Designation:E1418−10StandardPracticeforVisiblePenetrantTestingUsingtheWater-WashableProcess1ThisstandardisissuedunderthefixeddesignationE1418;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesproceduresforvisibleliquidpenetrantexaminationutilizingthewater-washableprocess.Itisanondestructivepracticefordetectingdiscontinuitiesthatareopentothesurfacesuchascracks,seams,laps,coldshuts,laminations,isolatedporosity,throughleaksorlackoffusionandisapplicabletoin-process,final,andmaintenanceexami-nation.Thispracticecanbeeffectivelyusedintheexaminationofnonporous,metallicmaterials,bothferrousandnonferrous,andofnonmetallicmaterialssuchasglazedorfullydensifiedceramics,andcertainnonporousplastics,andglass.1.2Thispracticealsoprovidesthefollowingreferences:1.2.1Areferencebywhichvisiblepenetrantexaminationproceduresusingthewater-washableprocesscanbereviewedtoascertaintheirapplicabilityandcompleteness.1.2.2Foruseinthepreparationofprocessspecificationsdealingwiththevisible,water-washableliquidpenetrantex-aminationofmaterialsandparts.Agreementbetweentheuserandthesupplierregardingspecifictechniquesisstronglyrecommended.1.2.3Foruseintheorganizationofthefacilitiesandpersonnelconcernedwiththeliquidpenetrantexamination.1.3Thispracticedoesnotindicateorsuggestcriteriaforevaluationoftheindicationsobtained.Itshouldbenoted,however,thatafterindicationshavebeenproduced,theymustbeinterpretedorclassifiedandthenevaluated.Forthispurposetheremustbeaseparatecode,specification,oraspecificagreementtodefinethetype,size,location,andorientationofindicationsconsideredacceptable,andthoseconsideredunac-ceptable.1.4Thevaluesstatedininch-poundunitsareregardedasstandard.SIunitsgiveninparenthesesareforinformationonly.1.5BasisofApplication—Thereareareasinthispracticethatmayrequ...
