菲律宾无损检测解决方案中英文对照指南.docx
菲律宾ANGAT水运用和管道改造工程ANGATWaterUtilizationandAqueductImprovementProject(AWUAIP)无损检测方案Non-destructivetestingscheme编制单位(Enterprise):编制人(Compiler):审核人(Verifier):批准人(APProVer):编制日期一年月日CompileDateymdE号(PrintedNUmber):版本:第一版公布日期:年月日Edition:FirstpublishedReleaseDate:大马尼拉供水项目钢管制作工程无损检测方案AngatWaterUtilizationandAqueductImprovementProject(AWUAIP)SteelPipeManufactureProjectNon-destructivetestingscheme1概述1 General该工程管道规格为D3300mmxl6mm和D3500mmx6mm,材质为:A283C,规定所有对接焊缝进行超声波检测,其他焊缝进行磁粉检测或液体渗透检测,超声波检测应符合ASME第8部分第1条附件U依J规定,磁粉检测应符合ASMEE109FrJ规定。SpecificationsofpipeinthisprojectareD3300mm×16mmandD3500mm×6mm,materialqualityis:A283C,requiringultrasonictesting(UT)forallbuttweld,magneticparticletesting(MT)orliquidpenetranttesting(PT)forotherweld,ultrasonictesting(UT)shallconformtorequirementsinClause1Section8ofAnnexU,magneticparticletesting(MT)shallconformtorequirementsofASMEE109.2超声波检测工艺2 UltrasonicTestingTechnics2.1 本措施采用A型脉冲反射式数字超声探伤仪对承压部位的所有对接焊接接头进行超声波检测。2.2 ButtweldjointforcompressionpositionshallbeultrasonictestedbyA-modedigitalultrasonicflawdetectorusingpulseechotechniqueduringthistechnique2.3 对详细的产品需要制定详细口勺检测方案,按程序规定进行审批和实行。2.4 Inspectionschemeindetailshallbedrawnupforspecificproduct,approvedandexecutedaccordingtotherequirementsofprocedure.2.5 检测工艺卡由超声波检测11级人员按协议规定编制。2.6 InspectiontechnicscardshallbedrawnupbyultrasonictestingIlclasspersonnelaccordingtocontractrequirements.2.7 检测人员2.8 Inspector2.8.1 检测人员必须通过培训,获得国家有关部门颁布的,符合SNT-TC-IA原则规定,并与其工作相适应的资格证书。Inspectorsmustbetrained,acquiringqualificationcertificatewhichiscorrespondingtotheiroperationsandconformstorequirementsofSN,FTC-1Astandardissuedbyrelateddepartments.2.8.2 检测人员每年检查一次身体,其矫正视力不低于1.0。Healthofinspectorsshallbecheckedwhosecorrectedvisualacuityshouldbenotlessthan1.0.2.9 仪器、探头和试块2.10 Instrument,probeandtestblock2.10.1 用仪器为PFUT2400型或其他型号的数字超声波探伤仪。InstrumentshallbeusedDigitalultrasonicawdetectorasPFUT2400orothertype.2.10.2 器和探头的组合敏捷度:在到达所检工件最大声程时,其有效敏捷度余量应多0dB0Combinationsensitivityofinstrumentandprobe:whenitcomesuptomaximumBeampathofinspectedworkpiecewhoseeffectivesensitivityshallbe10dB.253仪器和探头的组合频率与公称频率误差不得不小于±10%。Errorofcombinationfrequencyandnominalfrequencybetweeninstrumentandprobeshallbenotmorethan±10%.254超声波探伤仪Fl勺工作频率范围为0.510MHz,仪器至少在荧光屏满刻度的80%范围内呈线性显示。水平线性误差不不小于1%,垂直线性误差不不小于5%。OperationFrequencyRangeofultrasonicfaultdetectorshallbe0.510MHZ,instrumentshallbelinearindicationatleastincluding80%offull-scalefluorescentscreen.Errorofhorizontallinearityisnotmorethan1%,andverticallinearityisnotmorethan5%。2.10.5 厚为6mm的对接焊缝选用频率为5MHZ,折射角为70。和折射角为60。的2个聚焦斜探头分别进行检测。Bullweldwith6mmwallthicknessselects5MHZfrequency,shallbeinspectedbytwofocusingangleprobewith70oand60orefractedangle.2.10.6 厚为16mm口勺对接焊缝选用频率为2.5MHz,折射角为60。和折射角为45。的2个单晶斜探头分别进行检测。Buttweldwith16mtnwallthicknessselects2.5MHZfrequency,shallbeinspectedbytwomonocrystalangleprobewith70oand60oproberefractedangle.2.10.7 比试块应采用与被检工件相似声学性能於J材料制成。