基本信息
| 标准名称： | 切断刀刀杆 |
| 中标分类： |
机械 >>
金属切削机床 >>
机床辅具与附件 |
| 发布日期： | 1978-05-24 |
| 实施日期： | 1978-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
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前言
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引用标准
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所属分类： 机械 金属切削机床 机床辅具与附件
【英文标准名称】:StandardTestMethodforDistillateFuelStorageStabilityat43176;C(110176;F)
【原文标准名称】:馏分燃料在43°C(110°F)贮存稳定性的标准试验方法
【标准号】:ASTMD4625-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedtest;adherentinsolubles;distillatefuel;filterableinsolubles;prediction;storagestability;Temperaturetests--petroleumproducts;Distillatefuels;Distillation--petroleumproducts;Flashpoint--liquids;Oxidationtesting--petroleumpro
【摘要】:Fueloxidationandotherdegradativereactionsleadingtoformationofsediment(andcolor)aremildlyacceleratedbythetestconditionscomparedwithtypicalstorageconditions.Testresultshavebeenshowntopredictstoragestabilitymorereliablythanothermoreacceleratedtests.SeeAppendixX1forinformationonthecorrelationoftestresultswithactualfieldstorage.Becausethestorageperiodsarelong(4to24weeks),thetestmethodisnotsuitableforqualitycontroltesting,butdoesprovideatoolforresearchonstoragepropertiesoffuels.Becauseenvironmentaleffectsandthematerialsandnatureoftankconstructionaffectstoragestability,theresultsobtainedbythistestarenotnecessarilythesameasthoseobtainedduringstorageinaspecificfieldstoragesituation.1.1Thistestmethodcoversamethodforevaluatingtheinherentstoragestabilityofdistillatefuelshavingflashpointsabove38x00B0;C(100x00B0;F),byTestMethodsD93,and90%distilledpointsbelow340x00B0;C(644x00B0;F),byTestMethodD86.Note18212;ASTMspecificationfuelsfallingwithinthescopeofthistestmethodareSpecificationD396,GradeNos.1and2;SpecificationD975,Grades1-Dand2-D;andSpecificationD2880,Grades1-GTand2-GT.1.2Thistestmethodisnotsuitableforqualitycontroltestingbut,ratheritisintendedforresearchusetoshortenstoragetimerelativetothatrequiredatambientstoragetemperatures.1.3AppendixX1presentsadditionalinformationaboutstoragestabilityandthecorrelationofTestMethodD4625resultswithsedimentformationinactualfieldstorage.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】:英语