Designation:A523−96(Reapproved2012)StandardSpecificationforPlainEndSeamlessandElectric-Resistance-WeldedSteelPipeforHigh-PressurePipe-TypeCableCircuits1ThisstandardisissuedunderthefixeddesignationA523;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversseamlessandelectric-resistance-weldedsteelpipeusedasconduitfortheinstallationofhigh-pressurepipe-typeelectricalcablesinNPS4toNPS12,inclusive,withnominal(average)wallthicknesses0.219to0.562in.,dependingonsize.Pipehavingotherdimensions(Note2)maybefurnished,providedsuchpipecomplieswithallotherrequirementsofthisspecification.NOTE1—ThedimensionlessdesignatorNPS(nominalpipesize)hasbeensubstitutedinthisstandardforsuchtraditionaltermsas“nominaldiameter,”“size,”and“nominalsize.”NOTE2—AcomprehensivelistingofstandardizedpipedimensionsiscontainedinANSIB36.10.1.2Pipeorderedunderthisspecificationissuitableforweldingandforformingoperationsinvolvingflaring,belling,andbending.1.3PipeforthispurposeshallbefurnishedinGradeAorGradeBasspecifiedinthepurchaseorder.GradeAismoresuitableforformingoperationsinvolvingbending,flaring,orbellingandthisgradeisnormallypreferred.Thisprovisionisnotintendedtoprohibitthecoldbending,flaring,orbellingofGradeBpipe.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thefollowinghazardcaveatappliestothetestmethodportion,Section20,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A370TestMeth...