Materialofcontrasttestblockshallbeidenticaltoacousticalpropertyofinspectedworkpiece.2.10.8 比试块的其他制造规定应符合ASME第8部分第1条附件U的规定。也可采用协议规定的其他型号对比试块。OthermanufacturerequirementsofcontrasttestblockshallbeaccordingwithrequirementsinClause1Section8ofAnnexU.Othertypecontractedcontrasttestblockshallbeused.2.11 测的一般措施2.12 Generaltechniqueofinspection2.12.1 测复盖率:检测时探头的每次扫查复盖应不小于探头直径的15%。Inspectioncoveragerate:scanningcoverageofprobewheninspectshallbemorethan15%ofprobediametereachtime.2.12.2 头的移动速度:探头的扫查速度不得超过150mm/SoTravellingspeedofprobe:scanningspeedofprobeshallbenotmorethan150mms.2.12.3 用机油、浆糊、甘油和水等透声性好,且不损伤检测表面的耦合剂。Engineoil,paste,glycerolandwateretc.shallbewellpermeabilitytoultrasoundandcouplantshallnotdamageinspectedsurface.2.12.4 测面确实定,应保证工件被检部分均能得到充足检查。Inspectedworkpieceshallbeinspectedinsufficientduringdetermineofinspectionsurface.2.12.5 测面应经外观检查合格,所有影响超声检测的锈蚀、飞溅、污物都应予以清除,其表面粗糙度应符合检测规定。Inspectionsurfaceshallbequalifiedbyappearanceinspection,rustcorrosionanddirtshouldbeclearedawaytomakesurfaceroughnesscorrespondingtorequirementsofinspection.2.13 Calibration2.13.1 准应在原则试块上进行,校准中应使超声主声束垂直对准反射体的反射面,以获得稳定的和最大的反射信号。Standardtestblockshallbecalibrated,reflectingsurfaceofreflectorwhichultrasonicmainbeamverticallyaimsat,toobtainstableandmaximumreflectedsignals.2.13.2 隔三个月至少应对仪器的水平和垂直线进行一次测定。Instrumentalhorizontalandverticallineshallbedeterminedonetimeatleasteverythreemonths.2.13.3 器和探头系统的)复核Recheckinstrumentandprobe碰到下述状况应对系统进行复核:Incaseoffollowingconditions,systemshallberechecked:(1)校准后的探头、耦合剂和仪器调整旋钮发生变化时;Whenadjustingknobofprobe,couplantandinstrumentshallbechangedaftercalibration;(2)检测者怀疑扫描量程和扫查敏捷度有变化时;Wheninspectordoubtsthatscanningrangeandscanningsensitivityhaschanged;(3)持续工作4小时以上时;Whencontinuousworkinghoursaremorethan4hours;(4)工作结束时。Endofjob.2.14 声波检测规定1.8 Ultrasonictestingrequirements1.8.1 一般用两种K值探头采用直射波法和一次反射波法在焊接接头的单面双侧进行检测。GenerallysignalsideandbilateralofweldingjointshallbeinspectedusingstraightbeamtechniqueandprimaryreflectedwavetechniquewithtwokindsofKvalueprobe.1.8.2 应进行横向缺陷的检测。检测时将探头放在焊缝及热影响区的两侧作两个方向的平行扫查。Inspectionoflateraldefect.Wheninspectingprobeshallbelocatedattwosidesofweldandheataffectedzone,todoparallelscanoftwodirections.1.8.3 扫查敏捷度:不低于最大声程处的参照反射体波富。检测横向缺陷时,要将敏捷度提6dBoScanningsensitivity:nolessthanreferencereflectedbodywaveheightatmaximumBeampath.Wheninspectedlateraldefect,sensitivityshallincreaseto6dB.1.8.4 表面赔偿:以实测为准,不得低于4dB°Surfacecompensation:basedonactualmeasurement,nolessthan4dB.a.为检测纵向缺陷,斜探头应垂直于焊缝中心线放置在检测面上,作锯齿型扫查。探头前后移动的范围应保证扫查到所有焊缝截面。在保持探头垂直焊缝作前后移动的同步,还应作10。15。的左右转动。a. Forinspectinglongitudinaldefect,angleprobeshallbeverticaltoweldcenterline,locatingontheinspectionsurface,toscanassawtooth.Rangeofprobemovingbackandforthshallensuretoscantheentireweldcrossprofile.Whilekeepprobemovingbackandforthverticaltoweld,turnabout10o15o.b. b.为检测焊缝及热影响区日勺横向缺陷应进行平行和斜平行扫查。检测时,可在焊缝两侧边缘使探头与焊缝中心线成10。20。作斜平行扫查。焊缝余高磨平时,可将探头放在焊缝及热影响区上作两个方向的平行扫查。