【英文标准名称】:Non-destructivetestingofwelds-Ultrasonictesting-Techniques,testinglevels,andassessment(ISO17640:2010);GermanversionENISO17640:2010
【原文标准名称】:焊接的无损检测.超声波检测.技术,检测水平,和评定(ISO17640-2010);德文版本ENISO17640-2010
【标准号】:DINENISO17640-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-04
【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】:Assessment;Classification;Defects;Dimensions;Evaluations;Fusionwelding;Materials;Materialstesting;Metallicmaterials;Metals;Methods;Non-destructivetesting;Surfaces;Testcategories;Testtechniques;Testing;Ultrasonictesting;Ultrasonics;Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:ThisInternationalStandardspecifiestechniquesforthemanualultrasonictestingoffusionweldedjointsinmetallicmaterialsequaltoandabove8mmthickwhichexhibitlowultrasonicattenuationatobjecttemperaturesfrom0°Cto60°C.Itisprimarilyintendedforuseonfullpenetrationweldedjointswhereboththeweldedandparentmaterialandferritic.Wherematerial-dependentultrasonicvaluesarespecifiedinthisInternationalStandard,theyarebasedonsteelshavinganultrasonicsoundvelocityof(5920±50)m/sforlongitudinalwavesand(3255±30)m/sfortransversewaves.ThisInternationalStandardspecifiesfourtestinglevels,eachcorrespondingtoadifferentprobabilityofdetectionofimperfections.GuidanceontheselectionoftestinglevelsA,BandCisgiveninAnnexA.ThisInternationalStandardspecifiesthattherequirementsoftestinglevelD,whichisintendedforspecialapplications,beinaccordancewithgeneralrequirements.TestinglevelDcanonlybeusedwhendefinedbyspecification.Thisincludestestsofmetalsotherthanferriticsteel,testsonpartialpenetrationwelds,testswithautomatedequipment,andtestsatobjecttemperaturesoutsidetherange0℃to60℃.ThisInternationalStandardcanbeusedfortheassessmentofindications,foracceptancepurposes,byeitherofthefollowingtechniques:a)evaluationbasedprimarilyonlengthandechoamplitudeofthesignalindication;b)evaluationbasedoncharacterizationandsizingoftheindicationbyprobemovementtechniques.Thetechniquesusedshallbespecified.
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:33P.;A4
【正文语种】:德语