【英文标准名称】:StandardGuideforElectrochemicalNoiseMeasurement
【原文标准名称】:电化学噪声测量标准指南
【标准号】:ASTMG199-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:G01.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosion;corrosionmeasurement;corrosionmonitoring;corrosionrate;currentnoise;electrochemicalmeasurements;electrochemicalnoise;electrochemicalnoisemeasurement;localizedcorrosion;metals;pittingcorrosion;potentialnoise
【摘要】:Useofthisguideisintendedtoprovideinformationonelectrochemicalnoisetomonitorcorrosiononacontinuousbasis.Thisguideisintendedforconductingelectrochemicalnoisemeasurements,bothinthelaboratoryandin-serviceenvironments(36).Thistechniqueisusefulinsystemsinwhichprocessupsetsorotherproblemscancreatecorrosiveconditions.Anearlywarningofcorrosiveattackcanpermitremedialactionbeforesignificantdamageoccurstoprocessequipment(37).Thistechniqueisalsousefulwheninhibitoradditionsareusedtocontrolthecorrosionofequipment.Theindicationofincreasingcorrosionactivitycanbeusedtosignaltheneedforadditionalinhibitor(38).Controlofcorrosioninprocessequipmentrequiresknowledgeoftherateormechanismofattackonanongoingbasis.Thistechniquecanbeusedtoprovidesuchinformationinadigitalformatthatiseasilytransferredtocomputersforanalysis(39).1.1Thisguidecoverstheprocedureforconductingonlinecorrosionmonitoringofmetalsbytheuseoftheelectrochemicalnoisetechnique.Withinthelimitationsdescribed,thistechniquecanbeusedtodetectlocalizedcorrosionactivityandtoestimatecorrosionrateonacontinuousbasiswithoutremovalofthemonitoringprobesfromtheplantorexperimentalcell.1.2Thisguidepresentsbrieflysomegenerallyacceptedmethodsofanalysesthatareusefulintheinterpretationofcorrosiontestresults.1.3Thisguidedoesnotcoverdetailedcalculationsandmethods;ratheritcoversarangeofapproachesthathavefoundapplicationincorrosiontesting.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:77_060
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforAluminumandAluminum-AlloyDrawnSeamlessTubesforCondensersandHeatExchangers[Metric]
【原文标准名称】:冷凝器及热交换器用铝和铝合金拉制无缝管的标准规范(米制)
【标准号】:ASTMB234M-2004
【标准状态】:现行
【国别】:
【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】:B07.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电容器;蒸汽冷凝器;热交换器;冷凝器;铝;管;合金;有色金属;米制的;铝合金
【英文主题词】:aluminumalloy;drawnseamlesstubes;heatexchangers
【摘要】:1.1Thisspecificationcoversaluminum-alloy(Note0)drawnseamlessroundtubeinstraightlengthsdesignatedasshowninthe,foruseinsurfacecondensers,evaporators,andheatexchangers.Note0Throughoutthisspecificationuseofthetermalloyinthegeneralsenseincludesaluminumaswellasaluminumalloy.Note2Fordrawnseamlesstubesusedingeneralapplications,seeSpecificationB210M;forextrudedtubesseeSpecificationB221M;forseamlesspipeseeSpecificationB241/B241M;andforstructuralpipeandtubeseeSpecificationB429.Note3ThisspecificationisthemetriccounterpartofSpecificationB234.1.2AlloyandtemperdesignationsareinaccordancewithANSIH35.1M.TheequivalentUnifiedNumberingSystemalloydesignationsarethoseofprecededby,forexample,A91060foraluminum1060,inaccordancewithPracticeE527.1.3Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,see.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J75;H61
【国际标准分类号】:77_150_10
【页数】:7P.;A4
【正文语种】: