Designation:D7646−10(Reapproved2019)StandardTestMethodforDeterminationofCoolingCharacteristicsofAqueousPolymerQuenchantsforAluminumAlloysbyCoolingCurveAnalysis1ThisstandardisissuedunderthefixeddesignationD7646;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedescriptionoftheequipmentandtheprocedureforevaluatingquenchingcharacteristicsofaqueouspolymerquenchantsbycoolingratedetermination.1.2Thistestmethodisdesignedtoevaluateaqueouspoly-merquenchantsforaluminumalloysinanon-agitatedsystem.Thereisnocorrelationbetweenthesetestresultsandtheresultsobtainedinagitatedsystems.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D6200TestMethodforDeterminationofCoolingCharac-teristicsofQuenchOilsbyCoolingCurveAnalysisE220TestMethodforCalibrationofThermocouplesByComparisonTechniquesE230SpecificationforTemperature-ElectromotiveForce(emf)TablesforStandardizedThermocouples2.2ISOStandards:3ISO3819LaboratoryGlassware—Beakers2.3JapaneseIndustrialStandards:4JISK2242HeatTreatingOil2.4WolfsonEngineeringGroupSpecification:5LaboratoryTestsforAssessingtheCoolingCurveofIndus-trialQuenchingMedia3.Terminology3.1DefinitionsofTermsSpe...
