Designation:G198−11StandardTestMethodforDeterminingtheRelativeCorrosionPerformanceofDrivenFastenersinContactwithTreatedWood1ThisstandardisissuedunderthefixeddesignationG198;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversandfocusesonthecorrosionresistanceofmetal,metal-coated,andnonmetallic-coatedsmoothanddeformedshankdrivenfastenersincontactwithtreatedwoodinexteriororhighmoistureexposureapplicationsusingcomparativetestswithcontrolfastenerspecimensofstandardizedbenchmarks.Thistestmethodmaybeusedforpreservative-treatedwood.1.2Thistestmethoddescribestheapparatus,procedure,andconditionsrequiredtomaintaintestenvironmentsfortheCyclicFogTestandtheSteadyStateMoistureTest.1.3Thistestmethoddescribesthetypesoftestsamples,listsexposureperiods,andgivesguidanceoninterpretationofresults.1.4Untilexperienceisgainedcomparinglaboratory-to-laboratoryresultswiththistestmethod,comparisonsoffas-teners,coatings,materials,orpreservativesshallbemadeonlywithintheresultsofthesametest.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A90/A90MTestMethodforWeight[Mass]ofCoatingonIronandSteelArticleswithZincorZinc-AlloyCoatingsA153/A153MSpecificationforZincCoating(Hot-Dip)onIronandSteelHardwareB117PracticeforOperatingSaltSpray(Fog)ApparatusB487TestMethodforMeasurementofMetalandOxideCoatingThicknessbyMicroscopicalExaminationofCrossSectionB499TestMethodforMeasurementofCoatingThicknessesbytheMagneticMethod:NonmagneticCoatingsonMagneticBasis...
