Designation:A857/A857M−07(Reapproved2013)StandardSpecificationforSteelSheetPiling,ColdFormed,LightGage1ThisstandardisissuedunderthefixeddesignationA857/A857M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoverscold-formed,lightgagecarbonsteelsheetpilingofstructuralqualityforuseintheconstruc-tionofshorewalls,trenchshoring,wingwalls,bulkheads,andlikeapplications.1.2Thenominalthicknessofmaterialfurnishedunderthisspecificationshallbe0.25in.[6.4mm]orless.1.3Whenthesheetpilingistobewelded,itispresupposedthataweldingproceduresuitableforthegradeofsteelandintendeduseorservicewillbeused.SeeAppendixX3ofSpecificationA6/A6Mforinformationonweldability.1.4Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedasthestandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedinde-pendentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.2.ReferencedDocuments2.1ASTMStandards:2A6/A6MSpecificationforGeneralRequirementsforRolledStructuralSteelBars,Plates,Shapes,andSheetPilingA1011/A1011MSpecificationforSteel,SheetandStrip,Hot-Rolled,Carbon,Structural,High-StrengthLow-Alloy,High-StrengthLow-AlloywithImprovedFormability,andUltra-HighStrengthA1018/A1018MSpecificationforSteel,SheetandStrip,Heavy-ThicknessCoils,Hot-Rolled,Carbon,Commercial,Drawing,Structural,High-StrengthLow-Alloy,High-StrengthLow-AlloywithImprovedFormability,andUltra-HighStrength3.GeneralRequirementsforDelivery3.1Materialfurnishedunderthisspecificationshallcon-formtotherequirementsofthecurrenteditionofSpecificationA6/A6M,fortheorderedmaterial,unlessaconflictexistsinwhichcasethisspecificationshallprevail...
