Designation:D5065−17(Reapproved2021)StandardGuideforAssessingtheConditionofAgedCoatingsonSteelSurfaces1ThisstandardisissuedunderthefixeddesignationD5065;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribesgeneralproceduresforconductingadetailedassessmentoftheconditionofagedcoatingsonsteelstructuresandtheextentofrustbreakthroughofthecoatedsurface.Additionalassessmentmayberequiredtosupportcoatingfailureanalysesorotherjob-specificneeds.1.2Thisguidedoesnotaddressdeterminingthestructuralconditionofasteelsubstrate.Itprovidesprocedurestodeterminethepercentofthesurfacerusted,butnottheseverity,condition,orcauseofsuchrusting.NOTE1—Amorecomprehensiveconditionassessmentprocedure,PracticeF1130,hasbeendevelopedfordeterminingtheconditionofcoatingsonaship.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D610PracticeforEvaluatingDegreeofRustingonPaintedSteelSurfacesD660TestMethodforEvaluatingDegreeofCheckingofExteriorPaintsD714TestMethodforEvaluatingDegreeofBlisteringofPaintsD3359TestMethodsforRatingAdhesionbyTapeTestD4214TestMethodsforEvaluatingtheDegreeofChalkingofExteriorPaintFilmsD4541TestMethodforPull-OffStrengthofCoatingsUsingPortableAdhesionTestersD5702PracticeforFieldSamplingofCoatingFilmsforAnalysisforHeavyMetalsD6206P...