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Designation:B179–11StandardSpecificationforAluminumAlloysinIngotandMoltenFormsforCastingsfromAllCastingProcesses1ThisstandardisissuedunderthefixeddesignationB179;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationcoverscommercialaluminumalloysiningotformforremeltingandmoltenformforthemanufac-tureofcastings.Thespecificgravityofthesealloysdoesnotexceed3.0andtheyaredesignatedasshowninTable1.NOTE1—Throughoutthisspecificationtheuseof“ingot”inageneralsenseincludessow,T-bar,T-ingot,andpig.1.2AlloydesignationsareinaccordancewithANSIH35.1/H35.1(M).TheequivalentUnifiedNumberingSystemalloydesignationsareinaccordancewithPracticeE527.NOTE2—SupplementarydatapertainingtothealloyscoveredbythisspecificationwhenusedintheformofcastingsaregiveninSpecificationsB26/B26M,B85/B85M,B108/B108M,B618/B618M,B686/B686M,andB955/B955M.1.3Unlesstheorderspecifiesthe“M”specificationdesig-nation,thematerialshallbefurnishedtotheinch-poundunits.1.4Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeAnnexA1.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5.1Exception—CertainSIunitsappearinbracketsin7.1.2.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B26/B26MSpecificationforAluminum-AlloySandCast-ingsB85/B85MSpecificationforAluminum-AlloyDieCastingsB108/B108MSpecificationforAluminum-AlloyPerma-nentMoldCastingsB618/B618MSpecificationforAluminum-AlloyInvest-mentCastingsB666/B666MPracticeforIdentificationMarkingofAlumi-numandMagnesiumProductsB686/B686MSpecificationforAluminumAlloyCastings,High-StrengthB955/B955MSpecificationforAluminum-AlloyCentrifu-galCastingsB969SpecificationforAluminum-AlloyCastingsProducedbytheSqueezeCasting,ThixocastandRheocastSemi-SolidCastingProcessesE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE34TestMethodsforChemicalAnalysisofAluminumandAluminum-BaseAlloysE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)E607TestMethodforAtomicEmissionSpectrometricAnalysisAluminumAlloysbythePointtoPlaneTech-niqueNitrogenAtmosphereE716PracticesforSamplingandSamplePreparationofAluminumandAluminumAlloysforDeterminationofChemicalCompositionbySpectrochemicalAnalysisE1251TestMethodforAnalysisofAluminumandAlumi-numAlloysbyAtomicEmissionSpectrometry2.2ANSIStandard:H35.1/H35.1(M)AmericanNationalStandardAlloyandTemperDesignationSystemsforAluminum32.3AluminumAssociationsStandard:DesignationsandChemicalCompositionLimitsforAlumi-numAlloysintheFormofCastingsandIngot(ThePinkSheets)31ThisspecificationisunderthejurisdictionofASTMCommitteeB07onLightMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB07.01onAluminumAlloyIngotsandCastings.CurrenteditionapprovedMay1,2011.PublishedJune2011.Originallyapprovedin1946.Lastpreviouseditionapprovedin2010asB179–10.DOI:10.1520/B0179-11.2ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.3AvailablefromAluminumAssociation,Inc.,1525WilsonBlvd.,Suite600,Arlington,VA22209,*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.CopyrightASTMInternationalProvidedbyIHSunderlicensewithASTMNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,,,,````-`-`,,`,,`,`,,`---TABLE1ChemicalCompositionLimitsofAluminumAlloysinIngotandMoltenFormsforAllCastingProcessesA,BThisTablehasbeenreprintedbythepermissionoftheAluminumAssociation,Inc.OnlycompositionlimitswhichareidenticaltothoselistedhereinorareregisteredwiththeAluminumAssociationshouldbedesignatedas“AA”alloys.NOTE1—Wheresingleunitsareshown,theseindicatethemaximumamountspermitted.NOTE2—Analysisshallbemadeforthoseelementsforwhichlimitsareshowninthistable.NOTE3—Thefollowingappliestoallspecifiedlimitsinthetable:Forpurposesofacceptanceorrejectionanobservedvalueoracalculatedvalueobtainedfromanalysisshouldberoundedtothenearestunitinthelastright-handplaceoffiguresusedinexpressingthespecifiedlimitinaccordancewiththerounding-offmethodofPracticeE29.RegisteredAlloysintheFormofXXX.1IngotandXXX.2IngotDesignationRegisteredDateProductsCComposition,%AANo.FormerSiFeCuMnMgCrNiZnTiSnOthersDAluminumMinimumEachTotalE100.1*...06/30/70Ingot0.150.6-0.80.10...F......F...0.05...F...0.03F0.1099.00G130.1*...06/30/70Ingot...H...H0.10...F......F...0.05.