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ASTM_B_85_-_B_85M_-_14.pdf

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1、Designation:B85/B85M14Standard Specification forAluminum-Alloy Die Castings1This standard is issued under the fixed designation B85/B85M;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 parenthese

2、s 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 specification covers aluminum-alloy die castings ofall compositions.

3、Thirteen of the most commonly die cast alloycompositions are specified,designated as shown in Table 1.1.2 This specification is not intended for aluminum-alloydie castings used in aerospace applications.1.3 Alloy and temper designations are in accordance withANSI H35.1/H35.1(M).The equivalent unifie

4、d numberingsystem alloy designations are in accordance with PracticeE527.1.4 Unless the order specifies the“M”specificationdesignation,the material shall be furnished to the inch-poundunits.1.5 For acceptance criteria for inclusion of new aluminumand aluminum alloys and their properties in this spec

5、ification,see Annex A1 and Annex A2.1.6 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the other.Combining values from the two sy

6、stems may result in non-conformance with the standard.1.7 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

7、regulatory requirements prior to use.2.Referenced Documents2.1 The following documents of the issue in effect on dateof order acceptance form a part of this specification to theextent referenced herein:2.2 ASTM Standards:2B179 Specification for Aluminum Alloys in Ingot and Mol-ten Forms for Castings

8、 from All Casting ProcessesB275 Practice for Codification of Certain Nonferrous Metalsand Alloys,Cast and WroughtB557 Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy ProductsB557M Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy Products(Met

9、ric)B660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB881 Terminology Relating to Aluminum-and Magnesium-Alloy ProductsB985 Practice for Sampling Aluminum Ingots,Billets,Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisD3951 Practice for

10、 Commercial PackagingE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE23 Test Methods for Notched Bar Impact Testing of Me-tallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminu

11、m andAluminum-Base AlloysE505 Reference Radiographs for Inspection of Aluminumand Magnesium Die CastingsE527 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 Nitroge

12、n Atmosphere(Withdrawn 2011)3E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Alloys for Determination ofChemical Composition by Spectrochemical AnalysisE1251 Test Method for Analysis of Aluminum and Alumi-num Alloys by Spark Atomic Emission Spectrometry1This specification

13、is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.01 onAluminum Alloy Ingots and Castings.Current edition approved Oct.1,2014.Published October 2014.Originallyapproved in 1931.Last previous edition approved in 2013 as B85/B

14、85M 13.DOI:10.1520/B0085_B0085M-14.2For 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 Summary page onthe ASTM website.3The last approved version of t

15、his 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 IEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units(SI)

16、:The Modern Metric System2.3 AMS Standard:AMS-STD-184 Identification Marking of Aluminum,Mag-nesium and Titanium42.4 ANSI Standard:H35.1/H35.1(M)-2006 American National Standard Alloyand Temper Designation Systems for Aluminum52.5 NADCA Product Specification Standards for Die Cast-ings:6Engineering and Design:Coordinate DimensioningS-4A-1-09 Linear Dimensions:Standard TolerancesS-4A-2-09 Parting Line:Standard TolerancesS-4A-3-09Moving Die Components(MDC):StandardTolerancesS-4A-4-09 Draft Require

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