Designation:A530/A530M−12StandardSpecificationforGeneralRequirementsforSpecializedCarbonandAlloySteelPipe1ThisstandardisissuedunderthefixeddesignationA530/A530M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2coversagroupofrequirementswhich,withtheexceptionsofSection6.3,Section14,Section21,andSection22,aremandatoryrequirementstotheASTMpipeproductspecificationsnotedbelowunlesstheproductspecificationspecifiesdifferentrequirements,inwhichcasetherequirementoftheproductspecificationshallprevail.1.2Sections6.3or21aremandatoryiftheproductspeci-ficationhasarequirementforproductanalysisorflatteningtests.1.3Section22ismandatoryiftheproductspecificationhasahydrostatictestrequirementwithoutdefiningthetestparam-eters.1.4Section14isforinformationonly.1.5Incaseofconflictbetweenarequirementoftheproductspecificationandarequirementofthisgeneralrequirementspecification,onlytherequirementoftheproductspecificationneedbesatisfied.TitleofSpecificationASTMDesignationASeamlessCarbonSteelPipeforHigh-TemperatureServiceA106/A106MMetal-Arc-WeldedSteelPipeforUseWithHigh-PressureTransmissionSystemsA381SeamlessCarbonSteelPipeforAtmosphericandLowerTemperaturesA524CentrifugallyCastCarbonSteelPipeforHigh-TemperatureServiceA660Electric-Fusion-WeldedSteelPipeforAtmosphericandLowerTemperaturesA671/A671MElectric-Fusion-WeldedSteelPipeforHigh-PressureServiceatModerateTemperaturesA672/A672MCarbonandAlloySteelPipe,Electric-Fusion-WeldedforHigh-PressureServiceatHighTemperaturesA691/A691MAThesedesignationsrefertothelatestissueoftherespectivespecifications.1.6Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsy...