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ASTM_B_108_-_B_108M_-_15.pdf

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1、Designation:B108/B108M15Standard Specification forAluminum-Alloy Permanent Mold Castings1This standard is issued under the fixed designation B108/B108M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A numbe

2、r 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 aluminum-alloy permanentmold ca

3、stings designated as shown in Table 1.1.2 This specification is for aluminum-alloy permanentmold castings used in general purpose applications.It may notaddress the mechanical properties,integrity testing,and veri-fication required for highly loaded or safety critical applica-tions.1.3 Alloy and tem

4、per designations are in accordance withANSI H35.1/H35.1(M).The equivalent unified 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 fo

5、r inclusion of new aluminumand aluminum alloys and their properties in this specification,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

6、system shall be used independently of the other.Combining values from the two systems 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 establi

7、sh 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 casting purchase form a part of this specification to theextent referenced herein:2.2 ASTM Standa

8、rds:3B179 Specification for Aluminum Alloys in Ingot and Mol-ten Forms for Castings from All Casting ProcessesB275 Practice for Codification of Certain Zinc,Tin and LeadDie CastingsB557 Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy ProductsB557M Test Methods for Tensi

9、on Testing Wrought and CastAluminum-and Magnesium-Alloy Products(Metric)B660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB881 Terminology Relating to Aluminum-and Magnesium-Alloy ProductsB917/B917M Practice for Heat Treatment of Aluminum-Alloy Castings from All ProcessesB985 Pra

10、ctice for Sampling Aluminum Ingots,Billets,Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical

11、 Analysis of Aluminum andAluminum-Base AlloysE94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminumand Magnesium CastingsE165 Practice for Liquid Penetrant Examination for GeneralIndustryE527 Practice for Numbering Metals and Alloys in theUnified Numbering System

12、(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 Analysis1

13、This specification 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 May 1,2015.Published May 2015.Originallyapproved in 1936.Last previous edition approved i

14、n 2014 as B108/B108M 14.DOI:10.1520/B0108_B0108M-15.2For ASME Boiler and Pressure Code application see related SB-108.3For 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

15、 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.Unit

16、ed States1 E1251 Test Method for Analysis of Aluminum and Alumi-num Alloys by Spark Atomic Emission SpectrometryE2422 Digital Reference Images for Inspection of Alumi-num CastingsIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units(SI):The Modern Metric System2.3 ANSI Standard:5H35.1/H35.1(M)Alloy and Temper Designation Systems forAluminum2.4 Military Standards:6MIL-STD-129 Marking for Shipment and StorageMIL-STD-276Impregnation of Porous Nonferrous MetalCastingsNAVSEA S9074-AR-G

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