Standard Specification for Aluminum and Aluminum …

1 Designation: B 221 05aStandard Specification forAluminum and Aluminum -Alloy Extruded Bars, Rods, Wire,Profiles, and Tubes1 This Standard is issued under the fixed designation B 221; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or Standard has been approved for use by agencies of the Department of Scope* This specification2covers Aluminum and Aluminum -alloy extruded bar, rod, wire, profile, and tube in the aluminumalloys (Note 1)

2 And tempers shown inTable Throughout this specification, the use of the termalloyin thegeneral sense includes Aluminum as well as Aluminum For rolled or cold-finished bar and rod refer to SpecificationB211, for drawn tube, SpecificationB 210, for structural pipe and tube,SpecificationB 429, and for seamless pipe and tube, SpecificationB 241/B Alloy and temper designations are in accordance The equivalent Unified Numbering system alloydesignations are those ofTable 1preceded by A9; for example,A91100 for Aluminum 1100 in accordance with PracticeE For acceptance criteria for inclusion of new aluminumand Aluminum alloys in this specification, seeAnnex A complete metric companion to B 221 has beendeveloped B 221M.

3 Therefore, no metric equivalents arepresented in this Referenced The following documents of the issue in effect on thedate of material purchase, unless otherwise noted, form a partof this specification to the extent referenced standards :3B 210 Specification for Aluminum and Aluminum -AlloyDrawn Seamless TubesB211 Specification for Aluminum and Aluminum -AlloyBar, Rod, and WireB 241/B 241 MSpecification for Aluminum and Aluminum -Alloy Seamless Pipe and Seamless Extruded TubeB 429 Specification for Aluminum -Alloy Extruded Struc-tural Pipe and TubeB 557 Test Methods of Tension Testing Wrought and CastAluminum- and Magnesium-Alloy ProductsB 594 Practice for Ultrasonic Inspection of Aluminum -Alloy Wrought Products for Aerospace ApplicationsB 660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB 666/B 666 MPractice for Identification Marking of Alu-minum and Magnesium ProductsB 807 Practice for Extrusion Press

4 Solution Heat Treatmentof Aluminum AlloysB 881 Terminology Relating to Aluminum - andMagnesium-Alloy ProductsB 918 Practice for Heat Treatment of Wrought AluminumAlloysE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical CompositionE 527 Practice for Numbering Metals and Alloys (UNS)E 607 Test Method for Atomic Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by thePoint-to-Plane Technique, Nitrogen AtmosphereE 716 Practices for Sampling Aluminum and AluminumAlloys for Spectrochemical AnalysisE 1004 Practice for Determining Electrical ConductivityUsing the Electromagnetic (Eddy-Current)

5 MethodE 1251 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by the ArgonAtmosphere, Point-to-Plane, Unipolar Self Initiating Ca-pacitor Discharge1 This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee onAluminum Alloy Wrought edition approved Oct. 1, 2005. Published October 2005. Originallyapproved in 1947. Last previous edition approved in 2005 as B 221 ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-221 in Section11of this referenced ASTM standards , visit the ASTM website, , orcontact ASTM Customer Service at ForAnnual Book of ASTMS tandardsvolume information, refer to the Standard s Document Summary page onthe ASTM *A Summary of Changes section appears at the end of this ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959.

6 United Method for Determining Susceptibility to Stress-Corrosion Cracking of 2 XXX and 7 XXX Aluminum AlloyProductsMethod of Test for Exfoliation Corrosion Susceptibility in7 XXX Series Copper-Containing Aluminum Alloys (EXCOTest) (G 34-72) and temper Designation Systems for Tolerances for Aluminum Mill Standard :5 Fed. Std. No. 123 Marking for Shipment (Civil Agencies) Standard :5 MIL-STD-129 Marking for Shipment and Storage4 The applicable edition in the use of this specification is G 34 72, which isavailable in the gray pages of theAnnual Book of ASTM standards , Vol from Standardization Documents Order Desk, Bldg.

7 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, Attn: 1 Chemical Composition LimitsA,B,CAlloySiliconIronCopperManga-n eseMagne-siumChromium ZincTitaniumVanadiumOther Si + Clad with 7072 .. Si + are in weight percent maximum unless shown as a range, or stated shall be made for the elements for which limits are shown in this the purpose of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unit inthe last right-hand place of the figures used in expressing the specified limit, in accordance with the rounding-off method of listed elements for which no specific limit is shown as well as unlisted metallic elements.

8 The producer may analyze samples for trace elements notspecified in the specification. However, such analysis is not required and may not cover all metallicOtherselements. Should any analysis by the producer or the purchaserestablish that anOtherselement exceeds the limit ofEachor that the aggregate of severalOtherselements exceeds the limit ofTotal, the material shall be Elements Total shall be the sum of unspecified metallic elements % or more, rounded to the second decimal before determining the Aluminum content shall be calculated by subtracting from % the sum of all metallic elements present in amounts of % or more each.

9 Roundedtothesecond decimal before determining the agreement between the purchaser and the producer or supplier, a Zr + Ti limit of % max is permitted. Properties in Specification (Table 2) are not basedon the Zirconium and Titanium , %. The total for other elements does not include plus chromium shall total 1965 the requirements for 6062 were combined with those for 6061 by revising the minimum chromium from % to %. This action cancelled alloy and lead shall be % %. The total for other elements does not include of cladding alloy applied during the course of manufacture.

10 Samples from finished tube shall not be required to conform to these agreement between the purchaser and the producer or supplier, a Zr + Ti limit of % max is permitted. Properties in Specification (Table 2) are not basedon the Zirconium and Titanium % 221 Specification:6 AMS 2772 Heat Treatment of Aluminum Alloy Raw Mate-rials3. :Refer to TerminologyB 881for definitions of product termsused in this 2 Mechanical Property LimitsA,BNOTE1 Strength values shown in parentheses are for information Sectionor Wall Thickness, , Strength, ksiYield Strength( % offset), ksiElongation in , min, %C,DminmaxminmaxAluminum.