ANSI/ASTM A971-2000 平滚轧电工钢卷材边缘锥度和凸面的测量方法
时间:2024-05-25 09:14:40 来源: 标准资料网 作者：标准资料网 阅读：8330
【英文标准名称】:TestMethodforMeasuringEdgeTaperandCrownofFlat-RolledElectricalSteelCoils
【原文标准名称】:平滚轧电工钢卷材边缘锥度和凸面的测量方法
【标准号】:ANSI/ASTMA971-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:扁平轧材;卷毂;测试方法;钢;试验方法;电的
【英文主题词】:testmethods;flatrolledproducts;bobbinhubs;steels;electrical
【摘要】:Thistestmethodprovidesaprocedureformeasuringedgetaperandcrownofflat-rolledelectricalsteelcoilsasproducedatthesteelmill.Thevaluesstatedineithercustomary(cgs-emuandinch-pound)unitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththistestmethod.Thefollowingmaterialspecificationsincluderequirementsforedgetaperorcrown:A677,A677M,A683/A683M,A726,A840,A840M,andA876/A876M.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H46
【国际标准分类号】:77_140_50
【页数】:
【正文语种】:英语
【英文标准名称】:Stationarysourceemissions.ManualmethodofdeterminationofHCI.Absorptionsolutionsanalysisandcalculation
【原文标准名称】:固定源发射.HCI的人工测定法.吸收溶液分析和计算
【标准号】:BSEN1911-3-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-08-15
【实施或试行日期】:1998-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:吸收测量法;离子交换法;燃烧产物;干扰(化学);质量;准确度;氯化物;分光光度法;验证;污染物气体;定量分析;空气污染;氯化氢;空气;固定源辐射;含量测定;电位测量法;气体分析;色谱法;数学计算;化学分析和试验;气体
【英文主题词】:Absorption;Absorptionmethod;Airpurification;Airquality;Analysis;Chemicalanalysisandtesting;Chlorides;Concentration;Emission;Emissionmeasurement;Exhaustgases;Filtration;Hydrochloricacid;Hydrogenchloride;Inorganic;Ion-exchangechromatography;Manual;Mathematicalcalculations;Measuringpoints;Measuringtechniques;Parameters;Photometry(chemicalanalysis);Potentiometricmethods;Stationary;Titrationmethod;Validation;Volatile
【摘要】:ThisEuropeanStandardspecifiesmethodsforanalysisofchloridesresultingfromhydrogenchlorideabsorption,accordingtoEN1911-2,inwastegaseshavingbeensampledandfilteredaccordingtoEN1911-1.Allcompoundswhicharevolatileatthefiltrationtemperatureandproducechlorideionsupondissolutionduringsamplingaremeasuredbythismethod,whichthereforegivesthevolatileinorganicchloridescontentofgasesexpressedasHCl.Inmostcases,thiscorrespondstothehydrogenchloridecontent;anindicativedistinctionbetweenhydrogenchlorideandvolatilechloridesmaybeachieved,usingadditionalchecks.ThisstandardalsospecifiesvalidationcriteriaforthewholeHClmeasurementmethoddescribedinEN1911-1,EN1911-2andEN1911-3,andindicatestheperformancecharacteristicsofthismeasurementmethod.
【中国标准分类号】:Z33
【国际标准分类号】:13_040_40
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforEvaluatingtheOxidativeResistanceofPolyethylene(PE)PipetoChlorinatedWater
【原文标准名称】:评定聚乙烯管(PE)抗氯化水氧化性的标准试验方法
【标准号】:ASTMF2263-2007e1
【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】:F17.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氯化的;评定;聚乙烯;管;抵抗;水
【英文主题词】:chlorineresistance;oxidativeresistance;pipe;polyethylene
【摘要】:1.1Thistestmethoddescribesthegeneralrequirementsforevaluatingthelong-term,chlorinatedwater,oxidativeresistanceofpolyethylene(PE),usedincoldwatersupplyorservicesystemsbyexposuretochlorinatedwater.Thistestmethodoutlinestherequirementsofapressurizedflow-throughtestsystem,typicaltestpressures,test-fluidcharacteristics,failuretype,anddataanalysis.Note1Otherknowndisinfectingsystems(chlorinedioxide,ozone,andchloramine)arecurrentlyusedforprotectionofpotablewater;however,free-chlorineisbyfarthemostcommonsysteminusetoday.Disinfectingsystemsotherthanchlorinehavenotbeenevaluatedbythismethod.1.2Guidelinesandrequirementsfortesttemperatures,testhoopstresses,andothertestcriteriahavebeenestablishedbypriortestingofPEpipe.OtherrelatedsystemcomponentsthattypicallyappearinaPEcoldwatersupplyorservicesystemcanbeevaluatedwiththePEpipe.WhentestingPEpipeandfittingsasasystem,itisrecommendedthattheanticipatedend-usefittingtype(s)andmaterial(s)beincludedinthetestcircuitsinceitisknownthatsomefittingtypesandmaterialscanimpactfailuretimes.Specimensusedshallberepresentativeofthepipingproduct(s)andmaterial(s)underinvestigation.Note2Theproceduresdescribedinthistestmethod(withsomemodificationsoftesttemperaturesorstresses,orboth)havebeenusedtoevaluatepipesmanufacturedfrompolybutylene(PB),crosslinkedpolyethylene(PEX),polypropylene(PP),multilayer(polymer-metalcomposite),copper,andstainlesssteel.1.3ThistestmethodisapplicabletoPEpipeandsystemsusedfortransportofpotablewatercontainingfree-chlorinefordisinfectingpurposes.Theoxidizingpotentialofthetest-fluidspecifiedinthistestmethodexceedsthattypicallyfoundinpotablewatersystemsacrosstheUnitedStates.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonlyandarenotconsideredstandard.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:6P.;A4
【正文语种】: