Designation:D1683/D1683M−11aStandardTestMethodforFailureinSewnSeamsofWovenApparelFabrics1ThisstandardisissuedunderthefixeddesignationD1683/D1683M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodmeasuresthesewnseamstrengthinwovenfabricsbyapplyingaforceperpendiculartothesewnseams.NOTE1—ThegrabtestprocedureinTestMethodD5034shallbeusedtodetermineanycharacteristicinfabricthatcanaffectthemeasurementofsewnseamstrength.1.1.1Thistestmethodisapplicabletosewnseamsobtainedfromapreviouslysewnarticleorseamssewnwithfabricsamplesusingeitheraspecificseamassembly(seeTable1),orproductionseamassemblies.1.2Thistestmethodisusedwhenabreakingforcetorupture,aminimumelongation,orbotharerequiredtodeterminethesewnseamstrength,seamslippage,orseamintegrityofaparticularfabricforaspecifiedenduse.NOTE2—ThistestmethodisusedinconjunctionwithTestMethodD5034,whichisusedtomeasurebreakingforceandelongationoftextilefabrics.Sewnseamsinwovenfabricscanfailduetorupture,slippage,oranycombinationthereof.Rupturecanbefurthercategorizedasfailureorfabric,orsewingthread,orseamslippage.1.3Thistestmethoddoesnotpredictactualwearperfor-manceofaseam.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D76SpecificationforTensileTes...
