Designation:D2570−10StandardTestMethodforSimulatedServiceCorrosionTestingofEngineCoolants1ThisstandardisissuedunderthefixeddesignationD2570;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodevaluatestheeffectofacirculatingenginecoolantonmetaltestspecimensandautomotivecoolingsystemcomponentsundercontrolled,essentiallyisothermallaboratoryconditions.1.2Thistestmethodspecifiestestmaterial,coolingsystemcomponents,typeofcoolant,andcoolantflowconditionsthatareconsideredtypicalofcurrentautomotiveuse.1.3Thevaluesstatedinfoot-pound-secondunitsaretoberegardedasthestandard.Thevaluesgiveninparentheses(SIunits)areapproximateequivalentsforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection6.2.ReferencedDocuments2.1ASTMStandards:2D1121TestMethodforReserveAlkalinityofEngineCool-antsandAntirustsD1176PracticeforSamplingandPreparingAqueousSolu-tionsofEngineCoolantsorAntirustsforTestingPurposesD1193SpecificationforReagentWaterD1287TestMethodforpHofEngineCoolantsandAntirustsD1384TestMethodforCorrosionTestforEngineCoolantsinGlasswareD2758TestMethodforEngineCoolantsbyEngineDyna-mometerD2847PracticeforTestingEngineCoolantsinCarandLightTruckServiceD3306SpecificationforGlycolBaseEngineCoolantforAutomobileandLight-DutyServiceD4985SpecificationforLowSilicateEthyleneGlycolBaseEngineCoolantforHeavyDutyEnginesRequiringaPre-ChargeofSupplementalCoolantAdditive(SCA)2.2SAEStandard:3SAEJ20eStandardforCoolantSystemHoses2.3ASTMAdjuncts:Coolantreservoir(1drawing)Frameworkfortestequipment(3drawingsandB/M)3.SummaryofTestMetho...