ASTM_B_247_-_15.pdf

Designation:B24715Standard Specification forAluminum and Aluminum-Alloy Die Forgings,HandForgings,and Rolled Ring Forgings1This standard is issued under the fixed designation B247;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()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 aluminum-alloy(Note 1)dieforgings,hand forgings,and rolled ring forgings as shown inTable 2,Table 3 and Table 4 in Section 10 for heat-treatablealloy forgings supplied in the F and 01 tempers.The maximumthicknesses for forgings within the scope of this specificationare as indicated in those tables.NOTE1Throughout this specification use of the term alloy in thegeneral sense includes aluminum as well as aluminum alloy.NOTE2For forging stock supplied as rolled or cold-finished bar or rodsee Specification B211.For forging stock supplied as extruded bar or rodsee Specification B221.1.2 Alloy and temper designations are in accordance withANSI H35.1/H35.1(M).The equivalent Unified NumberingSystem alloy designations are those of Table 1 preceded byA9,for example,A91100 for aluminum 1100 in accordance withPractice E527.1.3 For acceptance criteria for inclusion of new aluminumand aluminum alloys in this specification,see Annex A2.1.4 This specification is the inch-pound companion toSpecification B247M;therefore,no SI equivalents are pre-sented in the specification.2.Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein:2.2 ASTM Standards:3B211 Specification for Aluminum and Aluminum-AlloyRolled or Cold Finished Bar,Rod,and WireB221 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 ProductsB594 Practice for Ultrasonic Inspection of Aluminum-AlloyWrought ProductsB660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB881 Terminology Relating to Aluminum-and Magnesium-Alloy ProductsB918 Practice for Heat Treatment of Wrought AluminumAlloysB985 Practice for Sampling Aluminum Ingots,Billets,Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisE10 Test Method for Brinell Hardness of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE165 Practice for Liquid Penetrant Examination for GeneralIndustryE527 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 AnalysisE1004 Test Method for Determining Electrical ConductivityUsing the Electromagnetic(Eddy-Current)MethodE1251 Test Method for Analysis of Aluminum and Alumi-num Alloys by Spark Atomic Emission Spectrometry1This 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 Oct.1,2015.Published October 2015.Originallyapproved in 1950.Last previous edition approved in 2009 as B247 09.DOI:10.1520/B0247-15.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-247 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 G47 Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX AluminumAlloy Products2.3 ANSI Standard:H35.1/H35.1(M)Alloy and Temper Designation Systems52.4 Military Standards:MIL-STD-129 Marking for Shipment and Storage6(refer-enced in MIL-STD-649 and applies only to direct ship-ments to Department of Defense agencies).2.5 SAE:AMS 2772 Heat Treatment of Aluminum Alloys Raw Ma-terials72.6 Federal Standard:Fed.Std.No.123 Marking for Shipment(Civil Agencies)62.7 National Aerospace Standard:NAS 410 Certification and Qualification of NondestructiveTest Personnel82.8 Other Standards:CEN EN 14242 Aluminum a