c. 1.ateralscanandlateralscanwithobliqueangleinordertoinspectweldandlandscapeflawofweldandheataffectedzone.Whentesting,lateralscanwithobliqueangleat10020oanglebetweenprobeandweldcenterlineonweldtwosidesedge.Whengrindingweldreinforcement,probeshalllocateattwodirectionsofweldandheataffectedzonetolateralscan.c.为确定缺陷的位置、方向和形状,观测缺陷动态波形和辨别缺陷信号或伪缺陷信号,可采用前后、左右、转角、围绕等四种探头基本扫查方式。d. Inordertodetermineposition,directionandshapeofflaw,observeflawdynamicwavefromanddistinguishflawsignalorfakeflawsignal,fourkindsofbasicscanningmethodsforprobeareback&forth,rightandleft,moveatanangle,andencircleetc.1.9 缺陷评估1.10 Assessmentofdetect1.10.1 过参照反射体的信号应注意其与否具有裂纹等危害性缺陷特性,如有怀疑时,应采用变化探头折射角、观测动态波型并结合焊接工艺作综合分析。Exceedsignalofreferencereflector,noticeifthereishazardflawcharacteristicsuchasflaw,ifindoubt,conductcomprehensiveanalysiswithchangingrefractedangleofprobe,observingdynamicwavefromandcombinedwithweldtechnics.1.10.2 个点状缺陷指示长度按5mm计。Indicatinglengthshallbe5mmforsinglepointdefect.1.10.3 两缺陷在一直线上其间距不不小于其中较小日勺缺陷长度时,应作为一条缺陷处理,以两缺陷长度之和作为其指示长度(不考虑间距)。Whengapdistancebetweenadjacenttwodefectsinastraightlineshallbelessthansmallerdefectlength,itshallbeasonedefect,andmadesumoftwodefectlengthasitsindicatinglength(withoutregardtogap).1.10.4 检测人员认为缺陷为裂纹时,或缺陷长度和缺陷信号大小超过协议规定日勺拒收范围时,该缺陷必须拒收,并及时进行返修,返修后需采用本来的I超声波检测工艺进行检测。Wheninspectorconsidersitasflaw,orflawlengthandflawsignallevelexceedcontractedrejectionscope,thisdefectmustberejected,andrepairedintime,afterrepaireditshallbeinspectedwithprimaryultrasonictestingtechnics.3磁粉检测工艺3 MagneticParticleInspection3.1 本工艺合用于铁磁性材料焊缝表面及近表面的磁粉检测。3.2 Themagneticparticleinspectionshallbeapplicableforflawdetectionofweldsandtheadjacentsurfaceoftheferromagneticmaterials.3.3 检测工艺卡由磁粉检测11级人员按协议规定编制。3.4 TheinspectionproceduresheetsshallbepreparedbypersonswithGradeIIqualificationsformagneticparticleinspection.3.5 检测人员3.6 Inspectors)检测人员必须通过培训获得国家有关部门颁布的,符合SNT-Te-IA原则规定,并与其工作相适应的资格证书。Theinspector(s)shallbetrainedandhaverelatedqualificationcertificatesthatshallbeissuedbyauthoritiesandincompliancewithspecificationsSNT-TC-IA.检测人员每年应检查一次身体,其矫正视力不低于1.0,不得有色盲。Theinspectors)forthetestshallhavehisortheireyesexaminedatleastforonetimeeveryyear,whosevisionaftercorrectionshallnotbelessthan1.0.Person(s)whohasorhavecolorblindnessshallnotbeallowedfortheinspectionwork.3.7 设备、工具和材料3.8 Equipment,ToolsandMaterials磁化设备MagneticEquipment采用便携式磁粗磁化探伤机Portablemagneticyokedetectorshallbeusedfor(hetest.敏捷度试片TestPieceforSensitivity选用CX-230或CX-430薄试片,敏捷度试片用于被检工件表面有效磁场强度和方向、有效检测区以及磁化措施与否对於JH勺测定。磁化电流应能使试片上显示清晰FT、J磁痕。AthintestpieceCX-230orCX-430shallbeusedfordeterminingiftheefficientintensityanddirectionofmagneticfield,theefficientinspectionzoneandthemagnetizationmethodonthepartsurfacesubjecttoinspectionisincompliancewithrequirements.Themagnetizationcurrentshallhavemagneticparticleclearlyindicatedonthetestpiece.磁场指示器IndicatorofMagneticField磁场指示器是一种用于表达被检工件表面磁场方向、有效检测区以及磁化措施与否对的)的一种粗略的校验工具,但不能作为磁场强度及其分布的定量指示。Theindicatorofmagneticfieldisaroughcalibrationtooltodetermineifthedirectionofmagneticfield,theefficientinspectionzoneandthemagnetizationmethodiscorrect,butshallnotbereferredtoasaquantitativeindicatoroftheintensityandthedistributionofmagneticfield.3.9 敏捷度试片的使用3.10 UsageofTestPieceforSensitivity将薄试片无人工缺陷的面朝外,使试片与被检面接触良好,可用透明胶带将其整体贴在被检面上,但人工缺陷处不得贴覆。试验时边磁化边洒磁悬液,以人工缺陷清晰显示来确定磁化规范。Onesideofthetestpiecewithoutartificialdefectsshallfaceoutwardandtheothersideshallhavefullcontactwiththesurfacesubjecttoinspection,whichshallbepressedtothesurfacewithascotchtapeexcepttheartificialdefects,ifrequired.Duringthetestthemagnetizationandthesprayingofmagneticsuspendingliquidshallbecarriedoutatthesametime.Asaresult,theindicationsoftheartificialdefectsshalldeterminewhethertheinspectedsurfaceisincompliancewithspecificationsornot.磁场指示器:应在用持续法对工件磁化的同步,将其平放在被检面上,并对其表面施加磁悬液,以与否出现"物形磁痕来鉴定工件磁化合适与否。Indicatorofmagneticfield:Duringthecontinuousmagnetizationoftheparttheindicatorofmagneticfieldshallbeputonthepartsurfacesubjecttoinspectionandappliedwithmagneticsuspendingliquidtoseeifastar-shapemagneticindicationoccurs,whichhelpstojudgewhetherthepartisproperlymagnetizedornot.试片的摆放位置:应将敏捷度试片摆放在有效检测区域边界处。1.ocationofTestPiece:Thetestpieceforsensitivityshallbeputattheedgeoftheefficientinspectionarea.3.11 粉及磁悬液3.12 MagneticParticle&MagneticSuspendingLiquid磁粉:采用敏捷度符合规定的磁粉。MagneticParticle:Magneticparticlewiththesensitivityasrequiredshallbeapplied.磁悬液:般采用水作为分散媒介,新配制H勺磁粉沉淀浓度要合适,并要进行反复试验。MagneticSuspendingLiquid:Withwaterasthedispersingmedium,themagneticparticlesedimentationdensityofthenewlypreparedliquidshallbeincompliancewiththerelatedrequirement,whichshallbetestedforseveraltimes.施加磁悬液:使用磁悬液喷液器或其他有效措施进行喷洒。3.6.3ApplicationofMagneticSuspendingLiquid:Asprayerorotherpracticalsprayingmethod(s)shallbeappliedforthesprayingofmagneticsuspendingliquid.3.13 检表面的准备3.14 PreparationofSurfaceSubjecttoInspection若被检表面凹凸不平,以致也许遮盖缺陷显示时,应进行表面打磨处理。3.72 .Ifthesurfacesubjecttoinspectionisuneventhatmaycoverthedefectindications,thesurfaceshallbepolishedandground.被检工件表面不得有油脂或其他粘附磁粉的物质。Nooil,greaseorotheradhesivesubstancesshallbeallowedonthesurfacesubjecttoinspection.被检工件上的孔隙在检测后难于清除磁粉时,则应在检测前用无害物质堵塞。Holesonthepartsubjecttoinspection,whichmayhavedifficultytoremovetheresidualofthemagneticparticle,shallbepluggedbypropermaterials.若被检面为焊缝,其两侧100mm范围内不得有松散的锈蚀、氯化皮、飞溅、油污或其他阻碍检测的外来物。Fortheweldssubjecttoinspection,thereshallbenolooserust,oxide-scale,spatter,oil,greaseorotherforeignmattersthatmayobstructtheinspectiononthesurfacewithinarangeof100mmatbothsides.3.73 测时机:焊缝口勺磁粉检测应安排在焊接工序完毕之后进行。对于有延迟裂纹倾向的材料,磁粉检测应安排在焊后24小时进行。3.74 TimeforInspection:Themagneticinspectionforweldsshallbecarriedoutafterthewelding.Forthosematerialsthatmayhavepossibledelayedcracks,theinspectionshallbecarriedout24hoursafterthewelding.3.75 用持续磁化措施,在通电磁化Fl勺同步,施加水磁悬液,持续磁化时间为13S。为保证磁化效果至少反复磁化二次,停施磁悬液至少IS后才可停止磁化。交叉磁挽磁化时。不可停止行进磁化,要一边行进一边施加磁悬液。