NF E04-524-4-1999 技术图纸.表示的一般规则.第24部分:机械工程图纸上的线条

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【英文标准名称】:StandardPracticeforEvaluatingStress-Corrosion-CrackingResistanceofMetalsandAlloysinaBoilingMagnesiumChlorideSolution
【原文标准名称】:评定在沸腾的氯化镁溶液中金属及其合金的抗应力腐蚀断裂
【标准号】:ASTMG36-1994(2006)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:G01.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:溶液;合金;耐腐蚀性;氯化镁;应力腐蚀;金属;腐蚀;磨损;评定
【英文主题词】:acceleratedtest;apparatus;boilingmagnesiumchloride;glassware;nickelcontainingalloy;stainlesssteels;stress-corrosioncracking
【摘要】:Formostapplications,thisenvironmentprovidesanacceleratedmethodofrankingtherelativedegreeofstress-corrosioncrackingsusceptibilityforstainlesssteelsandrelatedalloysinaqueouschloride-containingenvironments.Materialsthatnormallyprovideacceptableresistanceinhotchlorideservicemaycrackinthistest.Thetestmaynotberelevanttostress-corrosioncrackinginpolythionicacidorcausticenvironments.Resistancetostress-corrosioncrackinginboilingmagnesiumchloride(155.0x00B0;C(311.0x00B0;F))should,wherepossible,becorrelatedtoresistanceinserviceforthematerialsofinterest.However,suchcorrelationsmaynotalwaysbepossible.Boilingmagnesiumchloridemayalsocausepittingofmanystainlessalloys.Thisleadstothepossibilityofconfusingstress-corrosionfailureswithmechanicalfailuresinducedbycorrosion-reducednetcrosssections.Thisdangerisparticularlygreatwhensmallcrosssectionsamples,highappliedstresslevels,longexposureperiods,stress-corrosionresistantalloys,oracombinationthereofarebeingused.Carefulexaminationisrecommendedforcorrectdiagnosisofthecauseoffailure.1.1Thispracticedescribesaprocedureforconductingstress-corrosioncrackingtestsinaboilingmagnesiumchloridesolution.Althoughthistestmaybeperformedusingvariousconcentrationsofmagnesiumchloride,thisprocedurecoversatestsolutionheldataconstantboilingtemperatureof155.01.0176;C(311.01.8176;F).TheboilingpointsofaqueousmagnesiumchloridesolutionsatoneatmospherepressureasafunctionofconcentrationareshowngraphicallyinFig.1.Asuggestedtestapparatuscapableofmaintainingsolutionconcentrationandtemperaturewithintheprescribedlimitsforextendedperiodsoftimeisalsodescribedherein.1.2Theboilingmagnesiumchloridetestisapplicabletowrought,cast,andweldedstainlesssteelsandrelatedalloys.Itisamethodfordetectingtheeffectsofcomposition,heattreatment,surfacefinish,microstructure,andstressonthesusceptibilityofthesematerialstochloridestresscorrosioncracking.1.3Thispracticeisconcernedprimarilywiththetestsolution,whichmaybeusedwithavarietyofstresscorrosiontestspecimens,surfacefinishes,andmethodsofapplyingstress.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSectionforspecificsafetyprecautions.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Warninglightsandwarningsignalunitsemittingblueandamberlight
【原文标准名称】:发出蓝色和黄色闪光的警报灯和警报信号设备
【标准号】:DIN14620-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-03
【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】:蓝色;定义;尺寸;电气安全;消防队;消防;消防车;闪光灯;识别灯光;指示灯;检验;使用说明;灯;灯具;作标记;摩托车;操作说明书;道路车辆;旋转灯光;形状;规范(验收);试验;车灯;警告装置;警告灯;黄色
【英文主题词】:
【摘要】:ThestandardappliestowarninglightsandwarningsignalunitsemittingblueandamberlightswhichcanbeusedinstreetvehiclesaccordingtotheGermanTrafficRules(StVZO),52,paragraphs3and4.TheuseofwarninglightsandwarningsignalunitsinvehiclesassumesageneralmakeapprovalforvehiclepartsafterECE65.Forfirebrigadevehiclesonlywarninglightsandwarningsignalunitsemittingbluelightsareallowed.ThisstandardisrecommendedforyellowwarningunitsusedascombinationofwarninglightsemittingyellowlightsinaccordancewiththeGermanTrafficRules(STVZO,52,paragraph4)andanintegrationofadditionalequipment(e.g.integratedlabellingfield).
【中国标准分类号】:A91
【国际标准分类号】:43_040_20
【页数】:20P.;A4
【正文语种】:德语