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DIN EN 545-2007 水管用球墨铸铁管、配件、附件及其接头.要求和试验方法

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【英文标准名称】:Ductileironpipes,fittings,accessoriesandtheirjointsforwaterpipelines-Requirementsandtestmethods;GermanversionEN545:2006
【原文标准名称】:水管用球墨铸铁管、配件、附件及其接头.要求和试验方法
【标准号】:DINEN545-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;铸铁管;铸铁;铸铁管道;覆层;定义;尺寸;配件;功能效率;功能可靠性;功能;内部覆层;作标记;机械性能;公称尺寸;管道配件;管道;管;管道工程系统;质量保证;规范(验收);球墨铸铁;表(数据);试验;输水管道;水常规;水常规(实验)
【英文主题词】:Accessories;Castironpipes;Cast-iron;Cast-ironpipe;Cast-ironpipelines;Coatings;Definitions;Dimensions;Fittings;Functionalefficiency;Functionalreliability;Functions;Internalcoatings;Marking;Mechanicalproperties;Nominalsize;Pipefittings;Pipelines;Pipes;Pipeworksystems;Qualityassurance;Specification(approval);Spheroidal-graphitecast-iron;Tables(data);Testing;Waterpipelines;Waterpractice
【摘要】:ThisEuropeanStandardspecifiestherequirementsandassociatedtestmethodsapplicabletoductileironpipes,fittings,accessoriesandtheirjointsfortheconstructionofpipelines:-toconveywater(e.g.potablewater);-withorwithoutpressure;-tobeinstalledbeloworaboveground.Thisstandardisapplicabletopipes,fittingsandaccessorieswhichare:-manufacturedwithsocketed,flangedorspigotends;-normallydeliveredexternallyandinternallycoated;-suitableforfluidtemperaturesbetween0℃and50℃,excludingfrost.Thisstandardcoverspipes,fittingsandaccessoriescastbyanytypeoffoundryprocessormanufacturedbyfabricationofcastcomponents,aswellascorrespondingjoints,inasizerangeextendingfromDN40toDN2000,inclusive.Thisstandardspecifiesrequirementsformaterials,dimensionsandtolerances,mechanicalpropertiesandstandardcoatingsofductileironpipesandfittings.Italsogivesperformancerequirementsforallcomponentsincludingjoints.Jointdesignandgasketshapesareoutsidethescopeofthisstandard.NOTEInthisstandard,allpressuresarerelativepressures,expressedinbars(100kPa=1bar).
【中国标准分类号】:J15
【国际标准分类号】:23_040_10;23_040_40
【页数】:91P.;A4
【正文语种】:德语


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【英文标准名称】:StandardPracticeforUltrasonicSurfaceTestingUsingElectromagneticAcousticTransducer(EMAT)Techniques
【原文标准名称】:用电磁声换能器(EMAT)技术的超声波测试用标准实用规程
【标准号】:ASTME1962-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:electromagneticacoustictransducer;EMAT;flawdetection;NDTofwelds;nondestructivetesting;Rayleigh;surfacewaves;ultrasonicinspection;EMAT(electromagneticacoustictransducer);Flawdetection;Nondestructiveevaluation(NDE);Rayleighw
【摘要】:EMATtechniquesshowbenefitsandadvantagesoverconventionalpiezoelectricultrasonictechniquesinspecialapplicationswhereflexibilityinthetypeofwavemodegenerationisdesired.EMATsarehighlyefficientinthegenerationofsurfacewaves.SinceEMATsarehighlyefficientinthegenerationofsurfacewaves,andsinceacoustictechniquesutilizingsurfacewavesareproveneffectivefordetectingsurfaceandnear-surfacediscontinuities,theyshouldbeconsideredforanyapplicationswhereconventionalpenetranttestingandmagneticparticleNDTtechniquesareeffectivebutundesirable.SinceEMATtechniquesarenon-contacting,theyshouldbeconsideredforultrasonictestingwhereapplicationsinvolveautomation,high-speedinspections,movingobjects,applicationsinremoteorhazardouslocations,applicationstoobjectsatelevatedtemperatures,orobjectswithroughsurfaces.ThepurposeofthispracticeistopromotetheEMATtechniqueoftheultrasonicmethodasaviablealternativetoconventionalPTandMPTmethodsfordetectingthepresenceofsurfaceandnear-surfacematerialdiscontinuities.TheuseofEMATsandtheselectionofappropriateoperatingparameterspresupposeaknowledgeofthegeometryofthecomponent;theprobablelocation,size,orientation,andreflectivityoftheexpectedflaws;theallowablerangeofEMATlift-off;andthelawsofphysicsgoverningthepropagationofultrasonicwaves.ThisprocedurepertainstoaspecificEMATsurfaceinspectionapplication.1.1ThispracticecoversguidelinesforutilizingEMATtechniquesfordetectingmaterialdiscontinuitiesthatareprimarilyopentothesurface(forexample,cracks,seams,laps,coldshuts,laminations,throughleaks,lackoffusion).Thistechniquecanalsobesensitivetoflawsanddiscontinuitiesthatarenotsurface-breaking,providedtheirproximitytothesurfaceislessthanorequaltotheRayleighwavelength.1.2Thispracticecoversproceduresforthenon-contactcouplingofsurfacewavesintoamaterialviaelectromagneticfields.1.3Theproceduresofthispracticeareapplicabletoanymaterialinwhichacousticwavescanbeintroducedelectromagnetically.Thisincludesanymaterialthatiseitherelectricallyconductiveorferromagnetic,orboth.1.4Thispracticeisintendedtoprovideexaminationcapabilitiesforin-process,final,andmaintenanceapplications.1.5Thispracticedoesnotprovidestandardsfortheevaluationofderivedindications.Interpretation,classification,andultimateevaluationofindications,albeitnecessary,arebeyondthescopeofthispractice.Separatespecificationsoragreementwillbenecessarytodefinethetype,size,location,anddirectionofindicationsconsideredacceptableornon-acceptable.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandards.TheSIunitsgiveninparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Plasticsmouldingmaterials;polyvinylchloride(PVC-P)mouldingmaterials;preparationofspecimensanddeterminationoftheirproperties
【原文标准名称】:塑料-模塑材料.含增塑剂的聚氯乙烯(PVC-P)模塑材料.试样的制造和特性的测定
【标准号】:DIN7749T.2-1979
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:
【页数】:
【正文语种】: