1、Designation: B187/B187M 15B187/B187M 16Standard Specification forCopper, Bus Bar, Rod, and Shapes and General PurposeRod, Bar, and Shapes1This standard is issued under the fixed designation B187/B187M; the number immediately following the designation indicates the yearof original adoption or, in the
2、 case of revision, the year 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 U.S. Department of Defense.1. Scope*1.1
3、This specification2 establishes the requirements for copper conductor bar, rod, and shapes for electrical (bus) applicationsand rod, bar, and shapes for general applications.1.1.1 The products for electrical (bus) applications shall be made from the following coppers:3Copper UNS No.3 Reference Desig
4、nationC10100 OFEC10200 OFC10300 OFXLPC10400, C10500, C10700 OFSC10920, C10930, C10940 C11000 ETPC11300, C11400, C11500,C11600STPC12000 DLP1.1.1.1 The product may be furnished from any copper listed unless otherwise specified in the contract or purchase order.1.2 The product for general applications
5、shall be made from any of the coppers in 1.1.1 or the following coppers:Copper UNS No.3 Reference DesignationC10800 OFLPC12200 DHP1.2.1 The product may be furnished from any copper listed above unless otherwise specified in the contract or purchase order.Other coppers may be used upon agreement betw
6、een supplier and purchaserer.1.3 UnitsThe values stated in either inch-pound units or in SI units are to be regarded separately as the standard. Within thetext, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shallbe used indepen
7、dently of the other. Combining values from the two systems may result in nonconformance with the specification.NOTE 1Material for hot forging will be found in Specification B124/B124M.2. Referenced Documents2.1 ASTM Standards:4B124/B124M Specification for Copper and Copper Alloy Forging Rod, Bar, an
8、d ShapesB170 Specification for Oxygen-Free Electrolytic CopperRefinery ShapesB193 Test Method for Resistivity of Electrical Conductor MaterialsB216 Specification for Tough-Pitch Fire-Refined CopperRefinery ShapesB224 Classification of CoppersB249/B249M Specification for General Requirements for Wrou
9、ght Copper and Copper-Alloy Rod, Bar, Shapes and Forgings1 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 Forgings.Current edition approved May 1, 2015April 1, 2016. Pub
10、lished June 2015June 2016. Originally approved in 1944. Last previous edition approved in 20112015 asB187/B187M 11.B187/B187M 15. DOI: 10.1520/B0187_B0187M-15.10.1520/B0187_B0187M-16.2 For ASME Boiler and Pressure Vessel Code applications, see related Specification SB-187 in Section II of that Code.
11、3 Refer to Practice E527 for an explanation of the Unified Numbering System.4 For referencedASTM standards, visit theASTM website, 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 th
12、e ASTM website.This document is not an ASTM standard 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 co
13、nsult prior editions as appropriate. In all cases 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 Conshohocke
14、n, PA 19428-2959. United States1B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in CopperB601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB900 Practice for Packaging of Copper
15、 and Copper Alloy Mill Products for U.S. Government AgenciesE53 Test Method for Determination of Copper in Unalloyed Copper by GravimetryE62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010)5E255 Practice for Sampling Copper and Copper Alloys for t
16、he Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper AlloysE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)E1004 Test Method for Determining Electrical Conductivity Using the Electromagnetic (Eddy-Current) MethodE2575 Test Metho
17、d for Determination of Oxygen in Copper and Copper Alloys3. Terminology3.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846.3.2 Definitions:3.2.1 bus bar, nincludes material of solid rectangular or square cross section or a solid section with two plane parallel
18、 surfacesand round or other simple regularly shaped edges up to and including 12 in. in width and 0.090 in. and over in thickness.3.2.2 bus conductor stock, na bar, rod, or shape of high conductivity copper used to make electrical conductors.3.2.3 bus rod, nincludes solid round and regular polygons
19、of six and eight sides.3.2.4 bus shapes, na solid section other than regular rod, bar, plate, sheet, strip, or flat wire, that may be oval, half oval, halfround, triangular, pentagonal, or of any special cross section furnished in straight lengths. Shapes shall not include tube and pipeor other holl
20、ow sections.3.3 Definitions of Terms Specific to This Standard:3.3.1 orange peel, nthe surface roughness resulting from working metal of large grain size. The surface is similar in textureto that of the outside surface of an orange.4. General Requirements4.1 The following sections of Specification B
21、249/B249M are a part of this specification:4.1.1 Terminology,4.1.2 Materials and Manufacture,4.1.3 Workmanship, Finish, and Appearance,4.1.4 Sampling,4.1.5 Number of Tests and Retests,4.1.6 Test Methods,4.1.7 Specimen Preparation,4.1.8 Significance of Numerical Limits,4.1.9 Inspection,4.1.10 Rejecti
22、on and Rehearing,4.1.11 Certification,4.1.12 Test Reports, and4.1.13 Packaging and Package Marking.4.2 Identical sections in this specification supplement the referenced section.5. Ordering Information5.1 Include the following information in orders for product under this specification:5.1.1 ASTM spe
23、cification designation and year of issue,5.1.2 Copper UNS No. (see 7.1 and Table 1),5.1.3 Temper required (see 8.1 and Table 2),5.1.4 Dimensions and form,5.1.5 When product is ordered for ASME Boiler and Pressure Vessel Code applications (see Section 16),5.1.6 Shapes; dimensional tolerances required
24、 and agreed upon (see 13.3),5.1.7 Quantity; number of pounds, pieces, or footage required,5.1.8 Length: stock or specific (see 13.5), and5.1.9 When material is purchased for agencies of the U.S. government (see Section 12).5 The last approved version of this historical standard is referenced on www.
