1、Designation: B301/B301M 08B301/B301M 13Standard Specification forFree-Cutting Copper Rod, Bar, Wire, and Shapes1This standard is issued under the fixed designation B301/B301M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the yea
2、r of last revision. A number in parentheses 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 Department of Defense.1. Scope*1.1 This specification establishes
3、the requirements for free-cutting copper rod, bar, wire, and shapes of UNSAlloy Nos. C14500,C14510, C14520, C14700, and C18700, suitable for high-speed screw machine work or for general applications.1.2 Typically, product made to this specification is furnished as straight lengths. Sizes 12 in. 12 m
4、m and under may befurnished in coils when requested.1.3 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text,SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall
5、 be usedindependently of the other. Combining values from the two systems may result in non-conformance with the standard.2. Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical Conductor MaterialsB249/B249M Specification for General Requirements for Wrought Copper
6、and Copper-Alloy Rod, Bar, Shapes and ForgingsB250/B250M Specification for General Requirements for Wrought Copper Alloy WireE8B950 Test Methods for Tension Testing of Metallic MaterialsGuide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE8ME8/E8M Test Method
7、s for Tension Testing of Metallic Materials Metric (Withdrawn 2008)E121 Test Methods for Chemical Analysis of Copper-Tellurium Alloys (Withdrawn 2010)3E478 Test Methods for Chemical Analysis of Copper Alloys3. General Requirements3.1 The following sections of Specifications B249/B249M or B250/B250M
8、constitute a part of this specification.:specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Dimensions and Permissible Variations,3.1.4 Workmanship, Finish, and Appearance,3.1.5 Sampling,3.1.6 Number of Tests and Retests,3.1.7 Specimen Preparation,3.1.8 Test Methods,3.1.9 Inspecti
9、on,3.1.10 Significance of Numerical Limits,3.1.11 Rejection and Rehearing,3.1.12 Certification,3.1.13 Test Reports,1 This specification is under the jurisdiction ofASTM Committee B05 on Copper and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,Wire, Shapes and Forgi
10、ngs.Current edition approved April 1, 2008Oct. 1, 2013. Published May 2008November 2013. Originally approved in 1955. Last previous edition approved in 20042008 asB301/B301M 04.B301/B301M 08. DOI: 10.1520/B0301_B0301M-08.10.1520/B0301_B0301M-13.2 For referencedASTM standards, visit theASTM website,
11、www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 The last approved version of this historical standard is referenced on www.astm.org.This document is not an ASTM s
12、tandard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all c
13、ases only the current versionof the standard as published by ASTM is to be considered the official document.*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 States13.1.14 Packag
14、ing and Package Marking, and3.1.15 Supplementary Requirements.3.2 In addition, when a section with a title identical to that referenced in 3.1 appears in this specification, it contains additionalrequirements which supplement those appearing in Specifications B249/B249M or B250/B250M.4. Ordering Inf
15、ormation4.1 Include the following information in orders for products:specified choices when placing orders for products under thisspecification, as applicable:4.1.1 ASTM designation and year of issue,4.1.2 Copper UNS No. designation,4.1.3 Product (rod, bar, wire, or shape),4.1.4 Cross section (round
16、, hexagonal, square, and so forth),4.1.5 Temper (Section 6),4.1.6 Dimensions, diameter or distance between parallel surfaces; width and thickness,4.1.7 How furnished: straight lengths, coils, or reels,4.1.8 Length (Section 9.3),4.1.9 Total length, or number of pieces of each size,4.1.10 Total weight
17、 of each size, and4.1.11 When product is purchased for agencies of the U.S. government (Specifications Intended application.B249/B249M orB250/B250M).4.2 The following options are available and should be but may not be included unless specified at the time of placing of theorder when required:4.2.1 C
18、ertification (Specifications B249/B249M or B250/B250M),4.2.2 Mill Test Reports (Specifications B249/B249M or B250/B250M),4.2.3 Yield strength tests (Section 8),4.2.4 Resistivity tests (Section 7), and4.2.5 Automatic screw machine use (9.4).), and4.2.6 When product is purchased for agencies of the U.
19、S. Government (Specifications B249/B249M or B250/B250M).5. Chemical Composition5.1 The material shall conform to the chemical composition requirements in Table 1 for the UNS No. designation specified inthe ordering information.5.2 These composition limits do not preclude the presence of other elemen
20、ts. Limits may be established and analysis requiredfor unnamed elements by agreement between the manufacturer and the purchaser.TABLE 1 Chemical RequirementsElementComposition, %Copper or Copper Alloy UNS No.C14500A C14510 C14520 C14700A C18700Tellurium 0.400.7 0.300.7 0.400.7 . . . . . .Sulfur . .
21、. . . . . . . 0.200.50 . . .Lead . . . 0.05 max . . . . . . 0.81.5Phosphorus 0.0040.012 0.0100.030 0.0040.020 0.0020.005 . . .Copper (incl silver) 99.90 minB 99.85 minB 99.90 minB 99.90 minC 99.5 minDTABLE 1 Chemical RequirementsElementComposition, %Copper or Copper Alloy UNS No.C14500A C14510 C1452
22、0 C14700A C18700Tellurium 0.400.7 0.300.7 0.400.7 . . . . . .Sulfur . . . . . . . . . 0.200.50 . . .Lead . . . 0.05 max . . . . . . 0.81.5Phosphorus 0.0040.012 0.0100.030 0.0040.020 0.0020.005 . . .Copper (incl silver) 99.90 minB 99.85 minB 99.90 minB 99.90 minC 99.5 minDA Includes oxygen-free or de
23、oxidized grades with deoxidizers (such as phosphorus, boron, lithium, or other) in an amount agreed upon.B Includes tellurium and phosphorus.C Includes sulfur and phosphorus.D Includes lead.B301/B301M 1326. Temper6.1 The standard tempers for products described in this specification are given in Tabl
24、e 2.6.1.1 Rod (round, hexagonal, and octagonal) shall be furnished in H02 (half-hard) temper for general use and applicationsinvolving moderate cold forming and in H04 (hard) temper (round only) for applications that require maximum strength andresistance to bending under cutting-tool pressure.6.1.2
25、 Bar shall be furnished in H04 (hard) temper only.6.1.3 Wire shall be furnished in H02 (half-hard) or H04 (hard) temper.6.2 Other tempers, and temper for other products including shapes, shall be subject to agreement between the manufacturer andthe purchaser.7. Physical Property Requirements7.1 Elec
26、trical Requirements:7.1.1 The product produced from Copper UNS Nos. C14500, C14520, C14700, and C18700 shall conform to the followingelectrical requirements, when tested in accordance with Test Method B193, at a temperature of 68F 20C.TABLE 2 Tensile RequirementsTemper Designation Diameter or Distan
27、ce BetweenParallel Surfaces,A in. mmTensile Strength, min Yield Strength at 0.5 % ExtensionUnder Load,B min Elongation in 4 diameter orthickness of specimen,Cmin, %Standard Former ksi MPa ksi MPaHO2 half-hard Rod:116 to 14 1.5 to 6.5, incl 38 260 30 205 8over 14 to 258 6.5 to 67, incl 38 260 30 205
28、12Wire:116 to 12 1.5 to 12, incl 38 260 6HO4 hard Rod (round only):116 to 14 1.5 to 6.5, incl 48 330 40 275 4over 14 to 114 6.5 to 32, incl 44 305 38 260 8over 114 to 3 32 to 76, incl 40 275 35 240 8Bar:over 0.188 to 38 5 to 10, incl 42 290 35 240 10over 38 to 12 10 to 12, incl 40 275 32 220 10over
29、12 to 2 12 to 50, incl 33 225 18 125 12over 2 to 4 50 to 100, incl 32 220 15 105 12Wire:116 to 12 1.5 to 12, incl 48 330 . . 4TABLE 2 Tensile RequirementsTemper Designation Diameter or Distance BetweenParallel Surfaces,A in. mmTensile Strength, min Yield Strength at 0.5 % ExtensionUnder Load,B min E
30、longation in 4 diameter orthickness of specimen,Cmin, %Code Name ksi MPa ksi MPaHO2 half-hard Rod:116 to 14 1.5 to 6.5, incl 38 260 30 205 8over 14 to 258 6.5 to 67, incl 38 260 30 205 12Wire:116 to 12 1.5 to 12, incl 38 260 6HO4 hard Rod (round only):116 to 14 1.5 to 6.5, incl 48 330 40 275 4over 1
31、4 to 114 6.5 to 32, incl 44 305 38 260 8over 114 to 3 32 to 76, incl 40 275 35 240 8Bar:over 0.188 to 38 5 to 10, incl 42 290 35 240 10over 38 to 12 10 to 12, incl 40 275 32 220 10over 12 to 2 12 to 50, incl 33 225 18 125 12over 2 to 4 50 to 100, incl 32 220 15 105 12Wire:116 to 12 1.5 to 12, incl 4
32、8 330 . . 4A For rectangular bar, the Distance Between Parallel Surfaces refers to thickness.B Not determined unless specifically requested.C In any case, a minimum gage length of 1 in. 25 mm shall be used.B301/B301M 133UNS No. Resistivity, max, , g/m2 Conductivity, min, % IACSAC14500 0.180 33 85.0C
33、14520 0.204 37 75.0C14700 0.170 30 90.0C18700 0.170 30 90.0_UNS No. Resistivity, max, , g/m2 Conductivity, min, % IACSAC14500 0.180 33 85.0C14520 0.204 37 75.0C14700 0.170 30 90.0C18700 0.170 30 90.0A International Annealed Copper Standard.7.1.2 Copper UNS No. C14510 is not intended for electrical a
34、pplications. This alloy, therefore, has no electrical requirements.7.1.3 Electrical resistivity tests need not be made except when indicated by the purchaser at the time of placing the order. Theelectrical resistivity tests shall be made on annealed test specimens.8. Mechanical Property Requirements
35、8.1 The product shall conform to the tensile strenghstrength and elongation requirements of Table 2 when tested in accordancewith Test Methods E8E8/E8M and E8M.8.2 When specified in the contract or purchase order, the yield strength shall be determined and conform with the yield strengthrequirements
36、 of Table 2 when tested in accordance with Test Methods E8E8/E8M and E8M.9. Dimensions, Mass, and Permissible Variations9.1 The dimensions and tolerances for materialproduct described by this specification shall be as specified in SpecificationsB249/B249M or B250/B250M with particular reference to t
37、he following tables and related paragraphs in those specifications.9.2 Diameter or Distance Between Parallel Surfaces:9.2.1 Rod (Round, Hexagonal, and Octagonal)See 6.2 and Table 1 of Specification B249/B249M.9.2.2 Bar (Rectangular and Square)See 6.2 and Tables 7 and 10 of Specification B249/B249M.9
38、.2.3 WireSee 6.2 and Table 1 of Specification B250/B250M.9.3 LengthsH04 (hard) temper bar, unless otherwise specified, and all rod shall be furnished in straight lengths. See 6.3 andTables 13 and 14 of Specification B249/B249M.9.4 StraightnessSee 6.4 and Table 16 of Specification B249/B249M.9.4.1 Ge
39、neral use straightness tolerances will apply unless rod is specified for automatic screw machine use at the time ofplacing the order.9.5 Edge ContoursSee 6.5 of Specification B249/B249M.10. Test Methods10.1 Chemical Analysis:10.1.1 Composition shall be determined, in case of disagreement, as follows
40、:In cases of disagreement, test methods for chemicalanalysis shall be subject to agreement between the manufacturer or supplier and purchaser. The following table is a list of publishedtest methods some of which are considered by ASTM as noB301/B301M 134longer viable. These, and others not listed, m
41、ay be used subject to agreement.Element Test MethodsCopper E478Phosphorus E478Tellurium E121Lead E478Element Test MethodsCopper E478Phosphorus E478Tellurium E121Lead E47811. Keywords11.1 free-cutting copper rod and bar; free-cutting copper wire; lead-bearing copper rod and bar; screw machine work;te
42、llurium-bearing copper rod and bar; UNS No. C14500; UNS No. C14510; UNS No. C14520; UNS No. C14700; UNS No.C18700SUMMARY OF CHANGESCommittee B05 has identified the location of selected principal changes to this standard specification that havebeen incorporated since the last2008 issue (asB301/B301M
43、04) that may impact the use of this standard.(Approved April 1, 2008.) follows:(1) Revised footnote B insections editorially per Table 1Guide B950.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users o
44、f this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every fiv
45、e years andif not revised, either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical co
46、mmittee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA
47、19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).B301/B301M 135
