Designation:A1004/A1004M−99(Reapproved2014)StandardPracticeforEstablishingConformancetotheMinimumExpectedCorrosionCharacteristicsofMetallic,Painted-Metallic,andNonmetallic-CoatedSteelSheetIntendedforUseasColdFormedFramingMembers1ThisstandardisissuedunderthefixeddesignationA1004/A1004M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresforestablishingtheacceptabilityofmetallic-coatedsteelsheet,paintedmetallic-coatedsteelsheetandpaintednonmetallic-coatedsteelsheetforuseascoldformedframingmembers.1.2Thispracticeshallbeusedtoassessthecorrosionresistanceofdifferentcoatingsonsteelsheetinalaboratorytest.Itshallnotbeusedasanapplicationperformancestandardforthecoldformedframingmembers.1.3ThepracticeshallbeusedtoevaluatecoatingsunderconsiderationforadditiontoSpecificationA1003/A1003M.1.4Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedinde-pendentlyoftheother.1.5Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthestandard.2.ReferencedDocuments2.1ASTMStandards:2A902TerminologyRelatingtoMetallicCoatedSteelProd-uctsA1003/A1003MSpecificationforSteelSheet,Carbon,Metallic-andNonmetallic-CoatedforCold-FormedFramingMembersB117PracticeforOperatingSaltSpray(Fog)ApparatusD714TestMethodforEvaluatingDegreeofBlisteringofPaintsD1654TestMethodforEvaluationofPaintedorCoatedSpecimensSubjectedtoCorrosiveEnvironments3.Terminology3.1Fordefinitionsoftermsrelatedtometallic-coatedsteelproducts,seeTerminologyA902.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1redrust,n—theoxideformedwh...
