ASTM B958-2008 架空导线用超高强度和超高强度A等级锌-5%铝-混合稀土合金钢芯线的标准规范芯
时间:2024-05-24 16:46:37 来源: 标准资料网 作者：标准资料网 阅读：8620
【英文标准名称】:StandardSpecificationforExtra-High-StrengthandUltra-High-StrengthClassAZincx2013;5%Aluminum-MischmetalAlloy-CoatedSteelCoreWireforUseinOverheadElectricalConductors
【原文标准名称】:架空导线用超高强度和超高强度A等级锌-5%铝-混合稀土合金钢芯线的标准规范芯
【标准号】:ASTMB958-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B01.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:coatedsteelwire;extrahighstrengthsteelwire(Grade4);ultrahighstrengthsteelwire(Grade5);MA4;MA5;steelcorewire;steelwire;zinc-5%aluminum-mischmetalalloy-coatedsteelwire
【摘要】:1.1Thisspecificationcoversround,extra-high-strength,andultra-high-strength,ClassAcoatedzincx2013;5%aluminum-mischmetal(Znx2013;5Alx2013;MM)alloy-coated,steelcorewireforuseinOverheadElectricalConductors.1.2Thisspecificationcoverswireofdiameterfrom0.0500to0.1900in.inclusiveor1.27to4.82mminclusive.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H49
【国际标准分类号】:77_140_65
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:Aerospace;cold-rolledsteelsheet;dimensions,masses
【原文标准名称】:航空和航天.冷轧钢板.尺寸.质量
【标准号】:DIN65389-1989
【标准状态】:作废
【国别】:德国
【发布日期】:1989-10
【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】:质量(物质);航空航天运输;航空运输;材料;航天运输;薄板材;钢;尺寸公差;尺寸;公差;冷轧的;形状公差;冷加工;半成品
【英文主题词】:mass;aerospacetransport;sheetmaterials;coldrolled;formtolerances;spacetransport;airtransport;steels;dimensions;semi-finishedproducts;cold-working;materials;tolerances(measurement);dimensional
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:6035
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part6-13:Applicationlayerprotocolspecification-Type13elements(IEC61158-6-13:2007);EnglishversionEN61158-6-13:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第6-13部分:应用层协议规范.13型元件.仅为CD-ROM
【标准号】:DINEN61158-6-13-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;英语;以太网;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;OSI;过程控制工程;协议规范;协议;设备;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Ethernet;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Protocolspecification;Protocols;Services;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType13fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandardspecifiesinteractionsbetweenremoteapplicationsanddefinestheexternallyvisiblebehaviorprovidedbytheType13fieldbusapplicationlayerintermsofa)theformalabstractsyntaxdefiningtheapplicationlayerprotocoldataunitsconveyedbetweencommunicatingapplicationentities;b)thetransfersyntaxdefiningencodingrulesthatareappliedtotheapplicationlayerprotocoldataunits;c)theapplicationcontextstatemachinedefiningtheapplicationservicebehaviorvisiblebetweencommunicatingapplicationentities;d)theapplicationrelationshipstatemachinesdefiningthecommunicationbehaviorvisiblebetweencommunicatingapplicationentities.Thepurposeofthisstandardistodefinetheprotocolprovidedto1)definethewire-representationoftheserviceprimitivesdefinedinIEC61158-5-13,and2)definetheexternallyvisiblebehaviorassociatedwiththeirtransfer.ThisstandardspecifytheprotocoloftheType13fieldbusapplicationlayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIapplicationlayerstructure(ISO/IEC9545).TheprincipalobjectiveofthisstandardistospecifythesyntaxandbehavioroftheapplicationlayerprotocolthatconveystheapplicationlayerservicesdefinedinIEC61158-5-13.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofprotocolsstandardizedinIEC61158-6.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_70;35_160
【页数】:69P.;A4
【正文语种】:德语