HB 3456-1984 IT6至IT14级用硬质合金非全形单头带柄光滑塞规(D>80～180)
时间:2024-05-18 22:14:17 来源: 标准资料网 作者：标准资料网 阅读：9920
基本信息
| 标准名称： | IT6至IT14级用硬质合金非全形单头带柄光滑塞规(D>80～180) |
| 中标分类： |
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| 替代情况： | 替代HB 776-1973 HB 777-1973 HB 778-1973 HB 779-1973 HB 780-1973 HB 781-1973 HB 782-1973 HB 783-1973 HB 784-1973 HB 785-1973 HB 786-1973 HB 787-1973 HB 788-1973 HB 789-1973 HB 790-1973 HB 791-1973 HB 798-1974 HB 800-1973 HB 979-1973 HB 980-1973 |
| 发布日期： | 1984-10-01 |
| 实施日期： | 1985-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 11页 |
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【英文标准名称】:ASMESectionVIIIDivision2CriteriaandCommentary
【原文标准名称】:美国机械工程师协会第VIII节第2分册标准和评注
【标准号】:ASMEPTB-1-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:评注;气瓶;压力容器
【英文主题词】:Commentary;Gascylinders;Pressurevessels
【摘要】:Part1,paragraph1.2definesthescopeofcoverageforVIII-2.Thetermscopereferstoboththetypeofpressureequipmentbeingconsideredinthedevelopmentoftheserules,aswellasthegeometricscopeofthevesselthatisstampedasmeetingVIII-2.InaccordancewithPart1,paragraph1.2.1.1,pressurevesselsaredefinedascontainersforthecontainmentofpressure,internalorexternal.Thispressuremaybeobtainedfromanyexternalsource,orbytheapplicationofheatfromadirectorindirectsource,asaresultofaprocess,oranycombinationthereof.ThemannerinwhichthescopeofthestandardisdescribedfollowsverycloselytotheintroductionsectionofVIII-1.Inthefollowingparagraphs,adiscussionofrequirementsisprovidedonlywhereasignificantdifferenceexistsbetweenVIII-2andthescopedefinitionfromVIII-1,orwhereamajorchangewasmadefromOldVIII-2.Withregardtopressurevesselsinstalledinnon-stationaryapplications,Part1,paragraph1.2.1.2.bnowpermitsstampingofVIII-2vesselsinstalledonmotorvehiclesandrailwaycars.ThisparticularapplicationwasprohibitedintheOldVIII-2.ConstructionandstampingofVIII-2vesselsinnonstationaryapplicationsrequiresapriorwrittenagreementwiththelocaljurisdictionalauthoritycoveringoperationandmaintenancecontrolforaspecificservice.ThisoperationandmaintenancecontrolmustberetainedduringtheusefullifeofthepressurevesselbytheuserinconformancewiththeUsersDesignSpecification.Part1,paragraph1.2.1.2.e.3definespressurevesselsinwhichsteamisgeneratedbutwhicharenotclassifiedasUnfiredSteamBoilersthatrequireconstructioninaccordancewiththerulesofSectionIorVIII-1.AthirdcategoryforavesselthatgeneratessteamthatmaybeconstructedtoVIII-2wasadded:vesselsinwhichsteamisgeneratedbutnotwithdrawnforexternaluse.OnesignificantdifferencebetweenVIII-2andtheOldVIII-2isspecialservicevesselssuchasthoseinlethalservice.InOldVIII-2,paragraphAG-301.1(c),theuserand/orhisdesignatedagenthadtodefineintheUDSifavesselwasintendedforlethalservice.Iflethalservicewasspecified,thenadditionaltechnicalrequirements(e.g.enhancedNDE,restrictionsonmaterial,etc.)wereimposedonthisvessel.InVIII-2,additionalrequirementsarenotspecifiedforlethalserviceoranyotherspecialservicecondition.Therationalebehindthischangeisthattheuserand/orhisdesignatedagentareresponsibletodescribeintheUDS(seePart2,paragraph2.2.2),theintendedoperationofthevessel,andifavesselisintendedforaservicethatisdangeroustolifeandproperty,thentheusershouldspecifyanyadditionalrequirementstomitigatetherisks.JustasithasbeentheruleinASMEthatitsstandardswouldnotdefinewhenavesselisinlethalservice,whatadditionalrequirementswouldbeappropriateforanygivenvesselarebestdefinedbytheuser,andnotbytheCommittee.
【中国标准分类号】:J98
【国际标准分类号】:23_020_30
【页数】:382P;A4
【正文语种】:英语
Product Code:SAE AMS5353
Title:Steel Castings, Investment, Corrosion Resistant 16Cr - 1.8Ni - 0.08N, As Cast
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion-resistant steel in the form of investment castings.