Designation:E164−13StandardPracticeforContactUltrasonicTestingofWeldments1ThisstandardisissuedunderthefixeddesignationE164;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1ThispracticecoverstechniquesfortheultrasonicA-scanexaminationofspecificweldconfigurationsjoiningwroughtferrousoraluminumalloymaterialstodetectwelddisconti-nuities(seeNote1).Thereflectionmethodusingpulsedwavesisspecified.Manualtechniquesaredescribedemployingcon-tactofthesearchunitthroughacouplantfilmorwatercolumn.1.2Thispracticeutilizesanglebeamsorstraightbeams,orboth,dependinguponthespecificweldconfigurations.Prac-ticesforspecialgeometriessuchasfilletweldsandspotweldsarenotincluded.Thepracticeisintendedtobeusedonthicknessesof0.250to8in.(6.4to203mm).NOTE1—Thispracticeisbasedonexperiencewithferrousandaluminumalloys.Othermetallicmaterialscanbeexaminedusingthispracticeprovidedreferencestandardscanbedevelopedthatdemonstratethattheparticularmaterialandweldcanbesuccessfullypenetratedbyanultrasonicbeam.NOTE2—ForadditionalpertinentinformationseePracticeE317,TerminologyE1316,andPracticeE587.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E317PracticeforEvaluatingPerformanceCharacteristicsofUltrasonicPulse-EchoTestingInstrumentsandSystemswithouttheUseofElectronicMeasurementInstrumentsE543SpecificationforAgen...
