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GB 50800-2012 消声室和半消声室技术规范

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基本信息
标准名称:消声室和半消声室技术规范
发布部门:中华人民共和国住房和城乡建设部
发布日期:2012-08-13
实施日期:2013-01-01
首发日期:
作废日期:
出版社:中国计划出版社
出版日期:2013-01-01
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所属分类: 农业 林业 粮食与饲料作物 禾谷类作物与产品
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【英文标准名称】:StandardPracticeforVisiblePenetrantTestingUsingtheWater-WashableProcess
【原文标准名称】:使用可水洗工艺进行可见渗透剂试验的标准实施规程
【标准号】:ASTME1418-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E07.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:nondestructivetesting;visibleliquidpenetranttesting;water-washablemethod;Discontinuities;Engineeringapplications;Liquidpenetration;Metalsandmetallicmaterials;Nondestructiveevaluation(NDE);Nonmetallicmaterials;Nonporousmaterials;P
【摘要】:Liquidpenetrantexaminationmethodsindicatethepresence,location,and,toalimitedextent,thenatureandmagnitudeofthedetecteddiscontinuities.Thispracticeisnormallyusedforproductionexaminationoflargevolumesofpartsorstructures,whereemphasisisonproductivity.Thispracticeoffersawidelatitudeinapplicabilitywhenextensiveandcontrolledconditionsareavailable.1.1Thispracticedescribesproceduresforvisibleliquidpenetrantexaminationutilizingthewater-washableprocess.Itisanondestructivepracticefordetectingdiscontinuitiesthatareopentothesurfacesuchascracks,seams,laps,coldshuts,laminations,isolatedporosity,throughleaksorlackoffusionandisapplicabletoin-process,final,andmaintenanceexamination.Thispracticecanbeeffectivelyusedintheexaminationofnonporous,metallicmaterials,bothferrousandnonferrous,andofnonmetallicmaterialssuchasglazedorfullydensifiedceramics,andcertainnonporousplastics,andglass.1.2Thispracticealsoprovidesthefollowingreferences:1.2.1Areferencebywhichvisiblepenetrantexaminationproceduresusingthewater-washableprocesscanbereviewedtoascertaintheirapplicabilityandcompleteness.1.2.2Foruseinthepreparationofprocessspecificationsdealingwiththevisible,water-washableliquidpenetrantexaminationofmaterialsandparts.Agreementbetweentheuserandthesupplierregardingspecifictechniquesisstronglyrecommended.1.2.3Foruseintheorganizationofthefacilitiesandpersonnelconcernedwiththeliquidpenetrantexamination.1.3Thispracticedoesnotindicateorsuggestcriteriaforevaluationoftheindicationsobtained.Itshouldbenoted,however,thatafterindicationshavebeenproduced,theymustbeinterpretedorclassifiedandthenevaluated.Forthispurposetheremustbeaseparatecode,specification,oraspecificagreementtodefinethetype,size,location,andorientationofindicationsconsideredacceptable,andthoseconsideredunacceptable.1.4Thevaluesstatedininch-poundunitsareregardedasstandard.SIunitsgiveninparenthesesareforinformationonly.1.5BasisofApplication8212;Thereareareasinthispracticethatmayrequireagreementbetweenthecognizantengineeringorganizationandthesupplier,orspecificdirectionfromthecognizantengineeringorganization.Theseareasareidentifiedasfollows:1.5.1Penetranttype,methodandsensitivity,1.5.2Accept/rejectcriteria,1.5.3Personnelqualificationrequirements,1.5.4Gritblasting,1.5.5Etching,1.5.6Indication/discontinuitysizing,1.5.7Totalprocessingtime,and1.5.8Markingofparts.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:19_040
【页数】:6P.;A4
【正文语种】:英语


Product Code:SAE AMS7454
Title:Bolts And Screws, Low-Alloy Steel, Heat Resistant Normalized Andtempered, Roll Threaded 135,000 Psi (Cancelled Jul 2002)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:1. SCOPE:1.1 Type: This specification covers high quality holts and screws made of a low-alloy, heat resistantsteel.1. 2 Application: Primarily for joining parts where high strength up to 900'F (480'C) is reqnired.