Designation:D7577−12(Reapproved2021)StandardTestMethodforDeterminingtheAcceleratedIronCorrosionRatingofDenaturedFuelEthanolandEthanolFuelBlends1ThisstandardisissuedunderthefixeddesignationD7577;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodmeasurestheabilityofinhibitedanduninhibitedEthanolFuelBlendsdefinedbySpecificationD5798andDenaturedFuelEthanoldefinedbySpecificationD4806toresistcorrosionofironshouldwaterbecomemixedwiththefuel,usinganacceleratedlaboratorytestmethod.Corrosionratingsarereportedbasedonavisual,numberedratingscale.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSections7and8.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2A29/A29MSpecificationforGeneralRequirementsforSteelBars,CarbonandAlloy,Hot-WroughtA108SpecificationforSteelBar,CarbonandAlloy,Cold-FinishedD665TestMethodforRust-PreventingCharacteristicsofInhibitedMineralOilinthePresenceofWaterD1193SpecificationforReagentWaterD2699TestMethodforResearchOctaneNumberofSpark-IgnitionEngineFuelD4175TerminologyRelatingtoPetroleumProducts,LiquidFuels,andLubricantsD4806SpecificationforDenaturedFuelEthanolforBlend-ingwithGasolinesforUseasAutomotiveSpark-IgnitionEngineFue...
