Designation:A252/A252M−19StandardSpecificationforWeldedandSeamlessSteelPipePiles1ThisstandardisissuedunderthefixeddesignationA252/A252M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversnominal(average)wallsteelpipepilesofcylindricalshapeandappliestopipepilesinwhichthesteelcylinderactsasapermanentload-carryingmember,orasashelltoformcast-in-placeconcretepiles.Pipepilesareproducedasbothweldedandseamlessproducts.1.2Thisspecificationisexpressedinbothinch-poundunitsandSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMspecificationdesignation(SIunits),theinch-poundunitsshallapply.Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromtwosystemsmayresultinnonconfor-mancewiththestandard.1.3Thetextofthisspecificationcontainsnotesandfoot-notesthatprovideexplanatorymaterial.Suchnotesandfootnotes,excludingthoseintablesandfigures,donotcontainanymandatoryrequirements.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section16ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2A3...