ASTM E709(最新) Standard guide for magnetic particle testing

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1、Designation:E70908StandardGuidefor1MagneticParticleTestingThisstandardisissuedundertheÞxeddesignationE709;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindic

2、atestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.ScopeandorientationofindicationsthatareunacceptableinaspeciÞc1.1Thisguide2

3、describestechniquesforbothdryandwetpartversusthosewhichneednotberemovedbeforepartmagneticparticletesting,anondestructivemethodfordetect-acceptance.Conditionswherereworkorrepairisnotpermittedingcracksandotherdiscontinuitiesatornearthesurfaceinshouldbespe

4、ciÞed.ferromagneticmaterials.Magneticparticletestingmaybe1.4Thisguidedescribestheuseofthefollowingmagneticappliedtorawmaterial,semiÞnishedmaterial(billets,blooms,particlemethodtechniques.castings,andforgings),Þnishedmaterialandwelds,regardless1.4.1Dryma

5、gneticpowder(see8.4),ofheattreatmentorlackthereof.Itisusefulforpreventive1.4.2Wetmagneticparticle(see8.5),maintenancetesting.1.4.3Magneticslurry/paintmagneticparticle(see8.5.7),1.1.1ThisguideisintendedasareferencetoaidintheandpreparationofspeciÞcations/

6、standards,proceduresandtech-1.4.4Polymermagneticparticle(see8.5.8).niques.1.5PersonnelQualificationÑPersonnelperformingexami-1.2ThisguideisalsoareferencethatmaybeusedasnationsinaccordancewiththisguideshouldbequaliÞedandfollows:certiÞedinaccordancewithASN

7、TRecommendedPracticeNo.1.2.1ToestablishameansbywhichmagneticparticleSNT-TC-1A,ANSI/ASNTStandardCP-189,NAS410,orastesting,proceduresrecommendedorrequiredbyindividualspeciÞedinthecontractorpurchaseorder.organizations,canbereviewedtoevaluatetheirapplicabil

8、ity1.6NondestructiveTestingAgencyÑIfanondestructiveandcompleteness.testingagencyasdescribedinPracticeE543isusedto1.2.2Toaidintheorganizationofthefacilitiesandperson-performtheexamination,thenondestructivetestingagencynelconcerned