EJ 357-1989 己种分离膜表面质量(机密)
时间:2024-05-20 09:45:50 来源: 标准资料网 作者:标准资料网 阅读:8661
基本信息
标准名称: | 己种分离膜表面质量(机密) |
中标分类: |
能源、核技术 >>
核材料、核燃料 >>
核材料、核燃料及其分析试验方法 |
发布日期: | |
实施日期: | 1989-03-24 |
首发日期: | |
作废日期: | |
出版日期: | |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 能源 核技术 核材料 核燃料 核材料 核燃料及其分析试验方法
【英文标准名称】:StandardReferenceRadiographsforDuctileIronCastings
【原文标准名称】:球墨铸铁件的标准参考底片
【标准号】:ASTME689-2010
【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】:E07.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:classification;discontinuity;ductileironcastings;gammaray;referenceradiographs;X-ray;Castiron(testing)--referenceradiographs;Discontinuities--metals/alloys;Ductileironcastings;Radiographicexamination;Referenceradiographs
【摘要】:Thecastingprocesshasdemonstratedradiographicsimilaritiesbetweeninternaldiscontinuitiesforductilecastironandcaststeeltotheextentthatthereferenceradiographsforsteelcastingsareapplicable.Theexactapplicationandusageofdiscontinuityclassificationscontainedwithinsteelcastingreferenceradiographsmust,however,giveconsiderationtothedifferencesinmaterialpropertiesbetweencaststeelandductilecastiron.Insomeapplications,referenceradiographsforsteelcastingsmaynotbeentirelyapplicabletoductilecastironmaterialdependentupondesignorotherusagecriteria.Whenemployingsteelcastingreferenceradiographstoevaluateductileironcastings,theapplicableE446,E186,orE280steelcastingwrittenstandardshallalsobeusedforspecificguidanceandevaluationprocedures.Thesereferenceradiographsareintendedasabasisfromwhichmanufacturersandpurchasersmay,bymutualagreement,selectparticulardiscontinuityclassestoserveasstandardsrepresentingminimumlevelsofacceptability.Referenceradiographsrepresentedbythesesteelcastingstandardsmaybeused,asagreeduponinapurchasersupplieragreement,forradiationenergylevels,thicknessesorbothoutsidetherangeofthesestandardswhendeterminedapplicableforthecastingserviceapplication1.1ThisstandardextendstheapplicationofsteelcastingreferenceradiographsE446,E186,andE280toductileironcastingswhendeterminedappropriateforspecificapplications(seeSection4).1.2ThereferenceradiographfilmsareanadjuncttoE446,E186,orE280,andmustbepurchasedseparatelyfromASTMInternational,ifneeded(see2.1).Categoriesandseveritylevelsforeachdiscontinuitytyperepresentedbythesereferenceradiographsaredescribedwithineachapplicablestandardabove.Note18212;ThebasisofapplicationforthesereferenceradiographsrequiresapriorpurchasersupplieragreementofradiographicexaminationattributesandclassificationcriterionasdescribedinSections4,5,and6ofthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J31
【国际标准分类号】:77_080_10
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:Electricalengineering;basicenvironmentaltestingprocedures;generalandguidance;identicalwithIEC68-1:1988
【原文标准名称】:电器技术.基本环境试验规程.第1部分:总则和导则
【标准号】:DINIEC60068T.1-1990
【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】: