【英文标准名称】:StandardGuideforUseofthePetroleumMeasurementTables
【原文标准名称】:石油测量表使用的标准指南
【标准号】:ASTMD1250-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.02.0A
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:crudeoil;densitycorrection;lubricants;lubricatingoils;PetroleumMeasurementTables;petroleumproducts;volumecorrection;volumecorrectionfactor;API(AmericanPetroleumInstitute);Electricalinsulatingpetroleumproducts;Volumetricmeasureme
【摘要】:TheexpandedlimitsofAPIMPMSChapter11.1x2013;2004/AdjuncttoIP200/04/AdjuncttoASTMD1250x2013;04(ADJD1250CD)aredefinedinamixtureoftermsofcustomaryandmetricunits.Table1showsthedefininglimitsandtheirassociatedunitsinbolditalics.AlsoshowninTable1arethelimitsconvertedtotheirequivalentunits(and,inthecaseofthedensities,otherbasetemperatures).NotethatonlytheprecisionlevelsofthedefiningvaluesshowninTable1arecorrect.Theothervaluesshowingconvertedunitshavebeenroundedtothesignificantdigitsshown;asroundedvalues,theymaynumericallyfalljustoutsideoftheactuallimitsestablishedbythedefiningvalues.Table2providesacross-referencebetweenthehistoricaltabledesignationsandthecorrespondingsectioninAPIMPMSChapter11.1x2013;2004/AdjuncttoIP200/04/AdjuncttoASTMD1250x2013;04(ADJD1250CD).Notethatprocedureparagraphs11.1.6.3(U.S.customaryunits)and11.1.7.3(metricunits)providemethodsforcorrectingon-linedensitymeasurementsfromliveconditionstobaseconditionsandthentocomputeCTPLfactorsforcontinuousvolumecorrectionstobaseconditions.4.4Whenaglasshydrometerisusedtomeasurethedensityofaliquid,specialcorrectionsmustbemadetoaccountforthethermalexpansionoftheglasswhenthetemperatureisdifferentfromthatatwhichthehydrometerwascalibrated.The1980CTLTableshadgeneralizedequationstocorrectglasshydrometerreadings,andthesecorrectionswerepartoftheprintedodd-numberedtables.However,detailedprocedurestocorrectaglasshydrometerreadingarebeyondthescopeofAPIMPMSChapter11.1x2013;2004/AdjuncttoIP200/04/AdjuncttoASTMD1250x2013;04(ADJD1250CD).TheusershouldrefertotheappropriatesectionsofAPIMPMSChapter9orotherappropriatedensity/hydrometerstandardsforguidance.4.5ThesetofcorrelationsgiveninAPIMPMSChapter11.1x2013;2004/AdjuncttoIP200/04/AdjuncttoASTMD1250x2013;04(ADJD1250CD)isintendedforusewithpetroleumfluidscomprisingeithercrudeoils,refinedproducts,orlubricatingoilsthataresingle-phaseliquidsundernormaloperatingconditions.Theliquidclassificationslistedherearetypicaltermsusedintheindustry,butlocalnomenclaturemayvary.Thelistisillustrativeandisnotmeanttobeall-inclusive.4.6CrudeOils8212;AcrudeoilisconsideredtoconformtothecommoditygroupGeneralizedCrudeOilsifitsdensityfallsintherangebetweenapproximatelyx2013;10x00B0;APIto100x00B0;API.CrudeoilsthathavebeenstabilizedfortransportationorstoragepurposesandwhoseAPIgravitiesliewithinthatrangeareconsideredtobepartoftheCrudeOilgroup.Also,aviationjetB(JP-4)isbestrepresentedbytheCrudeOilcorrelation.4.7RefinedProducts8212;ArefinedproductisconsideredtoconformtothecommoditygroupofGeneralizedRefinedProductsifthefluidfallswithinoneoftherefinedproductgroups.Notetheproductdescriptorsaregeneralizations.Thecommercialspecificationrangesofsomeproductsmayplacetheirdensitiespartlywithinanadjacentclass(forexample,alowdensitydieselmaylieinthejetfuelclass).Insuchcases,theproductshoul......