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ASTM_B_80_-_15.pdf

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1、Designation:B8015Standard Specification forMagnesium-Alloy Sand Castings1This standard is issued under the fixed designation B80;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicat

2、es the year of last reapproval.Asuperscriptepsilon()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.Scope1.1 This specification covers magnesium-alloy sand cast-ings designated as shown in Tabl

3、e 1.1.2 The values stated in inch-pound units are to be regardedas the standard.The SI values in parentheses are provided forinformation only.1.3 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

4、 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 dateof order acceptance form a part of this specification to theextent referenced herein:2.2 ASTM St

5、andards:2B93/B93M Specification for Magnesium Alloys in IngotForm for Sand Castings,Permanent Mold Castings,andDie CastingsB296 Practice for Temper Designations of MagnesiumAlloys,Cast and WroughtB557 Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy ProductsB660 Practice

6、s for Packaging/Packing of Aluminum andMagnesium ProductsB661 Practice for Heat Treatment of Magnesium AlloysB951 Practice for Codification of Unalloyed Magnesium andMagnesium-Alloys,Cast and WroughtE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE35

7、 Test Methods for Chemical Analysis of Magnesium andMagnesium Alloys(Withdrawn 2008)3E88 Practice for Sampling Nonferrous Metals and Alloys inCast Form for Determination of Chemical CompositionE94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminumand Magnesium Ca

8、stingsE165 Practice for Liquid Penetrant Examination for GeneralIndustryE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Alloys for Determination ofChemical Composition by Spectrochemical Analy

9、sis2.3 Federal Standards:4Fed.Std.No.123 Marking for Shipment(Civil Agencies)Fed.Std.No.184 Identification Marking of Aluminum,Magnesium and Titanium2.4 Military Standards:4MIL-STD-129 Marking for Shipment and Storage(MilitaryAgencies)MIL-STD-276 Impregnation of Porous Non-ferrous MetalCastingsMIL-I

10、-13857 Impregnation of Metal CastingsMIL-M-46062 Magnesium Alloy Castings,High StrengthMIL-M-6857 Heat Treatment of Magnesium Alloy Castings2.5 ANSI Standard:5ANSI Z1.4 Sampling Procedures and Tables for Inspectionby Attributes3.Terminology3.1 Definitions:3.1.1 casting lot,nunless otherwise agreed,s

11、hall consistof not more than 1000 lb of cleaned castings from the same1This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.04 onMagnesium Alloy Cast and Wrought Products.Current edition approved May 1,2015.

12、Published June 2015.Originallyapproved in 1930.Last previous edition approved in 2009 as B80 09.DOI:10.1520/B0080-15.2For 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

13、standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/www.dodssp.daps.mil.5Available from Americ

14、an National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 TABLE 1 Chemical RequirementsANOTE1Analysis shall regularly be made only for the elements s

15、pecifically mentioned in this table.If,however,the presence of other elements is suspected or indicated in amounts greater thanthe specified limits,further analysis shall be made to determine that these elements are not present in excess of the specified limits.NOTE2The following applies to all spec

16、ified limits in this table:For purposes of acceptance and rejection,an observed value or a calculated value obtained from analysis shall be rounded tothe nearest unit in the last right-hand place of figures used in expressing the specified limit.Alloy NumberBChemical Composition Limits for Registered Magnesium AlloysASTMUNSMagne-siumAlu-minumCopperGado-liniumIronLithiumMan-ganeseNeo-dymiumNickelRareEarthsSiliconSilverYttriumZincZirconiumOthers(MetallicImpurities)EachTotalCImpu-ritiesAM100AM10100

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