ASTM F1852-2007 最小抗张强度为120/105ksi的热处理钢制"拧松式"张力控制结构螺栓/螺母/垫圈组件的标准规范

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【英文标准名称】:StandardSpecificationfor&x201C;TwistOff&x201D;TypeTensionControlStructuralBolt/Nut/WasherAssemblies,Steel,HeatTreated,120/105ksiMinimumTensileStrength
【原文标准名称】:最小抗张强度为120/105ksi的热处理钢制"拧松式"张力控制结构螺栓/螺母/垫圈组件的标准规范
【标准号】:ASTMF1852-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F16.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:螺栓;碳素钢;紧固件;质量要求;钢
【英文主题词】:alternatedesignfasteners;bolts;carbonsteel;fasteners;splineend;structural;tensioncontrolbolt;tensioncontrolboltassembly;twist-offbolt;weatheringsteel;Boltingmaterials;Bolt/nut/washerassembly;Nutsspecifications;Steelboltingmaterialsspecifications;Structuralsteel(SS)boltingmaterialsspecifications;Tensioncontrolstructuralbolt/nut/washerassembly;“Twistoff”typebolt/nut/washerassembly;Washers/washerassembliesspecifications
【摘要】:1.1Thisspecificationcoverstwotypesofheattreated,steel,tensioncontrolbolt-nut-washerassemblies,alsoreferredtoasx201C;sets.x201D;Theseassembliesarecapableofdevelopingaminimumpredeterminedtensionwheninstalledbyapplyingtorquetothenut,whileatthesametimeapplyingacountertorquetoseparatethesplineendfromthebodyoftheboltusinganappropriatesplinedriveinstallationtool.1.2Anassemblyconsistsofatensioncontrolboltwithsplineend(coveredbythisspecification)andasuitablenutandwashercoveredbyreferencetoapplicableASTMspecifications.1.3Thefastenerassembliesareintendedforuseinstructuralconnections.Theseconnections,installationprocedures,andtheuseofalternatedesignstructuralboltsarecoveredundertherequirementsofthex201C;SpecificationforStructuralJointsUsingASTMA325orA490Bolts,x201D;approvedbytheResearchCouncilonStructuralConnection.1.4Theassembliesareavailablewitheitherround(buttonordome)heads,heavyhexstructuralheads,oralternatedesignheadsdescribedinSection10andFig.1,insizesx00BD;to11/8in.inclusive,intwotypesspecifiedinSection4.1.5TermsusedinthisspecificationaredefinedinTerminologyF1789unlessotherwisedefinedherein.1.6Thefollowingprecautionarystatementpertainsonlytothetestmethodportions,Sections13and14,ofthisSpecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:21_060_01;21_060_01
【页数】:8P.;A4
【正文语种】:


