldsat10°Corlower.Samplesfromweldsandweldheat-affectedzonesshallbeselectedbySELLER.However,thePURCHASERreservestherighttoselectadditionalsamples.測定吸收能(沖擊功)的夏比V-型缺口沖擊試驗應(yīng)在10°C或更低的溫度下縱向于焊縫進行取樣.從焊縫與焊接熱影響區(qū)所取的試樣將由賣方進行選擇.但購方有選擇附加的試樣的權(quán)利.Thetestfrequencyforlongitudinalweldsshallbethesameasrequiredforweldtensiletests.Additionalsamplesshallbetakenintheeventofchangesinessentialorsupplementaryessentialvariablesoftheweldingprocedure,asdefinedintheASME,SectionIX(latestedition).LocationofsuchadditionalsamplesandretestingprocedureswillbedefinedbythePURCHASER.縱向焊縫檢測頻率應(yīng)與焊縫拉伸檢測要求的相同.如果在如ASME,IX卷(最新版)中定義的焊接工藝中有必要的變動或附加的基本變量發(fā)生,則將進行附加的試樣的抽取.此類附加取樣的位置與重新檢測步驟將由購方來制定Energyabsorptionrequirementsshallbeasspecifiedin3.3ofthisSpecification.吸收能要求應(yīng)按本規(guī)范的3.3來進行.3.2.2 MicrohardnessTests微觀硬度檢測.Forallwelds,thehardnessoftheweld,parentmetalandheat-affectedzonesshallnotexceedamaximumVickershardnessof248HV10.MicrohardnesstestsshallbeperformedinaccordancewithASTME384,usinga10kgload,atafrequencyofonetestpershiftforeachweldingunit.Measurementsshallbeperformedinaccordancewiththerequirementsofclause2.4.3onmicrostructuresofhighestexpectedhardness.所有的焊縫,其焊縫,母材與熱影響區(qū)的硬度不應(yīng)超過維氏硬度值248HV10.微觀硬度測試應(yīng)按ASTME384標(biāo)準(zhǔn)進行,在每個焊接單位,用10kg負荷,每班進行一次檢測.應(yīng)按2.4.3條款要求在微觀結(jié)構(gòu)測量最高理論硬度值3.2.3 Themacrohardnessatanylocationinthepipeshallnotexceed22HRCorequivalent.管任何地方的宏觀硬度不得超過22HRC或等量值3.2.4 RangeofActualYieldStrengths實際屈服強度范圍UnlessotherwiseapprovedbythePURCHASER,theactualyieldstrengthsshallnotexceedthespecifiedminimumbymorethan125MPa.除非經(jīng)購方批準(zhǔn),實際屈服強度應(yīng)不得超過規(guī)定最小值125MPa3.2.5 Y/TRatioTheratioofyieldstrengthtotensilestrength(Y/T)shallnotexceed0.90.屈服強度與拉伸強度比(Y/T)不應(yīng)超過0.90FRACTURETOUGHNESS 斷裂韌度API–5LandAppendixFSupplementarySR19.按API–5L與附錄F補充的SR194.0 Dimensions,Weights,Lengths,DefectsandEndFinishes尺寸,重量,長度,缺陷與管端處理4.1 WALLTHICKNESS壁厚 API-5L–Table9refers.參考API-5L–表9 Thewallthicknessminustoleranceshallbe0%壁厚最小負公差應(yīng)為0%.LENGTH長度Pipeshallbefurnishedindoublerandomlengths.Themaximumlengthshallbe12.80m(42ft)andtheminimumlengthshallbe10.97m(36ft).管子應(yīng)提供雙倍隨機長度,最長為12.80m(42ft),最短為10.97m(36ft)JOINTERS接頭Nomilljointersshallbesupplied.不提供任何工廠接頭WORKMANSHIPANDDEFECTS工藝與缺陷4.4.1 OffsetOfPlateEdges管端錯邊Themaximumoffsetofplateedgesforallwallthicknessesatanylocationshallbethelesserof10percentoftheplatethicknessor3.0mm.所有壁厚任何位置的管端錯邊最大不得超過板厚10%或者3.0mm.4.4.2 Laminations分層Laminationsextendingintothefaceorbevelandhavingatransversedimensionexceeding6mm,oraccumulativelengthsofindicationsexceeding10mminany50mmofcircumference,shallbecutbackuntilallsuchlaminationsorinclusionsareremoved.延伸進表面或坡口的分層,如果橫向尺寸超過6mm,或者在任何50mm周長范圍內(nèi)累積長度超過10mm的應(yīng)修剪至所有此類的分層被去除4.4.3 OtherDefects其它缺陷Anyimperfectionhavingadepthgreaterthan8percentofthespecifiedwallthicknessmeasuredfromtheactualsurfaceofthepipe,orthatresultsinaremainingwallthicknessatanypointoflessthan95percentofthespecifiedwallthickness,shallbeconsideredadefect.任何從管表面實際測得深度超過規(guī)定壁厚8%的缺欠,或者使任何點的剩余壁厚少于規(guī)定壁厚95%的缺欠將被視為缺陷Surfacedefectscausedbymechanicalmeans,e.g.sharpgougesanddeepscratches,shallbegroundtovanishing,eventhoughtheymaybelessthanthepermissibledepthofimperfection.Allsuchdefectsgreaterindepththantwopercentofthespecifiedminimumwallthicknessshallbecheckedbymagneticparticleinspectionaftergrinding.因機械方式,如尖銳的鑿傷與很深的劃傷等,所致的表面缺陷應(yīng)被打磨消失,即使其可能少于缺欠允許的深度.所有深度大于規(guī)定最小壁厚2%的此類的缺陷應(yīng)在打磨后用磁粉探傷進行檢驗.PIPEENDS管端4.5.1 PlainEnds平端4.5.1.1 InadditiontotherequirementsofAPI5L,therootfacedimensionofbevelledendsshallbe1.59mm,+0.60mm,foratleast95percentofthecircumference.除API5L要求外,坡口鈍邊的尺寸應(yīng)為1.59mm,+0.60mm,至少周長的95%.4.5.1.2 Allpipeendsshallbecutsquarewithin1.6mm.所有的管端應(yīng)直切在1.6mm范圍內(nèi)4.5.1.3 Allpipeends,includingthosepipeswhichhavebeenrepaired,shallbemachinebevelled.Manualbevellingisnotacceptable.所有管端,包括補焊過的,應(yīng)機械切斜,不得手工切斜InspectionAndTesting檢測與試驗5.1 TestReports檢測報告TheresultsofallchemicalanalysesshallbereportedinaccordancewithAPI-5LsupplementalrequirementSR15.所有化學(xué)分析的結(jié)果都應(yīng)按API-5L附件SR15要求進行報告5.2 TESTINGOFMECHANICALPROPERTIES機械性能檢測5.2.1 TensileTests拉伸試驗5.2.1.1WeldTensileTests焊縫拉伸試驗5.2.1.1.1 Transverseweldtensiletestsshallincludedeterminationofelongation.Theminimumelongationshallbe10percent.橫向焊縫拉伸試驗應(yīng)包含延伸率的測定.最小延伸率應(yīng)為10%Theweldreinforcementshallnotberemovedwhenperformingtransverseweldtensiletests.執(zhí)行橫向焊縫拉伸試驗時,焊縫余高不得移除5.3 HYDROSTATICTESTS水壓試驗5.3.1 HydrostaticTestRequirements水壓試驗要求5.3.1.1 Thehydrostatictestpressureforallsizesofpipeshallbeheldfornotlessthan10seconds.Thetestmediumshallbefreshwater.對所有管子進行的水壓試驗不得超過10秒。測試媒介應(yīng)該是新鮮的水源。5.3.1.2 Testingshallstressthepipewallto95percentoftheSMYS.試驗將管子擠壓到管子厚度的95%SMYS。5.4 VISUALINSPECTION目測5.4.1 Visualinspectionshallincludebutnotbelimitedto:目測應(yīng)包含但不僅僅局限于以下的不分:(a)Theentireexternalsurface,byaninspectorwalkingthefulllengthofthepipe.檢驗人員應(yīng)對管子的整個外表面進行檢驗。(b)Theinternalsurfacebycrawlingthepipeorusinginspectionlamps,and通過在管內(nèi)爬行或使用燈管對管子的內(nèi)表面進行檢驗。(c)Thepipeends.對管段進行檢驗。5.4.2 Pipeshallbefreeofanymillcoating,looseinternalorexternalmillscale,oil,greaseorforeignmatter.Pipeshallbepresented,cleananddryforfinalinspectionbythePURCHASER.管子應(yīng)光潔，無涂層，內(nèi)外結(jié)垢，油污或其他物質(zhì)，在買方進行最終檢驗前保持潔凈，干燥。5.4.3 Allvisibleslivers,scabs,bristles,orothersurfaceimperfectionsthatwouldresultinanunacceptableexternallyappliedcoatingshallberemovedbygrindinginaccordancewithClause5.5.3ofthisSpecification.所有表面裂縫，刮痕或其他瑕疵應(yīng)根據(jù)本標(biāo)準(zhǔn)第5.5.3的有關(guān)規(guī)定通過打磨去除。5.5 NONDESTRUCTIVEINSPECTION無損檢驗5.5.1 MethodsofInspection檢驗方式Allnon-destructivetestingprocedurestobeusedshallbesubjecttoPURCHASERapproval.