ASTM A 249/A 249M-2008 焊接奥氏体钢锅炉、过热器、换热器和冷凝器管用标准规范
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来源:标准资料网
【英文标准名称】:StandardSpecificationforWeldedAusteniticSteelBoiler,Superheater,Heat-Exchanger,andCondenserTubes
【原文标准名称】:焊接奥氏体钢锅炉、过热器、换热器和冷凝器管用标准规范
【标准号】:ASTMA249/A249M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:奥氏体钢;锅炉;冷凝器;热交换器;管道;管;蒸汽冷凝器;蒸汽加热器;钢
【英文主题词】:Austeniticsteels;Boilers;Condensers;Heatexchangers;Pipelines;Pipes;Steamcondensers;Steamheaters;Steels
【摘要】:
【中国标准分类号】:
【国际标准分类号】:23_040_10
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:
【原文标准名称】:硫酸汞
【标准号】:JISK8980-1991
【标准状态】:作废
【国别】:日本
【发布日期】:1991-02-01
【实施或试行日期】:1991-02-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:汞无机化合物;化学试剂;硫酸盐;汞
【英文主题词】:
【摘要】:
【中国标准分类号】:G62
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:Safetyoflaserproducts-Equipmentclassificationandrequirements
【原文标准名称】:激光产品的安全.设备分类和要求
【标准号】:BSEN60825-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:应用规则;分类;分类系统;设计;装置分类;电气工程;设备安全;信息标记;激光设备;激光辐射;激光器;光危害;极限(数学);作标记;道路标记;测量;最低要求;职业安全;生产;辐射;辐射危害;辐射防护;安全;安全工程;安全要求;规范(验收);测试;用户信息
【英文主题词】:Applicationrule;Classification;Classificationsystems;Design;Deviceclassification;Electricalengineering;Equipmentsafety;Informationsigns;Laserequipment;Laserradiation;Lasers;Lighthazards;Limits(mathematics);Marking;Markingofroads;Measurement;Minimumrequirements;Occupationalsafety;Production;Radiation;Radiationhazards;Radiationprotection;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Testing;Userinformation
【摘要】:IEC60825-1isapplicabletosafetyoflaserproductsemittinglaserradiationinthewavelengthrange180nmto1mm.Alaserproductmayconsistofasinglelaserwithorwithoutaseparatepowersupplyormayincorporateoneormorelasersinacomplexoptical,electrical,ormechanicalsystem.Typically,laserproductsareusedfordemonstrationofphysicalandopticalphenomena,materialsprocessing,datareadingandstorage,transmissionanddisplayofinformation,etc.Suchsystemshavefounduseinindustry,business,entertainment,research,education,medicineandconsumerproducts.LaserproductsthataresoldtoothermanufacturersforuseascomponentsofanysystemforsubsequentsalearenotsubjecttoIEC60825-1,sincethefinalproductwillitselfbesubjecttothisstandard.However,ifthelasersystemwithinthelaserproductisoperablewhenremovedfromtheequipment,therequirementsofthisPart1applytotheremovableunit.AnylaserproductisexemptfromallfurtherrequirementsofthisPart1ifclassificationbythemanufacturerofthatproductaccordingtoClauses3,8and9showsthattheemissionleveldoesnotexceedtheAEL(accessibleemissionlimit)ofClass1underallconditionsofoperation,maintenance,serviceandfailure.Inadditiontothehazardsresultingfromlaserradiation,laserequipmentmayalsogiverisetootherhazardssuchasfireandelectricshock.ThisPart1describestheminimumrequirements.CompliancewiththisPart1maynotbesufficienttoachievetherequiredlevelofproductsafety.Laserproductsmustconformtotheapplicableperformanceandtestingrequirementsoftheapplicableproductsafetystandards.WherealasersystemformsapartofequipmentwhichissubjecttoanotherIECproductsafetystandard(e.g.formedicalequipment(IEC60601-2-22),ITequipment(IEC60950),audioandvideoequipment(IEC60065),equipmentforuseinhazardousatmospheres(IEC60079),orelectrictoys(IEC62115)),thisPart1willapplyinaccordancewiththeprovisionsofIECGuide104 F1)forhazardsresultingfromlaserradiation.Ifnoproductsafetystandardisapplicable,thenIEC61010-1applies.Inpreviouseditions,LEDswereincludedinthescopeofIEC60825-1,andtheymaybestillincludedinotherpartsoftheIEC60825series.However,withthedevelopmentoflampsafetystandards,opticalradiationsafetyofLEDsingeneralcanbemoreappropriatelyaddressedbylampsafetystandards.TheremovalofLEDsfromthescopeofthisPart1doesnotprecludeotherstandardsfromincludingLEDswhenevertheyrefertolasers.CIES009maybeappliedtodeterminetheriskgroupclassofanLEDorproductincorporatingoneormoreLEDs.TheMPE(maximumpermissibleexposure)valuesofthisPart1weredevelopedforlaserradiationanddonotapplytocollateralradiation.However,ifaconcernexiststhataccessiblecollateralradiationmightbehazardous,thelaserMPEvaluesmaybeappliedtoconservativelyevaluatethispotentialhazard.TheMPEvaluesarenotapplicabletointentionalhumanexposuretolaserradiationforthepurposeofmedicalorcosmetic/aesthetictreatment.
【中国标准分类号】:L51
【国际标准分类号】:13_280;31_260
【页数】:104P.;A4
【正文语种】:英语
