Table of Contents
DOCUMENTHISTORYLOG
FOREWORD
1.SCOPE
1.1PURPOSE
1.2APPLICABILITY
2.APPLICABLEDOCUMENTS
2.1GOVERNMENTDOCUMENTS
2.2AMERICANSOCIETYFORTESTINGANDMATERIALS
(ASTM)DOCUMENTS
2.3ORDEROFPRECEDENCE
3.DEFINITION
3.1STRESSCORROSION
4.GENERALREQUIREMENTS
4.1LIMITATIONS
4.1.1TemperatureandEnvironmentLimitations
4.1.2Weldments
4.1.3SpecificTestData
4.1.4DataLimitations
4.2GRAINORIENTATION
4.2.1ProcessingOperations
4.2.2ShortTransverseDirection
4.3STRESSCONSIDERATIONS
4.3.1ExamplesofAssemblyStresses
4.3.2ExamplesofResidualStress
4.4SUSCEPTIBILITYOFENGINEERINGALLOYS
4.4.1AluminumAlloys
4.4.2FerrousAlloys
4.4.3NickelAlloys
4.4.4CopperAlloys
4.4.5TitaniumAlloys
5.DETAILEDREQUIREMENTS
5.1TESTINGOFMETALLICMATERIALSFORSTRESS
CORROSIONSUSCEPTIBILITY
5.1.1TestSpecimens
5.1.2ChemicalCompositionoftheTestMaterials
5.1.3HardnessTests
5.1.4MechanicalPropertiesoftheTestMaterials
5.1.5StressingandExposureofSpecimenstothe
TestEnvironment(s):
5.1.6DeterminationofReductioninLoadCarryingAbility
5.1.7TestEnvironmentsperASTMG44
5.1.8TestDuration
5.1.9VerificationofStressCorrosionFailures
5.1.10ReportingofResults
5.2RATINGOFALLOYSFORSTRESSCORROSIONSUSCEPTIBILITY
5.2.1StressCorrosionRatingsBasedonAlternate
ImmersionorSaltSprayTests
5.2.2StressCorrosionRatingsBasedonLessConventional
Tests
5.2.3StressCorrosionRatingsBasedonService
Experience
5.2.4CriteriaForAcceptingStressCorrosionRatings
BasedOnDataObtainedFromOtherLaboratories
5.3USEOFSTRESSCORROSIONRATINGSINDESIGNTO
PREVENTFAILURES
5.3.1MaterialsSelectionCriteria
5.3.2RequestForMaterialsApprovalPriortoUse,
Assembly,orIntegration
5.4ASSESSMENTOFTHEPOTENTIALFORASTRESSCORROSION
FAILURE
5.5THEMATERIALSUSAGEAGREEMENT(MUA)
5.6UNLISTEDMATERIALS
5.7PROTECTIVECOATINGS
5.8SURFACETREATMENTS
6.NOTES
6.1INTENDEDUSE
6.2CAUTIONAGAINSTMISAPPLICATIONOFTHISDOCUMENT
6.3KEYWORDS
LISTOFAPPENDICES
APPENDIXA-StressCorrosionReferences
APPENDIXB-ConcludingMaterial Abstract
Defines the design criteria that shall be used for the selection of metallic materials in order to prevent failure due to stress corrosion cracking.
