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ASTM_B_807_-_B_807M_-_13.pdf

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1、Designation:B807/B807M13Standard Practice forExtrusion Press Solution Heat Treatment for AluminumAlloys1This standard is issued under the fixed designation B807/B807M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last r

2、evision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This practice establishes the controls required for extru-sion press solution heat treatment of the 6xxx and 7xxx seriesaluminu

3、m alloys in Table 1 when ASTM material specifica-tions allow use of this process in lieu of furnace solution heattreatment.For the alloys listed in Table 1,this practice is analternate process to solution heat treatment in a furnace,suchas specified in Practice B918/B918M for the attainment of T3,T4

4、,T6,T7,T8 and T9-type tempers(see ANSI H35.1/H35.1M).1.2 This practice applies only to extrusion press solutionheat treatment for aluminum alloys.Precipitation hardening(aging)processing and equipment calibration shall meet thepractice and requirements of Practice B918/B918M.1.3 The values stated in

5、 either SI units or inch-pound unitsare to be regarded separately as standard.The SI units areshown in brackets or in separate tables.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 re

6、sult in non-conformancewith the standard.1.4 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 li

7、mitations 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:2B557 Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy Prod

8、uctsB557M 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 ImpressorB881 Termin

9、ology Relating to Aluminum-and Magnesium-Alloy ProductsB918/B918M Practice for Heat Treatment of Wrought Alu-minum AlloysE10 Test Method for Brinell Hardness of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE2281 Practice for Process and Measurement CapabilityIndices

10、2.3 ASTM Manual:2ASTM MNL 7 Manual on Presentation of Data and ControlChart Analysis2.4 ANSI Standard:3H35.1/H35.1M Alloy and Temper Designation Systems forAluminum3.Terminology3.1 DefinitionsRefer to Terminology B881 for definitionsof product terms used in this specification.3.1.1 extrudate,nmateri

11、al exiting an extrusion die subjectto further processing(quenching,stretching,cutting),to be-come an extruded profile.3.1.2 extrusion billet,nsolid or hollow form,commonlycylindrical,used as the final length of material charged into theextrusion press cylinder,and is usually a cast product,but maybe

12、 a wrought product or sintered from powder compact.1This practice 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 June 1,2013.Published July 2013.Originally ap

13、provedin 1990.Last previous edition approved in 2006 as B807/B807M 06.DOI:10.1520/B0807_B0807M-13.2For 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

14、Summary page onthe ASTM website.3Available from Aluminum Association,Inc.,1525 Wilson Blvd.,Suite 600,Arlington,VA 22209,http:/www.aluminum.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 19428-2

15、959.United States1 3.1.3 extrusion log,nstarting stock for extrusion billet.Extrusion log is usually produced in lengths from whichshorter extrusion billets are cut.3.1.4 extrusion press solution heat treatment,nheating analloy to a suitable temperature and then extruding,whileholding for a sufficie

16、nt time to allow one or more solubleconstituents to enter into solid solution,where they are retainedin a supersaturated state after quenching.3.1.5 furnace solution heat treatment,nheating an alloy toa suitable temperature in a furnace and holding for a sufficienttime to allow one or more soluble constituents to enter intosolid solution,where they are retained in a supersaturated stateafter quenching.3.2 Definitions of Terms Specific to This Standard:3.2.1 product class,na category of extruded

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