【英文标准名称】:Non-destructivetestingofwelds-Ultrasonictestingofweldedjoints
【原文标准名称】:焊接的无损检验.焊接接头的超声波检验
【标准号】:ISO17640-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:焊接接头;熔焊;表面;金属;焊缝;超声检验;超声波学;试验类别;缺陷与故障;调节;分类;材料试验;焊接工程;方法;试验报告;试验;材料;尺寸;定义;无损检验;焊接;描述;金属材料;手工的
【英文主题词】:Adjustment;Classification;Defects;Definitions;Descriptions;Dimensions;Fusionwelding;Manual;Materials;Materialstesting;Metallicmaterials;Metals;Methods;Non-destructivetesting;Surfaces;Testcategories;Testreports;Testing;Ultrasonictesting;Ultrasonics;Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:ThisInternationalStandardspecifiesmethodsformanualultrasonictestingoffusion-weldedjointsinmetallicmaterials,greaterthanorequalto8mmthick,whichexhibitlowultrasonicattenuation(especiallythatduetoscatter).ThisInternationalStandardisprimarilyintendedforfullpenetrationweldedjointswhereboththeweldedandparentmaterialsareferritic.ThisInternationalStandardspecifiesfourtestinglevels(A,B,CandD)(seeClause11),eachcorrespondingtoadifferentprobabilityofdetectionofimperfections.RulesfortheselectionoftestinglevelsA,BandCaregiveninAnnexA.ThisInternationalStandardmaybeusedforassessmentofindications,foracceptancepurposes,byeitherofthefollowingmethods:a)evaluationbasedprimarilyonlengthandechoamplitudeofthesignalindication;b)evaluationbasedoncharacterizationandsizingoftheindicationbyprobemovementmethods.ThetechniquesdescribedinthisInternationalStandardmaybespecified,forexampleinanapplicationstandard,forusewith:—materialsotherthanthosestated,—partial-penetrationwelds,—automatedequipment.Ineachcase,thetechniqueshouldbeverifiedashavingadequatesensitivity.NOTEWherematerial-dependentultrasonicvaluesarespecifiedinthisInternationalStandard,theyarebasedonsteelshavinganultrasonicsoundvelocityof(5920±50)m/sforlongitudinalwaves,and(3255±30)m/sfortransversewaves.Thisistobetakenintoaccountwhentestingmaterialswithadifferentvelocity.
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:26P.;A4
【正文语种】:英语