DIN EN 14399-10-2009 预压高强度结构螺栓组件.第10部分:系统HRC.螺栓和螺母预校准组件.英文版本DINEN14399-10-2009-07
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【英文标准名称】:High-strengthstructuralboltingassembliesforpreloading-Part10:SystemHRC-Boltandnutassemblieswithcalibratedpreload;EnglishversionofDINEN14399-10:2009-07
【原文标准名称】:预压高强度结构螺栓组件.第10部分:系统HRC.螺栓和螺母预校准组件.英文版本DINEN14399-10-2009-07
【标准号】:DINEN14399-10-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【实施或试行日期】:
【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】:验收规范;附件;合金钢;螺栓连接件;标定的;合格;建筑;定义;交货条件;名称与符号;尺寸规格;外螺纹紧固件;紧固件;功能特性;六角头螺钉;六角螺母;高抗拉;高强度钢;制造;作标记;材料;机械性能;材料的机械性能;螺母;性能试验;物理性能;预压法;预应力的;生产;性能;螺钉(螺栓);规范(验收);钢;强度等级;结构金属加工;钢结构作业;试验设备;螺纹;垫圈;对边宽度;
【英文主题词】:Acceptancespecification;Accessories;Alloysteels;Boltedjoints;Calibrated;Conformity;Construction;Definitions;Deliveryconditions;Designations;Dimensions;External-threadfasteners;Fasteners;Functionalproperties;Hexagonheadscrews;Hexagonnuts;Hightensile;High-tensilesteels;Manufacturing;Marking;Materials;Mechanicalproperties;Mechanicalpropertiesofmaterials;Nuts;Performancetests;Physicalproperties;Preloading;Prestressed;Production;Properties;Screws(bolts);Specification(approval);Steels;Strengthclass;Structuralmetalwork;Structuralsteelwork;Testequipment;Threads;Washers;Widthacrossflats
【摘要】:ThispartofthisEuropeanStandardspecifies,togetherwithEN14399-1,therequirementsforassembliesofhigh-strengthstructuralboltsandnutsofsystemHRCsuitableforpreloadedjoints,withhexagonhead(largewidthsacrossflats)orcuphead,threadsizesM12toM30andpropertyclass10.9/10.BoltandnutassembliesconformingtothispartofthisEuropeanStandardhavebeendesignedtoallowpreloadingofatleast0,7fxAaccordingtoEN1993-1-8:2005(Eurocode3)andtoobtainductilitypredominantlybyplasticelongationofthebolt.Forthispurposethecomponentshavethefollowingcharacteristics:--nutaccordingtoEN14399-3,ornutwithheightm=1d,--threadlengthoftheboltaccordingtoISO888.BoltandnutassembliesconformingtothispartofthisEuropeanStandardincludewasher(s)accordingtoEN14399-6ortoEN14399-5(underthenutonly).NOTEAttentionisdrawntotheimportanceofensuringthattheboltsarecorrectlyusedifasatisfactoryresultistobeobtained.ThetestmethodforsuitabilityforpreloadingisspecifiedinEN14399-2andinClause8.
【中国标准分类号】:J13
【国际标准分类号】:21_060_01
【页数】:23P.;A4
【正文语种】:英语
【英文标准名称】:Medicalelectricalequipment-Part2-28:ParticularrequirementsforbasicsafetyandessentialperformanceofX-raytubeassembliesformedicaldiagnosis
【原文标准名称】:医用电气设备.第2-28部分:医疗诊断用X射线管组件的基本安全和基本性能用特殊要求
【标准号】:IEC60601-2-28-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC62B
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机断层摄影;测定;诊断;诊断设备;电器;医用电气设备;电医学;设备安全;安全系数;检验;医疗设备;医疗放射照相术;医学科学;医疗技术学;生产;辐射学;放射器具(医学);安全;安全工程;安全要求;规范(验收);试验;X射线仪;X射线设备;X射线发生器;X射线技术;X射线管组件;X射线管;X射线
【英文主题词】:Computedtomography;Determinations;Diagnosis;Diagnosticequipment;Electricappliances;Electricalengineering;Electricalmedicalequipment;Electromedicine;Equipmentsafety;Factorofsafety;Inspection;Medicalequipment;Medicalradiography;Medicalsciences;Medicaltechnology;Production;Radiology;Radiologyapparatus(medical);Safety;Safetyengineering;Safetyrequirements;Specification(approval);Testing;X-rayapparatus;X-rayequipment;X-raygenerators;X-raytechnique;X-raytubeassemblies;X-raytubes;X-rays
【摘要】:ThisInternationalStandardappliestotheBASICSAFETYandESSENTIALPERFORMANCEofX-RAYTUBEASSEMBLIESandtocomponentsthereof:–hereafterreferredtoasMEEQUIPMENT;–intendedformedicaldiagnosisandimaging.IfaclauseorsubclauseisspecificallyintendedtobeapplicabletoMEEQUIPMENTonly,ortoMESYSTEMSonly,thetitleandcontentofthatclauseorsubclausewillsayso.Ifthatisnotthecase,theclauseorsubclauseappliesbothtoMEEQUIPMENTandtoMESYSTEMS,asrelevant.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50;11_040_55
【页数】:40P.;A4
【正文语种】:英语
【英文标准名称】:Steel-Determinationofcontentofnonmetallicinclusions-Micrographicmethodusingstandarddiagrams
【原文标准名称】:钢非金属夹杂物含量的测定标准图显微法
【标准号】:ISO4967-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:非金属夹杂物;比较试验;缩微照相;材料规范;含量测定;钢;试验;试验
【英文主题词】:Comparativetests;Contentdetermination;Materialsspecification;Micrographics;Non-metallicinclusions;Steels;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesamicrographicmethodofdeterminingthenonmetallicinclusionsinrolledorforgedsteelproductshavingareductionratioofatleast3usingstandarddiagrams.Thismethodiswidelyusedtoassessthesuitabilityofasteelforagivenuse.However,sinceitisdifficulttoachievereproducibleresultsowingtotheinfluenceofthetestoperator,evenwithalargenumberofspecimens,precautionsshouldbetakenwhenusingthemethod.NOTEForcertaintypesofsteel(e.g.,freecuttingsteels),thestandardizeddiagramsdescribedinthisInternationalStandardmaynotbeapplicable.ThisInternationalStandardalsoprovidesforthedeterminationofnonmetallicinclusionsbyimageanalysistechnologies(seeannexD).
【中国标准分类号】:H24
【国际标准分类号】:77_040_99
【页数】:37P;A4
【正文语种】:英语