1、Designation:B4917Standard Specification forCopper Rod for Electrical Purposes1This standard is issued under the fixed designation B49;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses in
2、dicates the year of last reapproval.Asuperscriptepsilon()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 covers the requirements for rod indiameters from14to 138in.
3、(6.4 to 35 mm)produced fromhigh conductivity coppers listed in Table 1,namely,electrolytictough-pitch,oxygen-free,or fire-refined high conductivitycoppers,and are suitable for further fabrication into electricalconductors.1.2 The values stated in inch-pound units are to be regardedas standard.The va
4、lues given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 The following safety hazards caveat pertains only toSection 13.This standard does not purport to address all of thesafety concerns,if any,associated with its us
5、e.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.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-iza
6、tion 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 The following documents in the current issue of theBook of Standards form
7、 a part of this specification to the extentreferenced herein and define materials suitable for use in rodmanufacture:2.2 ASTM Standards:2B5 Specification for High Conductivity Tough-Pitch CopperRefinery ShapesB115 Specification for Electrolytic Copper CathodeB170 Specification for Oxygen-Free Electr
8、olytic CopperRefinery ShapesB193 Test Method for Resistivity of Electrical ConductorMaterialsB224 Classification of CoppersB577 Test Methods for Detection of Cuprous Oxide(Hydro-gen Embrittlement Susceptibility)in CopperB846 Terminology for Copper and Copper AlloysE8/E8M Test Methods for Tension Tes
9、ting of Metallic Ma-terialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE478 Test Methods for Chemical Analysi
10、s of Copper AlloysE1606 Practice for Electromagnetic(Eddy Current)Exami-nation of Copper and Aluminum Redraw Rod for Electri-cal PurposesE2575 Standard Test Method for Determination of Oxygenin Copper and Copper Alloys(Withdrawn 2017)32.3 Other Document:4NBS Handbook 100 Copper Wire Tables3.Terminol
11、ogy3.1 For definitions of general terms relating to copper andcopper alloys refer to Terminology B846.4.Ordering Information4.1 Orders for rod under this specification shall include thefollowing information:4.1.1 ASTM designation and year of issue,4.1.2 Quantity of each size,4.1.3 UNS designation an
12、d requirements of copper(Sec-tions 5 10),4.1.4 Finish(Sections 9 and 10),1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.07 onRefined Copper.Current edition approved April 1,2017.Published May 2017.Ori
13、ginallyapproved in 1923.Last previous edition approved in 2016 as B49-16.DOI:10.1520/B0049-17.2For 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 standards Document Summ
14、ary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from National Technical Information Service(NTIS),5301 ShawneeRd.,Alexandria,VA 22312,http:/www.ntis.gov.*A Summary of Changes section appears at the end of this standardCopyrig
15、ht 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 the Decision on Principles for theDevelopment of International Sta
16、ndards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.5 Package with or without joints(see 5.3),4.1.6 Rod diameter(see 9.2),4.1.7 Inspection(Section 15),4.1.8 Package size(see 19.1),and4.1.9 Special package marking as agreed upon between themanufacturer and the purchaser(Section 19).4.2 The following requirements are optional and should bespecified in the contract or purchase order when required.4.2.1 Certification(Section 17)and
