1、Designation:B138/B138M11(Reapproved 2017)Standard Specification forManganese Bronze Rod,Bar,and Shapes1This standard is issued under the fixed designation B138/B138M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last re
2、vision.A number in 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 establishes the requirements for man-ganese bronze rod,bar and shapes produced in Copper AlloyUNS Nos.C67000,
3、C67500,or C67600.1.2 UnitsThe values stated in inch-pound units or SI unitsare to be regarded separately in the standard.Within the text,the SI values are shown in brackets.The values stated in eachsystem of units may not be exact equivalents;therefore,eachsystem shall be used independently of the o
4、ther.Combiningvalues from the two systems may result in nonconformancewith the standard.1.3 WarningMercury has been designated by many regu-latory agencies as a hazardous material that can cause seriousmedical issues.Mercury,or its vapor,has been demonstrated tobe hazardous to health and corrosive t
5、o materials.Cautionshould be taken when handling mercury and mercury contain-ing products.See the applicable product Safety Data Sheet(SDS)for additional information.Users should be aware thatselling mercury and/or mercury containing products into yourstate or country may be prohibited by law.NOTE1P
6、roduct suitable for hot forging applications is available underSpecification B124/B124M.1.4 The following safety hazard caveat pertains only to thePerformance Requirements section of this specification.1.4.1 This standard does not purport to address all of thesafety concerns,if any,associated with i
7、ts 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 limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standar
8、d-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2B124/B124M Specification for Copper and Copper Alloy
9、Forging Rod,Bar,and ShapesB154 Test Method for Mercurous Nitrate Test for CopperAlloysB249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod,Bar,Shapes andForgingsB858 Test Method forAmmonia Vapor Test for DeterminingSusceptibility to Stress Corrosion Cracking in Co
10、pperAlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE54 Test Methods for Chemical Analysis of Special Brassesand Bronzes(Withdrawn 2002)3E62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)3E478 Test Methods for Chemical Analysis o
11、f Copper 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
12、.7 Test 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 Test Report,3.1.13 Packaging and Package Marking,and3.1.14 Supplementary Requirements.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Cop
13、per 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 1941.Last previous edition approved in 2011 as B138/B138M-11.DOI:10.1520/B0138_B0138M-11R17.2For referenced ASTM sta
14、ndards,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 onwww.astm.org.*A Sum
15、mary 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 standardization established in
16、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 3.2 In addition,when a section with a title identical to oneof those referenced in 3.1 above,appears in this specification,it contains additional requirements which supplement thoseappearing in Specification B249/B249M.4.Ordering Information4.1 Include the following when placing orders for productunder this specific
