【英文标准名称】:StandardPracticeforUltrasonicTestingofMetalPipeandTubing
【原文标准名称】:金属管和管道超声波检测的标准实施规程
【标准号】:ASTME213-2009
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:anglebeam;nondestructiveexamination;pipe;tubing;ultrasonicexamination;Pipingsystems;Steelpipe(nondestructivetesting);Steeltube(nondestructivetesting);Transversediscontinuities;Ultrasonictesting
【摘要】:Thepurposeofthispracticeistooutlineaprocedurefordetectingandlocatingsignificantdiscontinuitiessuchaspits,voids,inclusions,cracks,splits,etc.,bytheultrasonicpulse-reflectionmethod.1.1Thispracticecoversaprocedurefordetectingdiscontinuitiesinmetalpipeandtubingduringavolumetricexaminationusingultrasonicmethods.Specifictechniquesoftheultrasonicmethodtowhichthispracticeappliesincludepulse-reflectiontechniques,bothcontactandnon-contact(forexample,asdescribedinGuideE1774),andanglebeamimmersiontechniques.Artificialreflectorsconsistingoflongitudinal,and,whenspecifiedbytheusingpartyorparties,transversereferencenotchesplacedonthesurfacesofareferencestandardareemployedastheprimarymeansofstandardizingtheultrasonicsystem.1.2Thispracticeisintendedforusewithtubularproductshavingoutsidediametersapproximately1/2in.(12.7mm)andlarger,providedthattheexaminationparameterscomplywithandsatisfytherequirementsofSection12.Theseprocedureshavebeensuccessfulwithsmallersizes.Thesemaybespecifieduponcontractualagreementbetweentheusingparties.Theseproceduresareintendedtoensurethatproperbeamanglesandbeamshapesareusedtoprovidefullvolumecoverageofpipesandtubes,includingthosewithlowratiosofoutsidediameter-to-wallthickness,andtoavoidspurioussignalresponseswhenexaminingsmall-diameter,thin-walltubes.1.3TheprocedureinAnnexA1isapplicabletopipeandtubingusedinnuclearandotherspecialandsafetyapplications.TheprocedureinAnnexA2maybeusedtodeterminethehelicalscanpitch.1.4Thispracticedoesnotestablishacceptancecriteria;theymustbespecifiedbytheusingpartyorparties.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.TheSIequivalentsareinparenthesesandmaybeapproximate.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:23_040_10
【页数】:11P.;A4
【正文语种】:英语


Product Code:SAE AMS3940
Title:Fiberboard, Hard-Pressed, Structural
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers hard-pressed fiberboard in the form of flat panels. This product has been used typically for parts requiring moderate strength, such as panelling and sheathing of shipping containers, but usage is not limited to such applications.