Designation:E1955−04(Reapproved2014)StandardRadiographicExaminationforSoundnessofWeldsinSteelbyComparisontoGradedASTME390ReferenceRadiographs1ThisstandardisissuedunderthefixeddesignationE1955;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisstandardcoversrequirementsforradiographicexaminationforsoundnessofweldsinfabricatedsteelbycomparisontoselectedseveritylevelsofReferenceRadio-graphsE390,VolII.Thebasematerialvariesfromgreaterthan0.25to3in.(6.4–76mm)inclusiveinthickness.VolumeIIisapplicable.Thisstandardisnotsuitableforshipyarduse.NOTE1—ThisstandardwasadoptedtoreplaceMil-Std.1264-Bentitled“RadiographicInspectionForSoundnessofWeldsInSteelByCompari-sonToGradedASTME390ReferenceRadiographs,”dated18January,1989.Thisstandardisintendedtobeusedforthesameapplicationsasthedocumentwhichitreplaced.Usersshouldcarefullyreviewitsrequire-mentswhenconsideringthestandard’susefornewand/ordifferentapplications.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E390ReferenceRadiographsforSteelFusionWeldsE1316TerminologyforNondestructiveExaminations2.2MilitaryStandards:NAS-410CertificationandQualificationofNondestructiveTestPersonnel32.3ASNTStandards:4SNT-TC-1ARecommendedPracticeforPersonnelQualifi-cationandCertificationinNondestructiveTestingANSI/ASNT-CP-189StandardforQualificationandCertifi-cationofNondestructiveTestingPersonnel2.4AmericanWeldingSociety...
