搜索
Designation:A370–07bStandardTestMethodsandDefinitionsforMechanicalTestingofSteelProducts1ThisstandardisissuedunderthefixeddesignationA370;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thesetestmethods2coverproceduresanddefinitionsforthemechanicaltestingofwroughtandcaststeels,stainlesssteels,andrelatedalloys.Thevariousmechanicaltestshereindescribedareusedtodeterminepropertiesrequiredintheproductspecifications.Variationsintestingmethodsaretobeavoided,andstandardmethodsoftestingaretobefollowedtoobtainreproducibleandcomparableresults.Inthosecasesinwhichthetestingrequirementsforcertainproductsareuniqueoratvariancewiththesegeneralprocedures,theproductspecificationtestingrequirementsshallcontrol.1.2Thefollowingmechanicaltestsaredescribed:SectionsTension5to13Bend14Hardness15Brinell16Rockwell17Portable18Impact19to28Keywords291.3Annexescoveringdetailspeculiartocertainproductsareappendedtothesetestmethodsasfollows:AnnexBarProductsA1.1TubularProductsAnnexA2FastenersAnnexA3RoundWireProductsAnnexA4SignificanceofNotched-BarImpactTestingAnnexA5ConvertingPercentageElongationofRoundSpecimenstoEquivalentsforFlatSpecimensAnnexA6TestingMulti-WireStrandAnnexA7RoundingofTestDataAnnexA8MethodsforTestingSteelReinforcingBarsAnnexA9ProcedureforUseandControlofHeat-CycleSimulationAnnexA101.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.5Whenthisdocumentisreferencedinametricproductspecification,theyieldandtensilevaluesmaybedeterminedininch-pound(ksi)unitsthenconvertedintoSI(MPa)units.Theelongationdeterminedininch-poundgaugelengthsof2or8in.maybereportedinSIunitgaugelengthsof50or200mm,respectively,asapplicable.Conversely,whenthisdocumentisreferencedinaninch-poundproductspecification,theyieldandtensilevaluesmaybedeterminedinSIunitsthencon-vertedintoinch-poundunits.TheelongationdeterminedinSIunitgaugelengthsof50or200mmmaybereportedininch-poundgaugelengthsof2or8in.,respectively,asapplicable.1.6AttentionisdirectedtoISO/IEC17025andE1595whentheremaybeaneedforinformationoncriteriaforevaluationoftestinglaboratories.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3A703/A703MSpecificationforSteelCastings,GeneralRequirements,forPressure-ContainingPartsA781/A781MSpecificationforCastings,SteelandAlloy,CommonRequirements,forGeneralIndustrialUseA833PracticeforIndentationHardnessofMetallicMate-rialsbyComparisonHardnessTestersE4PracticesforForceVerificationofTestingMachinesE6TerminologyRelatingtoMethodsofMechanicalTest-ingE8TestMethodsforTensionTestingofMetallicMaterialsE8MTestMethodsforTensionTestingofMetallicMate-rials[Metric]E10TestMethodforBrinellHardnessofMetallicMateri-als1ThesetestmethodsanddefinitionsareunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandarethedirectresponsibilityofSubcommitteeA01.13onMechanicalandChemicalTestingandProcessingMethodsofSteelProductsandProcesses.CurrenteditionapprovedNov.1,2007.PublishedJanuary2008.Originallyapprovedin1953.Lastpreviouseditionapprovedin2007asA370–07a.2ForASMEBoilerandPressureVesselCodeapplicationsseerelatedSpecifi-cationSA-370inSectionIIofthatCode.3ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.CopyrightASTMInternational,100BarrHarborDrive,WestConshohocken,Pennsylvania19428,USADistributedunderASTMlicenseagreementbyShanghaiInstituteofStandardization(SIS)Tel:86-21-64370807ASTMInternational版权所有,100BarrHarborDrive,WestConshohocken,Pennsylvania,19428,USA由上海市标准化研究院（SIS）根据ASTM授权协议进行销售地址：上海市长乐路1219/1227号邮编：200031联系电话：86-21-64370807E18TestMethodsforRockwellHardnessofMetallicMaterialsE23TestMethodsforNotchedBarImpactTestingofMetallicMaterialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE83PracticeforVerificationandClassificationofExten-someterSystemsE110TestMethodforIndentationHardnessofMetallicMaterialsbyPortableHardnessTestersE190TestMethodforGuidedBendTestforDuctilityofWeldsE290TestMethodsforBendTestingofMaterialforDuctilityE1595PracticeforEvaluatingthePerformanceofMe-chanicalTestingLaboratories42.2ASMEDocument:5ASMEBoilerandPressureVesselCode,SectionVIII,DivisionI,PartUG-82.3ISOStandard:6ISO/IEC17025GeneralRequirementsfortheCompetenceofTestingandCalibrationLaboratories3.GeneralPrecautions3.1Certainmethodsoffabrication