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ANSI/ASTM A193/A 193M-2001 高温设备用合金钢和不锈钢螺栓材料规范

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【英文标准名称】:SpecificationforAlloy-SteelandStainlessSteelBoltingMaterialsforHigh-TemperatureService
【原文标准名称】:高温设备用合金钢和不锈钢螺栓材料规范
【标准号】:ANSI/ASTMA193/A193M-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:钢;紧固件
【英文主题词】:fasteners;steels
【摘要】:Thisspecificationcoversalloyandstainlesssteelboltingmaterialforpressurevessels,valves,flanges,andfittingsforhigh-temperatureservice.Thetermboltingmaterialasusedinthisspecificationcoversbars,bolts,screws,studs,studbolts,andwire.Barsandwireshallbehot-wrought.Thematerialmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybecarbidesolutiontreatedorcarbidesolutiontreatedandstrain-hardened.Whenstrainhardenedausteniticsteelisordered,thepurchasershouldtakespecialcaretoensurethatAppendixX1isthoroughlyunderstood.Severalgradesarecovered,includingferriticsteelsandausteniticstainlesssteelsdesignatedB5,B8,andsoforth.Selectionwilldependupondesign,serviceconditions,mechanicalproperties,andhigh-temperaturecharacteristics.Note1&8212;Thecommitteeformulatingthisspecificationhasincludedfifteensteeltypesthathavebeenratherextensivelyusedforthepresentpurpose.Othercompositionswillbeconsideredforinclusionbythecommitteefromtimetotimeastheneedbecomesapparent.Note2&8212;Forgradesofalloy-steelboltingmaterialsuitableforuseatthelowerrangeofhigh-temperatureapplications,referenceshouldbemadetoSpecificationA354.Note3&8212;Forgradesofalloy-steelboltingmaterialsuitableforuseinlow-temperatureapplications,referenceshouldbemadetoSpecificationA320/A320M.NutsforusewiththisboltingmaterialarecoveredinSection13.SupplementaryRequirementsS1throughS10areprovidedforusewhenadditionaltestsorinspectionaredesired.Theseshallapplyonlywhenspecifiedinthepurchaseorder.Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.However,unlesstheorderspecifiestheapplicableMspecificationdesignation(SIunits),thematerialshallbefurnishedtoinch-poundunits.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:H49;J13
【国际标准分类号】:77_080_20;21_060_01
【页数】:
【正文语种】:英语


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【英文标准名称】:Postalservices-Qualityofservice-Measurementoflossandsubstantialdelayinpriorityandfirstclasssinglepiecemailusingasurveyoftestletters
【原文标准名称】:飞行器燃料舱中用作爆炸抑制剂和挡板材料的纤维聚酰胺材料.试验方法
【标准号】:DDCEN/TS14773-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-09
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisdocumentspecifiesmethodsformeasuringtheleveloflossandsubstantialdelay,usingasurveyoftestletters,ofdomesticandcross-borderpriorityandfirstclasssinglepiecelettermail,collected,processedanddistributedbypostalserviceoperators.Itisimpossibleinpracticetodistinguishbetweenitemswhichwillneverarriveanditemswhichhavebeendelayedforaverylongtime.Aminimumperiodisthereforedefinedafterwhichanitemthathasbeensentshallbetreatedasifithasbeenlostorsubstantiallydelayedforthepurposesofmeasurement.Theresultingoverallfigureforlossandsubstantialdelayistobeexpressedasapercentageofthetotalpostedpriorityandfirstclasssinglepiecemail.Thisindicatordoesnotmeasurethepostaloperator’soverallperformanceinawaywhichprovidesdirectcomparisonofpostalserviceoperators,anddoesnotincludeotherserviceperformanceindicatorsotherthanthoserelatedtolossandsubstantialdelay.Accordingtothisdocument,lossandsubstantialdelayisestimatedwithinspecifiedaccuracylimits.Whentheleveloflossisverysmallitmayonlybepossibletoestimateanupperlimitforthelevelofloss.ThisdocumenthasbeendevelopedfromandiscompatiblewiththerequirementsofEN13850forthemeasurementofthetransittimeofend-to-endservicesforsinglepieceprioritymailandfirstclassmail,sothatthesamesurveymaybeusedtomeasurelossandsubstantialdelayandon-timeperformance.Thusitcomprisesasetofrequirementsforthedesignofameasuringsysteminvolvingtheselectionanddistributionoftestletterssentandreceivedbyselectedpanellists,accordingtoaspecificationthatensuresthatthetestlettersampledesignisrepresentativeoftherealmailflows.Thisdocumentrelatestothemeasurementofthesocalled“normal”servicesgiventoprivatepersons/householdsandbusinessesthatpostmailatstreetletterboxes,overthecounteratpostoffices,havepickupsattheirofficesorgivetheirmaildirectlyatpostalserviceoperators’sortingcentres.Fortechnicalreasonsthisdocumentmaynotinallpartsbesuitableforthemeasuringofverysmallvolumesofmailandforoperatorswithlimitedcoverage.Thisdocumentisnotapplicableformeasuringtheleveloflossorsubstantialdelayforlargebulkmailers’servicesandhybridmailwhichrequiredifferentmeasurementsystemsandmethodologies.Thisdocumentincludesspecificationsforthequalitycontrolandauditingofthemeasurementsystemandforthereportingoflossandsubstantialdelayofmail.
【中国标准分类号】:G33
【国际标准分类号】:03_240
【页数】:39P.;A4
【正文语种】:英语


【英文标准名称】:Gas-firedcentralheatingboilers-TypeBboilers,fittedwithatmosphericburnersofnominalheatinputnotexceeding70kW;GermanversionEN297:1994+A1:1994+A2:1996+A3:1996+A4:2004+A5:1998+A6:2003
【原文标准名称】:燃气集中供暖锅炉.装有标称热输入量不超过70kw大气燃烧器的B型锅炉
【标准号】:DINEN297-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J98
【国际标准分类号】:91_140_10
【页数】:162P;A4
【正文语种】:德语