ASTM_B_308_-_B_308M_-_10.pdf

Designation:B308/B308M10Used in USAEC-RDT StandardsStandard Specification forAluminum-Alloy 6061-T6 Standard Structural Profiles1This standard is issued under the fixed designation B308/B308M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification2covers extruded 6061-T6 aluminum-alloy standard structural profiles.1.2 The profiles are limited to I-beams,H-beams,channels,angles,tees,and zees.NOTE1For other extruded profiles in other alloys and tempers refer toSpecification B221.1.3 Alloy and temper designations are in accordance withANSI H35.1/H35.1M.The equivalent Unified NumberingSystem alloy designation is that in Table 1 preceded by A9,orA96061 for alloy 6061 in accordance with Practice E527.1.4 For acceptance criteria for inclusion of new aluminumand aluminum alloys in this specification,see Annex A2.1.5 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 The following documents of the issue in effect on thedate of material purchase form a part of this specification to theextent referenced herein:2.2 ASTM Standards:3B221 Specification for Aluminum and Aluminum-Alloy Ex-truded Bars,Rods,Wire,Profiles,and TubesB557 Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy ProductsB557M Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy Products(Metric)B647 Test Method for Indentation Hardness of AluminumAlloys by Means of a Webster Hardness GageB648 Test Method for Indentation Hardness of AluminumAlloys by Means of a Barcol ImpressorB660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB666/B666M Practice for Identification Marking of Alumi-num and Magnesium ProductsB807/B807M Practice for Extrusion Press Solution HeatTreatment for Aluminum AlloysB881 Terminology Relating to Aluminum-and Magnesium-Alloy ProductsB918 Practice for Heat Treatment of Wrought AluminumAlloysD3951 Practice for Commercial PackagingE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E607 Test Method for Atomic Emission SpectrometricAnalysis Aluminum Alloys by the Point to Plane Tech-nique Nitrogen Atmosphere(Withdrawn 2011)4E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Alloys for Determination ofChemical Composition by Spectrochemical Analysis1This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.03 onAluminum Alloy Wrought Products.Current edition approved May 1,2010.Published June 2010.Originallyapproved in 1956.Last previous edition approved in 2002 as B308/B308M 02.DOI:10.1520/B0308_B0308M-10.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-308 in Section II of that Code.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E1251 Test Method for Analysis of Aluminum and Alumi-num Alloys by Spark Atomic Emission Spectrometry2.3 ANSI Standards:H35.1/H35.1M Alloy and Temper Designation Systems forAluminum5H35.2 Dimensional Tolerances for Aluminum Mill Prod-ucts5H35.2M Dimensional Tolerances for Aluminum Mill Prod-ucts(Metric)52.4 Federal Standard:Fed.Std.No.123 Marking for Shipment(Civil Agencies)62.5 AMS Specifications:AMS 2772 Heat Treatment of Aluminum Alloy/Raw Mate-rials72.6 Military Specifications:MIL-STD-129 Marking for Shipment and Storage62.7 CEN EN Standards:EN 14242 Aluminum and aluminum alloys,Chemical analy-sis induc