ISO 4960-1999 碳含量大于0.25%的冷轧碳素钢带

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【英文标准名称】:Cold-reducedcarbonsteelstripwithacarboncontentover0,25%
【原文标准名称】:碳含量大于0.25%的冷轧碳素钢带
【标准号】:ISO4960-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:碳素钢;钢;产品;铁;带材;非合金钢;钢产品;带钢;定义;定义
【英文主题词】:Carbonsteels;Definition;Definitions;Iron;Products;Steelproducts;Steelstrips;Steels;Strips;Unalloyedsteels
【摘要】:1ThisInternationalStandardappliestocold-reducedcarbonsteelstripwithacarboncontentover0,25%(mlm)madefromsteelsspecifiedinTable1.Itiscommonlyproducedinthicknessesof6mmandunder,andinwidthsupto600mmexclusive,incoilsandcutlengths.Thestripisorderedintheas-deliveredcondition,asspecifiedin1.4orclause5,andispredominantlyusedforsprings,butalsoforotherhighlystressedpartsofmanydifferenttypes.SteeldesignationsCS55toCS95maybesuppliedinthequenchedandtemperedcondition.2ThisInternationalStandarddoesnotapplytoalloysteelsorstainlesssteels.3Cold-reducedcarbonsteelstripisfurnishedinthefollowingtypes:—fullhard,whereaverystiff,springyproductisproducedtoobtainfullhardnessafterthefinalrolling(itisintendedforflatworknotrequiringtheabilitytowithstandcoldforming);—annealed,whichisintendedforapplicationsrequiringmoderatecoldforming;—quenchedandtempered,whichisintendedgenerallyfortheproductionofsteelspringswheretheappropriatecombinationofstrength,hardness,toughnessandductilitycanbeachieved;—intermediatehardness,whichisintendedforapplicationswherecold-formingisslightorwhereamoderatelystiff,springyproductisneeded.Thecold-reducedcarbonsteelstripqualitiesappropriatetotheparticulargradeshallbe:a)fullhardquality:materialrolledtothefinalthicknesswithaminimumhardnessasshowninTable2;b)annealedquality:annealedtothehardnessortensilestrengthshowninTable3;c)quenchedandtemperedquality:quenchedandtemperedsteelstripforsteeldesignationsofCS55andover,temperedtothepropertiesshowninTable4orTable5;d)intermediatequality:temperrolledtothehardnessrangeshowninTable6byacontrolledamountofcoldrollingafterannealing.4Thematerialshallbeorderedtoeitherhardnessortensilestrengthrequirements,butnottoboth(seeTables2,3,4,5,and6).5Cold-reducedcarbonsteelstripischaracterizedbyclosedimensionaltolerancesandgoodsurfacefinishand,inthecold-rolledandquenchedandtemperedcondition,itispossibletoattainhighvaluesforhardnessandtensilestrength.
【中国标准分类号】:H46
【国际标准分类号】:77_140_50
【页数】:12P;A4
【正文语种】:英语


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【英文标准名称】:Aerospaceseries-Circuitbreakers-Testmethods-Part306:servicelife.
【原文标准名称】:航空航天系列.断路器.试验方法.第306部分:使用寿命
【标准号】:NFL58-405-306-2005
【标准状态】:现行
【国别】:法国
【发布日期】:2005-05-01
【实施或试行日期】:2005-05-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:断路器;航天运输;航空运输;尺寸;开关;试验条件;寿命;试验(质量保证);航空航天运输;电气工程;规范(验收);试验;特性;多语种的
【英文主题词】:
【摘要】:
【中国标准分类号】:V40
【国际标准分类号】:49_060
【页数】:17P;A4
【正文语种】:其他


【英文标准名称】:Reliabilitytesting-Compliancetestsforconstantfailurerateandconstantfailureintensity
【原文标准名称】:可靠性试验.恒定失效率和恒定失效强度的符合性试验
【标准号】:IEC61124-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-03
【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/TC56
【标准类型】:()
【标准水平】:()
【中文主题词】:一致性;控制图;缺陷;电气器具;电气工程;电驱动装置;设备;故障;失效率;检验;数学计算;质量保证;可靠度;可靠性试验;统计方法分析;统计学;试验;失效期间
【英文主题词】:Algorithms;Consistency;Controlcharts;Defects;Electricappliances;Electricalengineering;Electrically-operateddevices;Equipment;Failure;Failurerates;Inspection;Mathematicalcalculations;Period;Qualityassurance;Reliability;Reliabilitytesting;Servicelife;Statisticalmethodsofanalysis;Statistics;Testduration;Testing;Timebetweenfailures
【摘要】:ThisInternationalStandardgivesanumberofoptimizedtestplans,thecorrespondingoperatingcharacteristiccurvesandexpectedtesttimes.Inadditionthealgorithmsfordesigningtestplansusingaspreadsheetprogramarealsogiven,togetherwithguidanceonhowtochoosetestplans.Thisstandardspecifiesprocedurestotestwhetheranobservedvalueof–failurerate,–failureintensity,–meantimetofailure(MTTF),–meanoperatingtimebetweenfailures(MTBF),conformstoagivenrequirement.Itisassumed,exceptwhereotherwisestated,thatduringtheaccumulatedtesttime,thetimestofailureortheoperatingtimesbetweenfailuresareindependentandidenticallyexponentiallydistributed.Thisassumptionimpliesthatthefailurerateorfailureintensityisconstant.Fourtypesoftestplansaredescribedasfollows:–truncatedsequentialtests;–time/failureterminatedtests;–fixedcalendartimeterminatedtestswithoutreplacement;–combinedtestplans.Thisstandarddoesnotcoverguidanceonhowtoplan,perform,analyseandreportatest.ThisinformationcanbefoundinIEC60300-3-5.Thisstandarddoesnotdescribetestconditions.ThisinformationcanbefoundinIEC60605-2andinIEC60605,Parts3-1to3-6.
【中国标准分类号】:L05
【国际标准分类号】:29_020
【页数】:249P.;A4
【正文语种】:英语