ASTM B49-2017 Standard Specification for Copper Rod for Electrical Purposes《电工用铜棒的标准规格》.pdf
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1、Designation: B49 17Standard 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 parenthes
2、es indicates 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 from14
3、 to 138 in. (6.4 to 35 mm) produced fromhigh conductivity coppers listed inTable 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 regardeda
4、s standard. The values 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, a
5、ssociated with 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 limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized prin
6、ciples on standard-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 The following documents in the current issue of
7、 theBook of Standards form 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 Specificat
8、ion for Oxygen-Free Electrolytic 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
9、Test Methods for Tension Testing 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
10、Methods for Chemical Analysis 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 1
11、00 Copper Wire Tables3. Terminology3.1 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 e
12、ach size,4.1.3 UNS designation and requirements of copper (Sec-tions 510),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 A
13、pril 1, 2017. Published May 2017. Originallyapproved 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 infor
14、mation, refer to the standards Document Summary 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 s
15、ection 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 the Decision
16、 on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.14.1.5 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 (s
17、ee 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) and4.2.2 Test Report (Section 18).5. Ma
18、terial and Manufacture5.1 The rod shall be fabricated from copper of such qualityand purity that the finished product shall have the propertiesand characteristics prescribed in this specification.NOTE 1The following specifications define materials suitable for use:Classification B224, or Specificati
19、on B5, or Specification B115,orSpecification B170.5.2 Copper of special qualities, forms, or types, as agreedupon between the manufacturer and the purchaser and that willconform to the requirements prescribed in this specificationmay also be used.5.3 The rod coils shall be furnished in continuous le
20、ngthswith or without joints, as ordered.6. Chemical Composition6.1 Each rod type shall conform to the chemical composi-tion requirements prescribed in Table 1 for the type of copperordered (Section 5).6.2 By agreement between the manufacturer and thepurchaser, the addition of silver up to an average
21、 of 30 troy ozper short ton of copper (0.10 %) will be considered within thespecification, copper including silver in the chemical analysis,with no individual silver analysis to exceed 35 troy oz per shortton (0.12 %). In the case of oxygen-free silver-bearing coppers,the designation OFS (oxygen-fre
22、e, silver-bearing) will be usedas shown in Classification B224 and will include the UNS Nos.C10400, C10500, and C10700 as defined by the agreed silvercontent.6.3 Silver-bearing tough-pitch copper corresponds to thedesignation STP (silver-bearing tough-pitch) as shown inClassification B224 and to cop
23、pers having UNS Nos. C11300,C11400, C11500, and C11600.6.4 Oxygen ContentOxygen-free copper as describedherein is defined as a copper containing not in excess of0.0010 % (10 ppm) oxygen and produced without the use ofmetallic or other deoxidizers.7. Physical Property Requirements7.1 Electrical Resis
24、tivityResistivity of the copper in theannealed condition (See Note X1.1 and Table 2) shall notexceed the following values at 20 C:Type of CopperResistivity, max, at 20 CAnnealed, g/m2UNS C10100 only 0.15176 (101.00 % IACS min)All others 0.15328 (100.00 % IACS min)8. Mechanical Property Requirements8
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