Designation:A906/A906M−02(Reapproved2016)StandardSpecificationforGrade80andGrade100AlloySteelChainSlingsforOverheadLifting1ThisstandardisissuedunderthefixeddesignationA906/A906M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstherequirementsandmethodofratingandtestingforalloychainslings.SlingsshallbeassembledusingcomponentsmanufacturedinaccordancewithSpecificationA391/A391MforGrade80chain,SpecificationA973/A973MforGrade100chain,andSpecificationA952/A952Mforothercomponents.Thisspecificationcoversweldedandmechanicallyassembledslings.1.2Thisspecificationdoesnotcoverslingsusedatelevatedtemperatures(above400°F[200°C]),inharmfulorcorrosiveenvironmentalconditionsorforapplicationssuchasnonsym-metricallegsorloading.1.3Thisspecificationisaperformanceandassemblyspeci-fication.Otherstandards,suchasOSHA1910.184,ASMEB30.9,andASMEB30.10,applytotheuseoftheproductsinthisspecification.1.4Thevaluesstatedineitherinch-poundunitsorSIunitsshallberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;thereforeeachsystemshallbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.2.ReferencedDocuments2.1ASTMStandards:2A391/A391MSpecificationforGrade80AlloySteelChainA952/A952MSpecificationforForgedGrade80andGrade100SteelLiftingComponentsandWeldedAttachmentLinksA973/A973MSpecificationforGrade100AlloySteelChain2.2OtherStandards:OSHA1910.1843ASMEB30.9Slings4ASMEB30.10Hooks43.Terminology3.1Definitions:3.1.1chainsling—anassemblyconsistingofalloysteelchainorchainsjoinedtosuitableupperandlowerfittings,accordingtotheprovisionsofthisspecification,forattachingloadstobeliftedbyacraneorliftingmachine.3.1.2couplinglink—alinkfittedtotheendofthechaintoconnecttoanothercomponentofthesling.See...
