Designation:B557M−15StandardTestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts(Metric)1ThisstandardisissuedunderthefixeddesignationB557M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thesetestmethodscoverthetensiontestingofwroughtandcastaluminum-andmagnesium-alloyproducts,withtheexceptionofaluminumfoil,2andarederivedfromTestMethodsE8M,whichcoverthetensiontestingofallmetallicmaterials.NOTE1—ThesemetrictestmethodsaretheequivalentsofthoseinTestMethodsB557,andarecompatibleintechnicalcontentexceptfortherequirementoflongergagelengthsforroundspecimens.NOTE2—Foilissheetmetallessthan0.20mmthick.Thereisanoverlapinthethicknessrange0.15to0.20mmdefinedforfoilandsheet.Sheetproductsinthisthicknessrangearesuppliedtosheetproductspecificationsandfoilproductsinthisthicknessrangearesuppliedtofoilproductspecifications.Exceptionstotheprovisionsofthesetestmethodsmayneedtobemadeinindividualspecificationsortestmethodsforaparticularmaterial.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3B209SpecificationforAluminumandAluminum-AlloySheetandPlateE4PracticesforForceVerificationofTestingMachinesE6TerminologyRelatingtoMethodsofMechanicalTestingE8MTestMethodsforTensionTestingofMetallicMaterials[Metric](Withdrawn2008)4E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE83PracticeforVerificationandClassificationo...
