NASA MSFC SPEC 504:1990
NASA MSFC SPEC 504:1990 Welding, Aluminium Alloys Covers the welding and quality assurance requirements for manual and mechanized welding of aluminium and aluminium alloy materials for flight and support applications.
Table of Contents
1.0SCOPE1.1CLASSIFICATIONS
1.1.1WELDINGPROCESSES
1.1.2WELDCLASSES
2.0APPLICABLEDOCUMENTS
2.1DOCUMENTS
2.1.1FEDERAL
2.1.2MILITARY
2.1.3NASA
2.1.4AMERICANWELDINGSOCIETY
2.1.5AMERICANSOCIETYFORTESTINGANDMATERIALS
3.0REQUIREMENTS
3.1EQUIPMENT
3.1.1WELDINGEQUIPMENT
3.1.2TOOLINGANDFIXTURES
3.2MATERIALS
3.2.1BASEMETALS
3.2.2FILLERMETALS
3.2.3SHIELDINGGAS
3.2.4TUNGSTENELECTRODES
3.3WELDPROCEDUREANDPERFORMANCEQUALIFICATION
3.3.1WELDERPERFORMANCEQUALIFICATION
3.3.2WELDPROCEDURESPECIFICATION
3.3.3WPSQUALIFICATION
3.3.4RECORDS
3.3.5WELDINGPROCEDURESPECIFICATIONAPPROVAL
3.4PREWELDOPERATIONS
3.4.1JOINTDESIGN
3.4.2PREWELDCLEANING
3.4.3INSPECTION
3.5PRODUCTIONWELDING
3.5.1EQUIPMENTOPERATIONALCHECK
3.5.2TEMPERATURECONTROL
3.5.3TACKWELDING
3.5.4WELDINGTECHNIQUE
3.5.5WELDINGPROCEDURE
3.5.6PROCEDUREDEPARTURE
3.6POSTWELDOPERATIONS
3.6.1INSPECTION
3.6.2GENERALWORKMANSHIPREQUIREMENTS
3.6.3DIMENSIONALREQUIREMENTS
3.6.4WELDMENTSTRAIGHTENING
3.6.5POSTWELDHEATTREATREQUIREMENTS
3.7WELDJOINTSTRENGTHREQUIREMENTS
3.7.1BUTTJOINTS
3.7.2FILLETWELDS
3.8REPAIRWELDING
3.8.1REPAIRWELDINGREQUIREMENTS
3.8.2MATERIALREVIEWBOARD
3.8.3REINSPECTIONOFREPAIRS
3.9WELDMENTEXTERNALQUALITYREQUIREMENTS
3.9.1FACEANDROOTSIDEINSPECTION
3.9.2REINFORCEMENTREQUIREMENTS
3.9.3CLASSIANDIII
3.9.4CLASSESIIANDIV
3.9.5CLASSVANDVI
3.10WELDMENTINTERNALQUALITYREQUIREMENTS
3.10.1INTERNALQUALITYREQUIREMENTS
3.10.2CLASSI
3.10.3CLASSII
4.0QUALITYASSURANCE
4.1RESPONSIBILITYFORPERFORMANCE
4.2NDEPROCEDURES
4.3JOINTDESIGNANDWPSQUALITYASSURANCE
4.4PREWELDANDWELDINSPECTION
4.4.1DOCUMENTATION
4.4.2FILLERMETALINSPECTION
4.4.3INERTSHIELDINGGASINSPECTION
4.4.4WELDJOINTANDTOOLINGINSPECTION
4.4.5EQUIPMENTINSPECTION
4.4.6QUALITYASSURANCERESPONSIBILITY
4.5POSTWELDINSPECTION
4.5.1VISUALINSPECTION
4.5.2DIMENSIONALINSPECTION
4.5.3INTERNALQUALITYINSPECTION
4.5.4SURFACEQUALITYINSPECTION
5.0NOTES
5.1INTENDEDUSE
5.2ORDERINGDATA
5.3DEFINITIONS
5.3.1MATERIALTHICKNESS
5.3.2WELDINTERSECTION
5.3.3WELDERPERFORMANCEQUALIFICATION
5.3.4WELDPROCEDURESPECIFICATION
5.3.5SPECIALTESTWELDMENTS
5.3.6STANDARDTESTWELDMENTS
5.3.7PROCEDUREQUALIFICATIONRECORD
5.3.8QUALIFIEDINSPECTOR
5.3.9OPTIMUMANGLE
5.4SYMBOLS
5.4.1WELDINGSYMBOLS
5.5CHANGES