DIN EN 14218-2003 六角法兰面螺母.细牙螺纹
时间:2024-04-30 10:11:48 来源: 标准资料网 作者：标准资料网 阅读：8553
【英文标准名称】:Hexagonnutswithflange-Finepitchthread(ISO10663:1999,modified);GermanversionEN14218:2003
【原文标准名称】:六角法兰面螺母.细牙螺纹
【标准号】:DINEN14218-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-09
【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】:螺纹;机械链接;紧固件;螺母;尺寸;量规;紧配合螺纹;六角螺母;尺寸公差;法兰;名称与符号;米制螺纹;规范;公差(测量);特性
【英文主题词】:Close-fitthreads;Designations;Dimensionaltolerances;Dimensions;Fasteners;Flanges;Gauges;Hexagonnuts;Mechanicallinkages;Metricscrewthreads;Nuts;Properties;Specification;Threads;Tolerances(measur
【摘要】:Thisstandardspecifiesthecharacteristicsforhexagonnutswithflangewithfinepitchthread.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:10P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforReliabilityofGlassCoatingsonGlassedSteelReactionEquipmentbyHighVoltage
【原文标准名称】:用高压法测试钢制反应设备玻璃涂层可靠性的标准试验方法
【标准号】:ASTMC537-1987(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:玻璃;玻璃的;覆层;金属;试验;设备;高电压;钢;可靠度
【英文主题词】:glasscoatedsteelequipment;glasscoating;highvoltagetest;porcelainenamel;reliabilityofcoatings
【摘要】:Thewidespreaduseofglassed-steelequipmentinhighlycorrosivechemicalprocesseshasmadeitnecessarytodetectweakspotsinthecoatingandrepairthembeforecatastrophicfailureoccursinservice.Thistestisintendedtodetectdiscontinuitiesandthinareasinaglasscoatingonmetaltoensurethatthecoatingisdefectfreeandhassufficientthicknesstowithstandtheprescribedserviceconditions.Atestvoltagemaybeselectedatanydesiredvalueupto20000V,thusmakingthetestapplicabletoawiderangeofthicknessrequirements.When,becauseofbubblesordefects,thethicknessofglassatanyspotislessthanenoughtowithstandtheappliedvoltage,apunctureresultswithanaccompanyingindicationofadefect.Remedialactionisthenrequiredtorepairthedefectbeforetheequipmentcanbeusedforcorrosiveservice.(Whensuchdefectsarefoundbeforetheequipmentleavesthemanufacturer’plantanotherapplicationofglasscanusuallybeappliedandfiredtobecomeanintegralpartofthecoating.)1.1Thistestmethodcoversthedeterminationofthereliabilityofglasscoatingonmetalandisintendedforusebymanufacturersofequipmentthatisdesignedtowithstandhighlycorrosiveconditionswhereafailureofthecoatinginservicewouldcauseextremedamagetotheexposedmetal.Itsuseoutsidethemanufacturer'splantisdiscouragedbecauseimproperorindiscriminatetestingcancausepuncturesthataredifficulttorepairwithoutreturningtheequipmenttothemanufacturer'splant.Thistestmethoddetectsnotonlyexistingdiscontinuitiesintheglasscoating,butalsoareaswheretheglassmaybethinenoughtobelikelytoresultinprematurefailureinservice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection.
【中国标准分类号】:A29
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】: