Designation:A1001−18StandardSpecificationforHigh-StrengthSteelCastingsinHeavySections1ThisstandardisissuedunderthefixeddesignationA1001;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverscastalloysteelsinthenormal-izedandtemperedorquenchedandtemperedcondition,insectionsizesthrough37in.(940mm),suitableforhigh-straingradientconditionssuchasthoseencounteredinhooks,shackles,supportframes,andotherliftingdevices.Theclassesofsteelinthisspecificationareweldableonlywithqualifiedprocedures.1.2Sectionrangeandclassselectionwilldependondesignandserviceconditions.Usersshouldnotethatthisspecificationcontemplatesmechanicalpropertygradients.1.3Thevaluesstatedininch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Inch-poundunitsareapplicableformaterialorderedtothisspecificationandSIunitsformaterialorderedtothisspecifi-cation.1.4If,byagreement,castingsaretobesuppliedinapartiallycompletedcondition,thatis,alloftheprovisionsoftheproductspecificationhavenotbeenfilled,thenthematerialmarking(seeSection15)andcertification(seeSection14)aretoreflecttheextenttowhichtheproductspecificationrequire-mentshavebeenmet.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA609/A609MPracticeforCastings,Ca...
