DIN IEC 60273-1993 额定电压1000V以上系统户内、户外支柱绝缘子的特性
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【英文标准名称】:Characteristicsofindoorandoutdoorpostinsulatorsforsystemswithnominalvoltagesgreaterthan1000V(IEC60273:1990);GermanversionHD578S1:1992
【原文标准名称】:额定电压1000V以上系统户内、户外支柱绝缘子的特性
【标准号】:DINIEC60273-1993
【标准状态】:现行
【国别】:德国
【发布日期】:1993-08
【实施或试行日期】:1993-08-01
【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】:内部设备;参数;额定值;陶瓷;交流电流;高电压;系统;绝缘子;绝缘子;支柱绝缘子;玻璃;针式绝缘子;露天;户外电气设备;特性;陶瓷绝缘子;电气工程;材料;室内;架空线;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:K48
【国际标准分类号】:29_080_10
【页数】:38P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforX-RayDeterminationofRetainedAusteniteinSteelwithNearRandomCrystallographicOrientation
【原文标准名称】:近随机结晶定向钢中残留奥氏体的X射线测定标准实施规程
【标准号】:ASTME975-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:E04.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:austenite;crystallographicorientation;ferrite;martensite;retainedaustenite;X-raydiffraction;Austenite(retained);Austeniticsteel;Crystallographiccharacteristics;Ferriticsteel;HSLA(high-strengthlow-alloy)steel;Martensiticsteel;Ran
【摘要】:Significance8212;Retainedaustenitewithanearrandomcrystallographicorientationisfoundinthemicrostructureofheat-treatedlow-alloy,high-strengthsteelsthathavemedium(0.40weight%)orhighercarboncontents.Althoughthepresenceofretainedaustenitemaynotbeevidentinthemicrostructure,andmaynotaffectthebulkmechanicalpropertiessuchashardnessofthesteel,thetransformationofretainedaustenitetomartensiteduringservicecanaffecttheperformanceofthesteel.Use8212;Themeasurementofretainedaustenitecanbeincludedinlow-alloysteeldevelopmentprogramstodetermineitseffectonmechanicalproperties.Retainedaustenitecanbemeasuredonacompanionsampleortestsectionthatisincludedinaheat-treatedlotofsteelaspartofaqualitycontrolpractice.Themeasurementofretainedausteniteinsteelsfromservicecanbeincludedinstudiesofmaterialperformance.1.1Thispracticecoversthedeterminationofretainedaustenitephaseinsteelusingintegratedintensities(areaunderpeakabovebackground)ofX-raydiffractionpeaksusingchromiumKx03B1;ormolybdenumKx03B1;X-radiation.1.2Themethodappliestocarbonandalloysteelswithnearrandomcrystallographicorientationsofbothferriteandaustenitephases.1.3Thispracticeisvalidforretainedaustenitecontentsfrom1%byvolumeandabove.1.4Ifpossible,X-raydiffractionpeakinterferencefromothercrystallinephasessuchascarbidesshouldbeeliminatedfromtheferriteandaustenitepeakintensities.1.5Substantialalloycontentsinsteelcausesomechangeinpeakintensitieswhichhavenotbeenconsideredinthismethod.Applicationofthismethodtosteelswithtotalalloycontentsexceeding15weight%shouldbedonewithcare.Ifnecessary,theuserscancalculatethetheoreticalcorrectionfactorstoaccountforchangesinvolumeoftheunitcellsforausteniteandferriteresultingfromvariationsinchemicalcomposition.1.6Units8212;Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_080_20
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Diagonalpostpresstoolsets
【原文标准名称】:对角导柱冲压机
【标准号】:DIN9819-1981
【标准状态】:现行
【国别】:德国
【发布日期】:1981-12
【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】:压力设备;尺寸;冲压成套工具;夹具;工具
【英文主题词】:presstoolsets;fixtures;tools;dimensions;presstools
【摘要】:Diagonalpostpresstoolsets
【中国标准分类号】:J46
【国际标准分类号】:4570;4530
【页数】:2P;A4
【正文语种】:德语
