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【英文标准名称】:StandardTestMethodforDeterminationofLowTemperatureFluidityandAppearanceofHydraulicFluids
【原文标准名称】:液压用液体的低温流动性和表观测定的标准试验方法
【标准号】:ASTMD6351-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.N0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:hydraulicfluid;lowtemperatureappearance;lowtemperaturefluidity;vegetableoil;Appearanceofmaterials;Fluidity;Hydraulicfluids/oils;Low-temperaturetesting--petroleumproducts/applications
【摘要】:Thetemperatureatwhichalubricantremainsfluidandhomogeneousaftersevendaysisanindexofitsabilitytowithstandprolongedexposuretocoldtemperature.Withvegetableoilsandsomesyntheticesters,itisnecessarytodoextendedcoldstoragetesting.Quickcool,short-termtests,suchasTestMethodsD97andD2500,donotadequatelypredictthetendencytosolidifyoverlongertimespansatcoldtemperatures.Thistestmethodisnotintendedtoindicatecoldtemperaturepumpabilityperformance.Aseparateassessmentofviscometricperformanceshouldbemadeinordertoassesscoldflowproperties,whichareimportantinordertoavoidsystemdamageincoldtemperatureapplications.SuitableguidelinesforsuchtestingandtesttemperaturesforvariousviscositygradescanbefoundinPracticeD6080.Nospecifictemperatureofmeasurementisgiveninthistestmethodbecausefluidswithdifferentviscositygradeshavedifferentcoldtemperatureperformanceexpectations.ForguidanceontemperatureselectionrelativetoanintendedlowtemperatureviscositygradeorISOVG,consultPracticeD6080.AsanexampleofusingPracticeD6080D6080,aL22viscositygradewouldbeevaluatedatthelowesttemperatureforthatgrade,namely-22.9x00B0;C.Alternatively,afluidcanbeevaluatedatthelowesttemperatureexpectedforfieldservice.1.1Thistestmethodcoversthefluidityandappearanceofhydraulicfluidsafterstorageatlowtemperature.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exception8212;In6.1.1,thematerialisdesignatedincStasthisisthecommonnameusedforthistypeofoil.1.3WARNINGMercuryhasbeendesignatedbymanyregulatoryagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsitehttp://www.epa.gov/mercury/faq.htmforadditionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontainingproductsintoyourstateorcountrymaybeprohibitedbylaw.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see1.3andSection6.
【中国标准分类号】:E39
【国际标准分类号】:75_120
【页数】:2P.;A4
【正文语种】:英语