3.76 Forthecontinuousmagnetization,water-blendedmagneticsuspendingliquidshallbeappliedatelectricmagnetization,whichshallbekeptforonetothreeseconds.Toguaranteetheeffects,themagnetizationshallberepeatedforonelimeatleast.Themagnetizationshallnotbestoppedwithinonesecondaftertheapplicationofthemagneticsuspendingliquid,butthealternatingyokemagnetizationshallbeaccompaniedwithapplicationofmagneticsuspendingliquidforthewholetime.3.77 磁化方向3.78 DirectionofMagnetization磁辗磁化,被检工件H勺每一被检区至少进行两次独立的检测,两次检测的磁力线方向应大体互相垂直;Fortheyokemagnetization,twoindependenttestsshallbecarriedoutforeveryinspectionstationofthepartsubjecttoinspection,ofwhichthemagneticlinesshallbeapproximatelyvertical.3.79 磁挽磁化的间距应控制在75200mm范围内,检测的有效区域为两极中心连线两侧各50mm的范围内,磁化区域每次应有15mm重叠;交叉磁物法的有效磁化区域,用敏捷度试片确定;3.80 Thespaceforyokemagnetizationshallbecontrolledwithinarangeof75mmto200mmandtheefficientinspectionareashallbewithinarangeof50mmatbothsidesofthecentralconnectionlinesbetweentwopolarities.Thereisanoverlapof15mmbetweenmagnetizedareasforeverytime.Forthealternatingyokemagnetization,atestpieceforsensitivityshallbeusedtodeterminetheefficientmagneticareas.3.81 磁痕的评估3.82 Magneticindicationassessment除能确认磁痕是由于工件材料局部磁性不均或操作不妥导致的之外,其他一切磁痕显示均作为缺陷磁痕处理。Magneticindicationsexceptthosecausedbylocalnon-uniformmagnetismonthepartsubjecttoinspectionorimproperoperationshallbeclassifiedasmagneticdefectindications.长宽比不小于3的缺陷磁痕,按线性缺陷处理;长宽比不不小于等于3的缺陷磁痕,按圆形缺陷处理。Forthemagneticdefectindicationswitharatiooflengthandwidthexceeding3,theyshallbeclassifiedaslineardefects;otherwisetheyshallbeclassifiedascirculardefects.缺陷磁痕及I长轴方向与工件轴线或焊缝中心线口勺夹角不小于等于30。时,作为横向缺陷处理,其他按纵向缺陷处理。Forthemagneticdefectindicationswithanangleformedbetweenthelongitudinalaxisoftheindicationandtheaxisofthepartorthecentrallineoftheweldequivalentto30°orexceeding30°,theyshallbeclassifiedastransversedefectsotherwiseclassifiedaslongitudinaldefects.两条或两条以上缺陷磁痕在同一直线上且间距不不小于等于2mm时,按一条缺陷处理,其长度为两缺陷长度之和加间距。Iftwoormoremagneticdefectindicationsoccuronthesamelinewithaspacebetweenthemequivalentto2mmorlessthan2mm,theyshallbetreatedasonedefectindication,ofwhichlengthshallbethetotallengthofthedefectindicationsplusthespacebetweenthem.磁粉检测时,磁痕的评估应在可见光下进行,工件被检面处可见光照度应不不不小于100OLx;Forthemagneticparticleinspection,thedeterminationofmagneticindicationsshallbecarriedoutundervisiblelightirradiation,whiletheintensityofilluminationonthesurfacesubjecttoinspectionshallnotbelessthan1000Lx.当识别细小磁痕时可用210倍放大镜进行观测。3.12.62Xto10Xmagnifyingglassshallbeusedfordeterminationofslightmagneticindications.3.83 复验:当出现下列状况之一时,应进行复验:3.84 Re-inspection:Theinspectionshallberepeated,wherethefollowingsoccur:检测结束时,用敏捷度试片验证检测敏捷度不符合规定;Wherethesensitivityprovestobenotincompliancewiththerelatedrequirementsbyatestwithatestpieceatcompletionoftheinspection;发现检测过程中操作措施有误;.2Whereoperationmethod(s)isorarefoundtobenotincompliancewiththerelatedrequirementsduringheinspection;供需双方有争议或认为有其他需要时;Wheredisputesarisebetweenthevenderandthepurchaserorthereareotherrequirements;经返修后的部位。Whererepairworkhasbeenexecuted.3.85 下列缺陷拒收:3.86 Thefollowingdefectsshallb