ASTM-E505

Designation:E505–01StandardReferenceRadiographsforInspectionofAluminumandMagnesiumDieCastings1ThisstandardisissuedunderthefixeddesignationE505;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesereferenceradiographsillustratethecategoriesandseveritylevelsofdiscontinuitiesthatmayoccurinaluminum-alloyandmagnesium-alloydiecastings.Theyareintendedtoprovide:1.1.1Aguideenablingrecognitionofdiscontinuitiesandtheirdifferentiationbothastotypeandseveritylevelthroughradiographicexamination.1.1.2Exampleradiographicillustrationsofdiscontinuitiesandanomenclatureforreferenceinacceptancestandards,specifications,anddrawings.1.1.3Thevaluesstatedininch-poundsaretoberegardedasstandard.NOTE1—Thesetofreferenceradiographsconsistsoffive81⁄2by11-in.cardboardframescontainingradiographscoveringdiscontinuitiesinaluminumandmagnesiumalloydiecastings.Thefirstfourframeseachcontaintwosetsoffourgradedlevelsofincreasingseverity,whilethelastframecontainstwoungradedradiographs.The5framesarecontainedina101⁄2by111⁄2-in.ringbinder.NOTE2—Referenceradiographsapplicabletoaluminumandmagne-siumcastingsupto2in.(50mm)inthicknessarecontainedinASTMReferenceRadiographsE155,forInspectionofAluminumandMagne-siumCastings,VolumesIandII.1.2Twokindsofillustrationcategoriesarecoveredasfollows:1.2.1Graded—Threediscontinuitycategoriesforalumi-numdiecastingsandthreediscontinuitycategoriesformag-nesiumdiecastings,eachillustratedinfourlevelsofprogres-sivelyincreasingseverity.CategoryAdiscontinuitiesareillustratedforaluminumandmagnesiumdiecastingshavingthicknessesof1⁄8in.(3.2mm)and5⁄8in.(15.9mm);CategoryBdiscontinuitiesareillustratedfor1⁄8-in.thickaluminumandmagnesiumdiecastings;andCategoryCdiscontinuitiesareillustratedfor5⁄8-in.thickaluminumandmagnesiumdiecastings.1.2.2Ungraded—Oneillustrationofonediscontinuityfor0.20-in.(5.1-mm)thicknessaluminumdiecasting;andoneillustrationofonediscontinuityfor1⁄8-in.(3.2-mm)thicknessmagnesiumdiecasting.1.3Thisdocumentmaybeusedforothermaterials,thick-nesses,orwithotherenergylevelsforwhichithasbeenfoundtobeapplicableandagreementhasbeenreachedbetweenthepurchaserandmanufacturer.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:E94GuideforRadiographicExamination2E155ReferenceRadiographsforInspectionofAluminumandMagnesiumCastings2E1316TerminologyforNondestructiveExaminations22.2ASTMAdjuncts:ReferenceRadiographsforInspectionofAluminumandMagnesiumDieCastings33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthisdocu-ment,seeTerminologyE1316.4.AppearanceofRadiographicIndications4.1Thefollowingdescriptionsareforuseindiscontinuityidentificationandclassification.Thesedescriptionsapplytothesereferenceradiographsonly.4.1.1CategoryA(Porosity)—Roundorelongated,smooth-edgeddarkspotsoccurringindividuallydistributedorinclusters.4.1.2CategoryB(ColdFill)—Adistinctdarkenedlineorbandofvariablelengthanddefinitesmoothoutline,usuallycontinuousorinterconnected.4.1.3CategoryC(Shrinkage)—Filamentaryorjaggeddark-enedareas,usuallycontinuousorinterconnected.4.1.4CategoryD(ForeignMaterial)—Isolatedirregularvariationinfilmdensity,eitherlighterordarkerthansurround-ingareas.Theymayindicatetheinclusionofoxideordrossormetalliccompoundsofdifferentdensity.Illustrationshowsamoredensematerial.1ThesereferenceradiographsareunderthejurisdictionofASTMCommitteeE07onNondestructiveTestingandisthedirectresponsibilityofSubcommitteeE07.02onReferenceRadiologicalImages.CurrenteditionapprovedJune10,2001.PublishedAugust2001.OriginallypublishedasE505–74.LastpreviouseditionE505–96.2AnnualBookofASTMStandards,Vol03.03.3AvailablefromASTMHeadquarters.OrderRRE0505.1Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.5.SignificanceandUse5.1Theseradiographsaresodesignedthatacceptancestandards,whichmaybedevelopedforparticularrequire-ments,canbespecifiedintermsoftheseradiographs.Theradiographsareofcastingsthatwereproducedundercondi-tionsdesignedtoproducethediscontinuities.ThesereferenceradiographsareintendedtobeusedforcastingthicknessrangesinaccordancewithTable1.5.2TheradiographicillustrationslistedinTable1illustratethreetypesofdiscontinuitiesinfourseveritylevels.Twoungradedillustrationshavebeenincludedtoestablishtheradiographicappearanceofforeignmaterial.5.3Thesereferenceradiographswereproducedinaccor-dancewithGuideE94.Allofthereferencesareoriginalradiographs.5.4FilmDeterioration—Radiographicfilmsaresubjecttowearandtearfromhandlinganduse.Theextenttowhichtheimagedeterioratesovertimeisafunctionofstoragecondi-tions,careinhandlingandamountofuse.Referenceradio-graphfilmsarenoexceptionandmayexhibitalossinimagequalityovertime.