所有無損探傷的試驗安排都應(yīng)得到買方的同意5.5.1.1 Thepipeendsshallbeinspectedbyfilmradiography,usingClass1orClass2film.用一級，二級膠片，對管段進行照影測試。5.5.2 UltrasonicandElectromagneticInspection超聲波檢驗以及電磁探傷Allweldseamsshallbeexaminedexternallyfromeachsideoftheweldwithanautomaticultrasonicscanningdevicecapableofdisclosingunacceptablelongitudinalandtransversedefects.AcceptancelimitsshallbeasdefinedinTable21ofAPI5L.用一種能夠檢驗出橫向和縱向缺陷的超聲波自動掃描設(shè)備從外部對管子的所有焊縫進行檢測。驗收尺度應(yīng)參照API5L的表215.5.2.1 Equipment設(shè)備5.5.2.1.1 Ultrasonicequipmentshallbecheckedforcalibrationandinspectionsensitivitywiththeapplicablereferencestandardatleasttwicepershift.Ifthesignalobtainedfromthecalibrationreflectorusedtoestablishtheacceptancelimitismorethan4dBlowerthantheacceptancelimit,allpipeinspectedafterthelastprecedingacceptablecalibrationshallbere-inspectedafterrecalibrationhasbeenaccomplished.對超聲波檢驗設(shè)備的精準(zhǔn)度及靈敏度的調(diào)整，每班應(yīng)至少進行兩次。假如用于作為驗收的校準(zhǔn)信號輸出的結(jié)果高出4分貝低于驗收尺度，校準(zhǔn)后，應(yīng)對所有的管子進行重現(xiàn)檢驗。5.5.2.1.2 Ifanyfactorsotherthanthesensitivityhavechangedwhichmayhaveresultedinaninadequateultrasonicinspection,theequipmentshallberecalibratedandtheaffectedpipere-inspected.假如除靈敏度意外的其他因素改變，可能導(dǎo)致超聲波檢驗不合格，需對設(shè)備重新進行校準(zhǔn)，對受測管子重新進行檢驗。5.5.2.1.3 Themeasuredfluxdensityfromanyresidualmagnetisationshallnotexceed5.0mT.任何磁化殘留物的通化面度不得超過5mT。5.5.2.2 WeldRepair補焊ThemethodofinspectionofweldrepairstotheweldseamofSAWpipeshallbesubjecttoPURCHASERreviewandapproval.螺旋管焊縫的補焊安排應(yīng)得到買方的審核和同意。5.5.3 DispositionofDefects缺陷的處理Defectsshallberemovedbygrindingprovidedtheminimumremainingwallthicknessaftergrindingisnotlessthan95percentofthespecifiedwallthickness.假如打磨后的最小壁厚值小于規(guī)定壁厚的95%，應(yīng)去除缺陷。5.5.3.1 ThepipeSELLERshallberesponsibleforthesurfacequalityofthepipeproduced.Inadditiontotherequirementsabove,anydefectsdiscoveredduringfinalinspectionshallberemovedtothesatisfactionofthePURCHASER'sinspectorbeforethepipeisshipped.賣方應(yīng)對自己所生產(chǎn)的管子的表面質(zhì)量負責(zé)。除以上要求外，在最終檢驗過程中發(fā)現(xiàn)的任何瑕疵都應(yīng)進行處理，并得到買方檢驗人員的同意后方可出運。5.5.3.2 If,intheopinionofthePURCHASER'sinspector,thesurfaceofthepipeisnotsuitablefortheapplicationofcoatingduetopoorsurfacequality,additionalcostsincurredforpreparationofthepipesurfaceforcoatingshallbetheresponsibilityoftheSELLER,orthepipeshallberejected.假如買方的檢驗人員認(rèn)為管子的表面質(zhì)量太差，不適合進行后期的防腐處理，則由此產(chǎn)生的所有額外費用由賣方承擔(dān)；假如對缺陷不進行處理，管子將被拒收。5.5.4 PipeEnds管端Allpipesshallbeinspectedforlaminationsextendingintothepipeendbyultrasonic,magneticparticleorliquidpenetranttechnique.使用超聲波磁離子或液態(tài)滲透技術(shù)對所有管子的迭片結(jié)構(gòu)進行檢驗6.0 Marking噴標(biāo)6.1 GENERAL概述Allmarkingsshallbemadeusingpermanentpaint.所有的噴標(biāo)應(yīng)使用永久性涂料。6.2 LOCATIONOFMARKINGS噴標(biāo)的位置Markingsshallbeappliedtobothendsandinthesameorientationateachend.Wherecoatingiscarriedoutinthesame