【英文标准名称】:StandardTestMethodforEvaluatingStress-CorrosionCrackingofStainlessAlloyswithDifferentNickelContentinBoilingAcidifiedSodiumChlorideSolution
【原文标准名称】:沸腾酸化氯化钠溶液中不同镍合量不锈钢合金应力腐蚀裂纹评定的标准试验方法
【标准号】:ASTMG123-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:弯曲样品;玻璃器皿;镍含量;不锈钢;钢;应力;应力腐蚀;试验
【英文主题词】:boilingacidifiedsodiumchloride(NaCl);glassware;histograms;stresscorrosioncracking;U-bendspecimens;UNSN
【摘要】:Thistestmethodisdesignedtocomparealloysandmaybeusedasonemethodofscreeningmaterialspriortoservice.Ingeneral,thistestmethodismoreusefulforstainlesssteelsthantheboilingmagnesiumchloridetestofPracticeG36.Theboilingmagnesiumchloridetestcracksmaterialswiththenickellevelsfoundinrelativelyresistantausteniticandduplexstainlesssteels,thusmakingcomparisonsandevaluationsformanyserviceenvironmentsdifficult.Thistestmethodisintendedtosimulatecrackinginwater,especiallycoolingwatersthatcontainchloride.Itisnotintendedtosimulatecrackingthatoccursathightemperatures(greaterthan200x00B0;Cor390x00B0;F)withchlorideorhydroxide.Note18212;Thedegreeofcrackingresistancefoundinfull-immersiontestsmaynotbeindicativeofthatforsomeserviceconditionscomprisingexposuretothewater-lineorinthevaporphasewherechloridesmayconcentrate.Correlationwithserviceexperienceshouldbeobtainedwhenpossible.Differentchlorideenvironmentsmayrankmaterialsinadifferentorder.Ininterlaboratorytesting,thistestmethodcrackedannealedUNSS30400andS31600butnotmoreresistantmaterials,suchasannealedduplexstainlesssteelsorhighernickelalloys,forexample,UNSN08020(forexample20Cb-34stainless).ThesemoreresistantmaterialsareexpectedtocrackwhenexposedtoPracticeG36asU-bends.MaterialswhichwithstandthissodiumchloridetestforalongerperiodthanUNSS30400orS31600maybecandidatesformoresevereserviceapplications.TherepeatabilityandreproducibilitydatafromSection12andAppendixX1mustbeconsideredpriortouse.Interlaboratoryvariationinresultsmaybeexpectedasoccurswithmanycorrosiontests.Acceptancecriteriaarenotpartofthistestmethodandifneededaretobenegotiatedbytheuserandtheproducer.1.1Thistestmethoddescribesaprocedureforconductingstress-corrosioncrackingtestsinanacidifiedboilingsodiumchloridesolution.Thistestmethodisperformedin25%(bymass)sodiumchlorideacidifiedtopH1.5withphosphoricacid.Thistestmethodisconcernedprimarilywiththetestsolutionandglassware,althoughaspecificstyleofU-bendtestspecimenissuggested.1.2ThistestmethodisdesignedtoprovidebettercorrelationwithchemicalprocessindustryexperienceforstainlesssteelsthanthemoresevereboilingmagnesiumchloridetestofPracticeG36.SomestainlesssteelswhichhaveprovidedsatisfactoryserviceinmanyenvironmentsreadilycrackinPracticeG36,buthavenotcrackedduringinterlaboratorytestingusingthissodiumchloridetestmethod.1.3Thisboilingsodiumchloridetestmethodwasusedinaninterlaboratorytestprogramtoevaluatewroughtstainlesssteels,includingduplex(ferrite-austenite)stainlessandanalloywithuptoabout33%nickel.Itmayalsobeemployedtoevaluatethesetypesofmaterialsinthecastorweldedconditions.1.4Thistestmethoddetectsmajoreffectsofcomposition,heattreatment,microstructure,andstressonthesusceptibilityofmaterialstochloridestress-corrosioncracking.Smalldifferencesbetweensamplessuchasheat-to-heatvariationsofthesamegradearenotlikelytobedetected.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandard......
【中国标准分类号】:H40
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】:
基本信息
| 标准名称： | 高压钠灯泡用镇流器节能产品认证技术要求 |
| 英文名称： | Technical Specifications for Energy Conservation Product Certification for Ballast of high pressure sodium lamp |
| 中标分类： |
电工 >>
电气照明 >>
灯具附件 |
| ICS分类： |
电气工程 >>
电灯及有关装置
|
| 替代情况： | 被CCEC/T 07.1-2005代替 |
| 发布日期： | 2001-04-28 |
| 实施日期： | 2001-05-01 |
| 首发日期： | |
| 作废日期： | 2005-05-01 |
| 出版日期： | |
| 页数： | 7页 |
适用范围
本技术要求规定了高压钠灯泡用镇流器的节能评价值、试验方法和检验规则。本技术要求适用于220V、50Hz交流电源供电，标称功率在70W～1000W的高压钠灯所用独立式电感镇流器和电子镇流器（以下简称高压钠灯镇流器）。
前言
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引用标准
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所属分类： 电工 电气照明 灯具附件 电气工程 电灯及有关装置