Designation:E1118/E1118M−16StandardPracticeforAcousticEmissionExaminationofReinforcedThermosettingResinPipe(RTRP)1ThisstandardisissuedunderthefixeddesignationE1118/E1118M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversacousticemission(AE)examina-tionormonitoringofreinforcedthermosettingresinpipe(RTRP)todeterminestructuralintegrity.Itisapplicabletolinedorunlinedpipe,fittings,joints,andpipingsystems.1.2Thispracticeisapplicabletopipethatisfabricatedwithfiberglassandcarbonfiberreinforcementswithreinforcingcontentsgreaterthan15%byweight.Thesuitabilityoftheseproceduresmustbedemonstratedbeforetheyareusedforpipingthatisconstructedwithotherreinforcingmaterials.1.3Thispracticeisapplicabletotestsbelowpressuresof35MPaabsolute[5000psia].1.4Thispracticeislimitedtopipeuptoandincluding0.6m[24in.]indiameter.LargerdiameterpipecanbeexaminedwithAE,however,theprocedureisoutsidethescopeofthispractice.1.5Thispracticeappliestoexaminationsofneworin-serviceRTRP.1.6ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Formorespecificsafetyprecautionaryinformationsee8.1.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsE543SpecificationforAgenciesPerformingNondestructiveTestingE650GuideforMountingPiezoelectricAcousticEmissionSensorsE750PracticeforCharacterizingAcousticEmissionInstru-mentat...