Designation:A727/A727M−14StandardSpecificationforCarbonSteelForgingsforPipingComponentswithInherentNotchToughness1ThisstandardisissuedunderthefixeddesignationA727/A727M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecification2coversforgedcarbonsteelpipingcomponentsintendedprimarilyforserviceinpressurepipingsystemsfrom−20to+650°F[−30to+345°C]whereinherentnotchtoughnessisdesired,butwherenotchtoughnesstestingisnotrequired.Includedareforgedorring-rolledflanges,forgedfittings,andvalvesmadetospecifieddimensions,ortodimensionalstandardssuchastheASMEandAPIspecifica-tionsreferencedinSection2.1.2Thisspecificationislimitedtoforgingswithmaximumfinishedsectionthicknessesnolargerthan2in.[51mm].1.3Itshallbetheresponsibilityofthepurchasertodeter-minewhethermaterialmeetingtherequirementsofthisspeci-ficationissatisfactoryfortheserviceapplication.1.4Supplementaryrequirementsareprovidedforusewhenadditionaltestingorinspectionisdesired.Theseshallapplyonlywhenspecifiedbythepurchaserintheorder.NOTE1—Therearenoprovisionsforimpacttestinginthisspecifica-tion.Whenimpacttestingisrequired,refertoSpecificationA350/A350M.1.5Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.However,unlesstheorderspecifiestheapplicable“M”specificationdesignation(SIunits),themate-rialshallbefurnishedtoinch-poundunits.1.6ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.2.ReferencedDocuments2.1InadditiontothosereferencedocumentslistedinSpecificationA961/A961M,thefollowinglistofstandardsapplytothisspecification.2.2ASTMS...