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【英文标准名称】:StandardTestMethodforNondestructiveDetectionofLeaksinPackagesbyVacuumDecayMethod
【原文标准名称】:用真空衰变法的包装紧密性无损检验的标准试验方法
【标准号】:ASTMF2338-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:衰变;检漏;非破坏性的;包装件;运输;真空的
【英文主题词】:absolutepressuretransducer;barrierperformance;block;criteriaparameters;differentialpressuretransducer;flexiblepackaging;foodpackages;holeleaks;holes;leaks;mask;medicalpackages;non-destructivetesting;packageintegritymonitoring;packageintegritytest;permeablepackaging;pharmaceuticalpackages;porousbarrier;porousbarriermaterial;porouspackaging;pressurechangeleaktesting;pressuretransducer;sealintegritymonitoring;sealintegritytest;sealleaks;semi-rigidthermoformedtrays;sterileintegritytest;vacuumdecayleaktesting;vacuumleaktesting;volumetricairflowmeter
【摘要】:Leaksinmedicaldevice,pharmaceuticalandfoodpackagesmayresultintheingressofunwantedgases(mostcommonlyoxygen),harmfulmicrobiologicalorparticulatecontaminants.Packageleaksmayappearasimperfectionsinthepackagecomponentsthemselvesoratthesealjuncturebetweenmatedcomponents.Theabilitytodetectleaksisnecessarytoensureconsistencyandintegrityofpackages.Afterinitialset-upandcalibration,theoperationsofindividualtestsmaybesemi-automatic,automaticormanual.Thetestmethodpermitsthenon-destructivedetectionofleaksnotvisiblydetectable.Thetestmethoddoesnotrequiretheintroductionofanyextraneousmaterialsorsubstances,suchasdyesorgases.However,itisimportanttophysicallymaskorblockoffanyporousbarriersurfaceofthepackageduringthetesttopreventarapidlossofchambervacuumresultingprimarilyfromgasmigrationthroughtheporoussurface.Leakdetectionisbasedsolelyontheabilitytodetectthechangeinpressureinsidethetestchamberasaresultofairegressfromtheproperlymaskedpackagewhenchallengedwithvacuumconditions.Thistestisausefulresearchtoolforoptimizationofpackagesealingparametersandforcomparativeevaluationofvariouspackagesandmaterials.Thistestmethodisalsoapplicabletoproductionsettingsasitisrapid,non-invasiveandnon-destructive,makingitusefulforeither100%on-linetestingortoperformtestsonastatisticalsamplingfromtheproductionoperation.Leaktestresultsthatexceedthepermissiblelimitsforthevacuumdecaytestareindicatedbyaudibleorvisualsignalresponses,orboth.1.1TestPackagesPackagesthatcanbenondestructivelyevaluatedbythistestmethodinclude:1.1.1Rigidandsemi-rigidnon-liddedtrays.1.1.2Traysorcupssealedwithporousbarrierliddingmaterial.1.1.3Rigid,nonporouspackages.1.1.4Flexible,nonporouspackages(see1.2.4).1.2LeaksDetected-Thistestmethodiscapableofdetectingpackageleaksusinganabsoluteordifferentialpressuretransducerleakdetector.Thesensitivityofatestisafunctionofthesensitivityofthetransducer,thepackagedesign,thedesignofthepackagetestfixture,andcriticaltestparametersoftimeandpressure.Typesandsizesofleaksthatmaybedetectedforvariouspackagesystems,aswellastestsensitivitiesaredescribedbelow.Thesedataarebasedonprecisionandbiasconfirmationstudies.1.2.1TraysorCups(Non-lidded)-Holeorcrackdefectsinthewallofthetray/cupofatleast50mindiametercanbedetectedataTargetVacuumof4104Pa(400mbar)usinganabsolutepressuretransducertestinstrument.1.2.2TraysSealedwithPorousBarrierLiddingMaterial-Holeorcrackdefectsinthewallofthetray/cupofatleast100mindiametercanbedetected.Channeldefectsinthesealarea(madeusingwiresof125mindiameter)canbedetected.Severesealbondingdefectsinbothcontinuousadhesiveanddotmatrixadhesivepackagesystemscanbedetected.Slightlyincompletedotmatrixadhesivebondingdefectscanalsobedetected.AllporousbarrierliddingmaterialpackagesweretestedataTargetVacuumof4104Pa(400mbar)usinganabsolutepressuretransducertestinstrument.Usingacalibratedvolumetricairflowmeter,thesensitivityofthetestforporousliddedpackagesisshowntobeapproximately10-2Pam3s-1.1.2.3Rigid,NonporousPackages-Holedefectsofatleast5mindiametercanbedetected.Allrigid,nonporouspackagesweretestedatatargetvacuumof5104Pa(500mbar)usingadifferentialpressuretransducertestinstrument.Usingacalibratedvolumetricairflowmeter,thesensitivityofthetestforrigid,nonporouspackagesisshowntobeapproxima......
【中国标准分类号】:A82
【国际标准分类号】:55_180_40;55_180_40
【页数】:9P.;A4
【正文语种】:


基本信息
标准名称:电力工业锅炉压力容器检验规程
英文名称:Inspection code for boiler and pressure vessel of the power industry
中标分类: 能源、核技术 >> 电力 >> 电力安全监察
替代情况:被DL 647-2004代替
发布日期:1998-03-19
实施日期:1998-08-01
首发日期:
作废日期:2004-06-01
出版日期:
页数:79页
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所属分类: 能源 核技术 电力 电力安全监察