1、Designation:B927/B927M17Standard Specification forBrass Rod,Bar,and Shapes1This standard is issued under the fixed designation B927/B927M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parenthes
2、es 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 establishes requirements for brass rod(round,hexagonal,and octagonal),bar(rectangular andsquare),and shapes of UNS Alloys C21000,C22000,C
3、23000,C24000,C26000,C26800,C27000,C27400,C27450,C27451,C27453,and C28500.1.2 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 o
4、ther.Combining values from the two systems may result in non-conformance with the standard.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standar
5、ds,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2B16/B16M Specification for Free-Cutting Brass Rod,Barand Shapes for Use in Screw MachinesB36/B36M Specification for Brass Plate,Sheet,Strip,AndRoll
6、ed BarB121/B121M Specification for Leaded Brass Plate,Sheet,Strip,and Rolled BarB124/B124M Specification for Copper and Copper AlloyForging Rod,Bar,and ShapesB134/B134M Specification for Brass WireB135 Specification for Seamless Brass TubeB249/B249M Specification for General Requirements forWrought
7、Copper and Copper-Alloy Rod,Bar,Shapes andForgingsB587 Specification for Welded Brass TubeE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E478 Test Methods for Chemical Analysis of Cop
8、per Alloys3.General Requirements3.1 The following sections of Specification B249/B249Mconstitute a part of this specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship,Finish,and Appearance,3.1.4 Sampling,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Te
9、st Methods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Mill Test Reports,3.1.13 Product Marking,3.1.14 Packaging and Package Marking,and3.1.15 Supplementary Requirements.3.2 In addition,when a section with a title identical to th
10、atreferenced in 3.1,above,appears in this specification,itcontains additional requirements that supplement those thatappear in Specification B249/B249M.4.Ordering Information4.1 Include the following information when placing ordersfor product under this specification,as applicable:4.1.1 ASTM Designa
11、tion and year of issue,4.1.2 Copper Alloy UNS No.designation,4.1.3 Temper,4.1.4 Crosssection(round,hexagonal,octagonal,rectangular,or square),4.1.5 Quantity(total weight,footage,or number of pieces ofeach temper,cross section,and alloy),1This specification is under the jurisdiction ofASTM Committee
12、B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,Bar,Wire,Shapes and Forgings.Current edition approved April 1,2017.Published April 2017.Originallyapproved in 2003.Last previous edition approved in 2013 as B927/B927M 13.DOI:10.1520/B0927_B0927M-17.2For re
13、ferenced 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 onww
14、w.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 StatesThis international standard was developed in accordance with internationally recognized principles on standardizatio
15、n established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.6 Dimensions(diameter or distance between parallelsurfaces,width and thickness,length),4.1.7 Typ
16、e of edge(square corners,rounded edge,full-rounded edge),4.1.8 How furnished(specific lengths with or without ends),and4.1.9 If product is purchased for agencies of the U.S.Government(Specification B249/B249M).4.2 The following requirements are available to this speci-fication and should be specified in the contract or purchaseorder when required:4.2.1 Certification(Specification B249/B249M),and4.2.2 Mill Test Report(Specification B249/B249M).5.Materials and Manufacture5.1 Materials:5.1.1 The ma
