Designation:E1025−18StandardPracticeforDesign,Manufacture,andMaterialGroupingClassificationofHole-TypeImageQualityIndicators(IQI)UsedforRadiography1ThisstandardisissuedunderthefixeddesignationE1025;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispractice2coversthedesign,materialgroupingclassification,andmanufactureofhole-typeimagequalityindicators(IQI)usedtoindicatethequalityofradiologicimages.1.2ThispracticeisapplicabletoX-rayandgamma-rayradiology.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3B139/B139MSpecificationforPhosphorBronzeRod,Bar,andShapesB150/B150MSpecificationforAluminumBronzeRod,Bar,andShapesB164SpecificationforNickel-CopperAlloyRod,Bar,andWireB166SpecificationforNickel-Chromium-IronAlloys(UNSN06600,N06601,N06603,N06690,N06693,N06025,N06045,andN06696),Nickel-Chromium-Cobalt-MolybdenumAlloy(UNSN06617),andNickel-Iron-Chromium-TungstenAlloy(UNSN06674)Rod,Bar,andWireE746PracticeforDeterminingRelativeImageQualityRe-sponseofIndustrialRadiographicImagingSystemsE747PracticeforDesign,ManufactureandMaterialGroup-ingClassificationofWireImageQualityIndicators(IQI)UsedforRadiologyE1735TestMethodforDeterminingRelativeImageQualityofIndustrialRadiographicFilmE...
