Designation:D6079−11StandardTestMethodforEvaluatingLubricityofDieselFuelsbytheHigh-FrequencyReciprocatingRig(HFRR)1ThisstandardisissuedunderthefixeddesignationD6079;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoverstheevaluationofthelubricityofdieselfuelsusingahigh-frequencyreciprocatingrig(HFRR).1.2Thistestmethodisapplicabletomiddledistillatefuels,suchasGradesNo.1-DS15,S500,andS5000,andGradesNo.2-DS15,S500,andS5000dieselfuels,inaccordancewithSpecificationD975;andothersimilarpetroleum-basedfuelswhichcanbeusedindieselengines.Thistestmethodisapplicabletobiodieselblends.B5wasincludedintheroundrobinprogramthatdeterminedtheprecisionstatement.NOTE1—Itisnotknownthatthistestmethodwillpredicttheperformanceofalladditive/fuelcombinations.Additionalworkisunder-waytoestablishthiscorrelationandfuturerevisionsofthistestmethodmaybenecessaryoncethisworkiscomplete.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplicableregulatorylimitationspriortouse.SpecificwarningstatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:2D975SpecificationforDieselFuelOilsD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleumandPetroleumProductsD4306PracticeforAviationFuelSampleContainersforTestsAffectedbyTraceContaminationD6078TestMethodforEvaluatingLubricityofDieselFuelsbytheScuffingLoadBall-on-CylinderLubricityEvalua-tor(SLBOCLE)E18TestMethodsforRockwellHardnessofMetallicMa-terialsE92TestMethodforVickersHardnessofMetallicMaterials(Withdrawn2010)32.2SAE...
