Designation:B831−14StandardTestMethodforShearTestingofThinAluminumAlloyProducts1ThisstandardisissuedunderthefixeddesignationB831;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoverssinglesheartestingofthinwroughtandcastaluminumalloyproductstodetermineshearultimatestrengths.ItisintendedforproductsthataretoothintobetestedaccordingtoTestMethodB769.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectonthedateofmaterialpurchase,unlessotherwisenoted,formapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:2B565TestMethodforShearTestingofAluminumandAluminum-AlloyRivetsandCold-HeadingWireandRodsB769TestMethodforShearTestingofAluminumAlloysE4PracticesforForceVerificationofTestingMachinesE6TerminologyRelatingtoMethodsofMechanicalTestingE2208GuideforEvaluatingNon-ContactingOpticalStrainMeasurementSystems3.Terminology3.1Definitions—ThedefinitionsoftermsrelatingtosheartestinginTerminologyE6areapplicabletothetermsusedinthistestmethod.4.SummaryofTestMethod4.1Thistestmethodconsistsofsubjectingafullthicknessormachinedrectangulartestspecimentosingleshearforcetofailureinatestfixtureusingatensiontestingmachine.Theshearstrengthiscalculatedfromthemaximumforcerequiredtofracturethespecimen.5.SignificanceandUse5.1Theintentofthistestmethodistoprovideameansofmeasuringtheultimateshearstrengthofthinaluminumalloywr...