DIN VDE 0212 T.52-1991 架空电缆和开关设备用附件.正常情况下载流附件的电接触特性
时间:2024-05-09 10:47:02 来源: 标准资料网 作者：标准资料网 阅读：9070
【英文标准名称】:Fittingsforoverheadlinesandswitchgear;electricalcontactbehaviourofcurrent-carryingfittingsundernormaloperatingconditions
【原文标准名称】:架空电缆和开关设备用附件.正常情况下载流附件的电接触特性
【标准号】:DINVDE0212T.52-1991
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardGuideforCorrosionTestsinHighTemperatureorHighPressureEnvironment,orBoth
【原文标准名称】:高温或高压环境中或高温高压环境中的腐蚀试验
【标准号】:ASTMG111-1997(2006)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:G01.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:腐蚀;金属;材料试验
【英文主题词】:corrosiontests;highpressure;hightemperature
【摘要】:HPandHTHPcorrosiontestsarecommonlyusedtoevaluatethecorrosionperformanceofmetallicmaterialsunderconditionsthatattempttosimulateserviceconditionsthatinvolveHPorHTHPincombinationwithserviceenvironments.ExamplesofserviceenvironmentswhereHPandHTHPcorrosiontestshavebeenutilizedincludechemicalprocessing,petroleumproductionandrefining,foodprocessing,pressurizedcoolingwater,electricpowersystemsandaerospacepropulsion.Fortheapplicationsofcorrosiontestinglistedin5.1,theserviceinvolveshandlingcorrosiveandpotentiallyhazardousmediaunderconditionsofhighpressureorhightemperature,orboth.Thetemperatureandpressureusuallyenterdirectlyintotheseverityofthecorrosionprocess.Consequently,thelaboratoryevaluationofcorrosionseveritycannotbeperformedinconventionallowpressureglasswarewithoutmakingpotentiallyinvalidassumptionsastothepotentialeffectsofhightemperatureandpressureoncorrosionseverity.Therefore,thereisasubstantialneedtoprovidestandardizedmethodsbywhichcorrosiontestingcanbeperformedunderHPandHTHP.Inmanycases,however,thestandardsusedforexposureofspecimensinconventionallowpressureglasswareexperimentscannotbefollowedduetothelimitationsofaccess,volumeandvisibilityarisingfromtheconstructionofhighpressuretestcells.ThisguidereferstoexistingcorrosionstandardsandpracticesasapplicableandthengoesfurtherinareaswherespecificguidelinesforperformingHPandHTHPcorrosiontestingareneeded.1.1Thisguidecoversprocedures,specimens,andequipmentforconductinglaboratorycorrosiontestsonmetallicmaterialsunderconditionsofhighpressure(HP)orthecombinationofhightemperatureandhighpressure(HTHP).Seefordefinitionsofhighpressureandtemperature.1.2TestsconductedunderHPorHTHPbytheirnaturehavespecialrequirements.Thisguideestablishesthebasicconsiderationsthatarenecessarywhentheseconditionsmustbeincorporatedintolaboratorycorrosiontests.1.3Theproceduresandmethodsinthisguideareapplicableforconductingmasslosscorrosion,localizedcorrosion,andelectrochemicaltestsaswellasforuseinenvironmentallyinducedcrackingteststhatneedtobeconductedunderHPorHTHPconditions.1.4Theprimarypurposeforthisguideistopromoteconsistencyofcorrosiontestresults.Furthermore,thisguidewillaidinthecomparisonofcorrosiondatabetweenlaboratoriesortestingorganizationsthatutilizedifferentequipment.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformaitononly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Copper-CladStainlessSteelSheetandStripforBuildingConstruction
【原文标准名称】:建筑结构用包铜不锈钢薄板和带材
【标准号】:ASTMB506-1981
【标准状态】:作废
【国别】:美国
【发布日期】:1981
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:涂覆的;薄板材;有色金属;建筑;配件;带材;钢;铜;结构;不锈的
【英文主题词】:copper;steels;structures;sheetmaterials;construction;fittings;coated;nonferrousmetals;stainless;strips
【摘要】:
【中国标准分类号】:H46
【国际标准分类号】:77_120_30;77_140_50
【页数】:4P;A4
【正文语种】:英语