ASTM B428-1993(2004) 矩形和正方形铜和铜合金管扭转角的标准试验方法

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【英文标准名称】:StandardTestMethodforAngleofTwistinRectangularandSquareCopperandCopperAlloyTube
【原文标准名称】:矩形和正方形铜和铜合金管扭转角的标准试验方法
【标准号】:ASTMB428-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B05.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;有色金属;合金;铜;扭转角;管;管;铜合金
【英文主题词】:angle;copper;copperalloy;rectangular;square;tube;twist
【摘要】:Therectangularorsquarecopperalloytubecoveredbythistestmethodmaybeusedinapplicationsinwhichcontroloftwistisimportanttoproperfitinfinalassemblyandtominimizereworktobringthetubeintocompliance.Itisrecognizedthattheamountoftwist,indegrees,perincrementoflengthcanchangeasaresultoftheweightoftheproductanditslengthduringmeasurement.Thistestmethodprovidesaprocedureformeasuringthetwistinsquareandrectangularcopperandcopperalloytubesasameasureofthedeviationfromstraightness.Thistestmethodallowsthepurchaserandsupplierormanufacturertoinspectsquareandrectangularcopperandcopperalloytubewithastandardtechniquethatprovidesacceptabletwistindeliveredtubes.1.1Thistestmethodestablishestherequirementsforthedeterminationoftheangleoftwistinrectangularandsquarecopperandcopperalloytube.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:

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上一篇: JIS H7202-1993 吸氢合金氢化率的测量方法
下一篇: DIN 53109-1993 纸和纸板的试验.用摩擦轮法测定磨耗度

【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part2:Physicallayerspecificationandservicedefinition(IEC61158-2:2010);EnglishversionEN61158-2:2010,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第2部分:物理层规范和服务定义(IEC61158-2-2010);英文版本EN61158-2-2010,仅用于CD-ROM
【标准号】:DINEN61158-2-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-09
【实施或试行日期】:2011-09-01
【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】:
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Dataprocessing;Dataservices;Datatransfer;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;INTERBUS;Interfaces;Interfaces(dataprocessing);Interoperability;Opensystemsinterconnection;OSI;Physicallayers;Processcontrolengineering;Specification;Transmissionmedia
【摘要】:ThispartofIEC61158specifiestherequirementsforfieldbuscomponentparts.Italsospecifiesthemediaandnetworkconfigurationrequirementsnecessarytoensureagreedlevelsofa)dataintegritybeforedata-linklayererrorchecking;b)interoperabilitybetweendevicesatthephysicallayer.Thefieldbusphysicallayerconformstolayer1oftheOSI7-layermodelasdefinedbyISO7498withtheexceptionthat,forsometypes,framedelimitersareinthephysicallayerwhileforothertypestheyareinthedata-linklayer.
【中国标准分类号】:M11
【国际标准分类号】:35_100_10;35_160;35_100_20;35_240_50
【页数】:430P.;A4
【正文语种】:英语

Product Code:SAE AMS3901/2
Title:Yarn, Organic Fiber (Para-Aramid), High Modulus Oy 390 (2689)/23.8 Tensile Strength, 17.5 (121)/950 Tensile Modulus 380 Denier, (420 d tex), 0.6% Finish
Issuing Committee:Ams P Polymeric Materials Committee
Scope: This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.