Designation:A333/A333M−16StandardSpecificationforSeamlessandWeldedSteelPipeforLow-TemperatureServiceandOtherApplicationswithRequiredNotchToughness1ThisstandardisissuedunderthefixeddesignationA333/A333M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecification2coversnominal(average)wallseam-lessandweldedcarbonandalloysteelpipeintendedforuseatlowtemperaturesandinotherapplicationsrequiringnotchtoughness.SeveralgradesofferriticsteelareincludedaslistedinTable1.Someproductsizesmaynotbeavailableunderthisspecificationbecauseheavierwallthicknesseshaveanadverseeffectonimpactproperties.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Theinch-poundunitsshallapplyunlessthe“M”designationofthisspecificationisspecifiedintheorder.NOTE1—ThedimensionlessdesignatorNPS(nominalpipesize)hasbeensubstitutedinthisstandardforsuchtraditionaltermsas“nominaldiameter,”“size,”and“nominalsize.”2.ReferencedDocuments2.1ASTMStandards:3A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA999/A999MSpecificationforGeneralRequirementsforAlloyandStainlessSteelPipeA671SpecificationforElectric-Fusion-WeldedSteelPipeforAtmosphericandLowerTemperaturesE23TestMethodsforNotchedBarImpactTestingofMe-tallicMaterialsE165PracticeforLiquidPenetrantExaminationforGeneralIndustryE709GuideforMagneticParticleTesting2.2ASMEBoilerandPressureVesselCode:4SectionVIIISectionIX3.OrderingInformation3.1Ordersformaterialunderthisspecificationshouldincludethefollowing,asrequired,todescribethematerialadequately:3.1.1Quantity(feet,c...