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ASTM_B_955_-_B_955M_-_14.pdf

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1、Designation:B955/B955M14Standard Specification forAluminum-Alloy Centrifugal Castings1This standard is issued under the fixed designation B955/B955M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number i

2、n 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 specification covers aluminum-alloy centrifugalcastings designated as shown in Table 1.1.2 This specification is not intended for aluminum-a

3、lloycentrifugal castings used in aerospace applications.1.3 Alloy and temper 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

4、 shall be furnished to the inch-poundunits.1.5 For acceptance criteria for 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.The

5、values stated in each system may not be exact equivalents;therefore,each 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 wit

6、h 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 limitation prior to use.2.Referenced Documents2.1 The following documents of the issue in effect on thedate of casting purchase form a p

7、art of this specification to theextent referenced herein:2.2 ASTM Standards:2B179 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 a

8、nd CastAluminum-and Magnesium-Alloy ProductsB557M Test Methods for Tension 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

9、for Heat Treatment of Aluminum-Alloy Castings from All ProcessesB985 Practice 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

10、toDetermine Conformance with SpecificationsE34 Test Methods for Chemical 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

11、 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)3E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Allo

12、ys for Determination ofChemical Composition by Spectrochemical AnalysisE1251 Test Method for Analysis of Aluminum and Alumi-num Alloys by Spark Atomic Emission SpectrometryE2422 Digital Reference Images for Inspection of Alumi-num Castings1This specification is under the jurisdiction of ASTM Committ

13、ee B07 on LightMetals and Alloysand is the direct responsibility of Subcommittee B07.01 onAluminum Alloy Ingots and Castings.Current edition approved Oct.1,2014.Published October 2014.Originallyapproved in 2007.Last previous edition approved in 2011 as B955/B955M 11.DOI:10.1520/B0955_B0955M-14.2For

14、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 this historical standard is referenced on

15、www.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 2.3 ANSI Standard:4H35.1/H35.1(M)American National Standard Alloy andTemper Designation Systems for AluminumZ1.4

16、 Sampling Procedures and Tables for Inspection byAttributes2.4 Military Standards:5MIL-STD-129 Marking for Shipment and StorageMIL-STD-276 Impregnation of Porous Nonferrous MetalCastings2.5 Naval Standard:6S9074-AR-GIB-010/278 Requirements for FabricationWelding and Inspection,and Casting Inspection and repairfor Machinery,Piping,and Pressure Vessels2.6 Federal Standard:5Fed Std.No.123 Marking for Shipment(Civil Agencies)2.7 Other Standards:7CEN EN 14242 Aluminum and Aluminum AlloysChemical Anal

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