ASTM A578/A578M-2007 特殊应用轧制钢板的直射束纵向超声波检验的标准规范

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【英文标准名称】:StandardSpecificationforStraight-BeamUltrasonicExaminationofRolledSteelPlatesforSpecialApplications
【原文标准名称】:特殊应用轧制钢板的直射束纵向超声波检验的标准规范
【标准号】:ASTMA578/A578M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:A01.11
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:nondestructivetesting;pressurecontainingparts;pressurevesselsteels;steelplateforpressurevesselapplications;steelplates;ultrasonicexaminations
【摘要】:1.1.Thisspecificationcoverstheprocedureandacceptancestandardsforstraight-beam,pulse-echo,ultrasonicexaminationofrolledcarbonandalloysteelplates,3/8in.[10mm]inthicknessandover,forspecialapplications.Themethodwilldetectinternaldiscontinuitiesparalleltotherolledsurfaces.Threelevelsofacceptancestandardsareprovided.Supplementaryrequirementsareprovidedforalternativeprocedures.1.2IndividualsperformingexaminationsinaccordancewiththisspecificationshallbequalifiedandcertifiedinaccordancewiththerequirementsofthelatesteditionofASNTSNT-TC-1Aoranequivalentacceptedstandard.Anequivalentstandardisonewhichcoversthequalificationandcertificationofultrasonicnondestructiveexaminationcandidatesandwhichisacceptabletothepurchaser.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_040_20
【页数】:5P.;A4
【正文语种】:英语