1、Designation:B371/B371M15Standard Specification forCopper-Zinc-Silicon Alloy Rod1This standard is issued under the fixed designation B371/B371M;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 pare
2、ntheses 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 specification establishes the requirements forcopper-zinc-sil
3、icon alloy rod produced in Copper Alloy UNSNos.C69240,C69300,C69400,C69430,C69700,andC69710.1.1.1 If the purchaser does not specify the alloy to besupplied,product is permitted to be furnished in any of thealloys named in 1.1.1.2 UnitsThe values stated in either SI units or inch-pound units are to b
4、e regarded separately as standard.Thevalues 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.1.3 The following safety hazard caveat pertains only to
5、thetest methods described in this specification.This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory re
6、quirementsprior to use.1.4 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 to materials.Cautionshould be taken when handling mercury and merc
7、ury 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.2.Referenced Documents2.1 ASTM Standards:2B154 Test Method for Mercurou
8、s 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 CopperAlloysE8/E8M Test Methods for Tension Testing of Me
9、tallic 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 of Copper Alloys3.General Requirements3.1 The following
10、sections of Specification B249/B249Mconstitutes 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 Test Methods,3.1.8 Significance of Numerical Limits
11、,3.1.9 Inspection,3.1.10 Rejection and Rehearing,1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,Bar,Wire,Shapes and Forgings.Current edition approved Oct.1,2015.Published October 2015.Origin
12、allyapproved in 1961.Last previous edition approved in 2013 as B371/B371M 08(2013).DOI:10.1520/B0371_B0371M-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 standa
13、rds Document Summary page onthe ASTM website.3The 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.United Stat
14、es1 3.1.11 Certification,3.1.12 Test Report,3.1.13 Packaging and Package Marking,and3.1.14 Supplementary Requirements.3.2 In addition,when a section with a title identical to thatreferenced in 3.1,above,appears in this specification,itcontains additional requirements which supplement those ap-pearin
15、g 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 designation and year of issue,4.1.2 Copper alloy UNS No.designation,4.1.3 FormCross section such as round,hexagon,and soforth,4.1
16、.4 Temper(Section 7),4.1.5 DimensionsDiameter or distance between parallelsurfaces,nominal specific or stock length,4.1.6 QuantityTotal weight,footage,or number of pieces,and4.1.7 If product is purchased for agencies of the U.S.government(see Supplementary Requirements section ofSpecification B249/B249M).4.2 The following options are available and should bespecified at the time of placing the order,when required:4.2.1 Residual Stress Test(Performance Requirementssection,Section 9),4.2.1.1 Ammoni