25、astm.org.B187/B187M 1625.2 The following options are available and should be specified in the contract or purchase order when required:5.2.1 Heat identification or traceability details required,5.2.2 Hydrogen embrittlement test,5.2.3 Bend test,5.2.4 Certification,5.2.5 Mill test reports,5.2.6 Specia
26、l packaging requirements,5.2.7 Edges other than finished edges (see 6.2.1.2), and5.2.8 Edge contours other than square edge (see 13.7).6. Materials and Manufacture6.1 Material:6.1.1 The materials shall conform to the published compositional requirements of the Copper or Copper Alloy UNS No.designati
27、on specified in the ordering information.6.1.2 In the event heat identification or traceability is required, the purchaser shall specify the details desired.6.2 Manufacture:6.2.1 Edges:6.2.1.1 Bar shall be furnished with finished edges (see 13.7) unless otherwise specified at the time of order place
28、ment.6.2.1.2 Bar may be furnished with sawed edges and deburred corners upon agreement between the manufacturer or supplier andthe purchaser (see 5.2.7).7. Chemical Composition7.1 The specified copper shall conform to the chemical requirements prescribed in Table 1.7.2 These specification limits do
29、not preclude the possible presence of other elements. Limits for unnamed elements may beestablished and analysis required by agreement between the manufacturer or the supplier and the purchaser.TABLE 1 Chemical RequirementsNOTE 1If the type of silver-bearing copper is not specified (that is whether
30、tough pitch, phosphorized, or oxygen-free), any one of the three typesmay be supplied at the option of the manufacturer.Composition % Maximum (Unless shown as a range or minimum)CopperUNS No.Copper(Incl. Silver)Phos-phorusSilver Oxygen Tellurium TinC10100 99.99Amin B B B B BC10200 99.95Cmin . . 0.00
31、10 . .C10300 99.95Dmin 0.0010.005 . . . .C10400E 99.95Cmin . 8F 0.0010 . .C10500E 99.95Cmin . 10F 0.0010 . .C10700E 99.95Cmin . 25F 0.0010 . .C10800 99.95Dmin 0.0050.012 . . . .C10920 99.90 min . . 0.02 . .C10930 99.90 min . 13F 0.02 . .C10940 99.90 min . 25F 0.02 . .C11000 99.90 min . . G . .C11300
32、H 99.90 min . 8F G . .C11400H 99.90 min . 10F G . .C11500H 99.90 min . 16F G . .C11600H 99.90 min . 25F G . .C12000 99.90 min 0.0040.012 . . . .C12200 99.90 min 0.0150.040 . . . .A Copper value is determined by the difference between the impurity total and 100 %. The copper value is exclusive of Ag.
33、B Impurity maximums in ppm of C10100 shall be: antimony 4, arsenic 5, bismuth 1, cadmium 1, iron 10, lead 5, manganese 0.5, nickel 10, oxygen 5, phosphorus 3,selenium 3, silver 25, sulfur 15, tellurium 2, tin 2, and zinc 1.C Copper value is determined by the difference between the impurity total and
34、 100 %.D Copper (includes silver) + phosphorus, min.E C10400, C10500, and C10700 are oxygen-free coppers with the addition of a specified amount of silver. The compositions of these alloys are equivalent to C10200 plusthe intentional addition of silver.F Values are minimum silver in Troy ounces per
35、Avoidupois ton (1 oz/ton is equivalent to 0.0034 %).G Oxygen and trace elements may vary depending on the process.H C11300, C11400, C11500, and C11600 are electrolytic tough-pitch copper with silver additions. The compositions of these alloys are equivalent to C11000 plus theintentional addition of
36、silver.B187/B187M 1638. Temper8.1 Tempers available under this specification and as described in Classification B601 are as follows:Temper DesignationStandard FormerO60 soft annealH02 half hardH04 hard9. Physical Property Requirements9.1 Electrical ResistivityBar, rod, and shapes of alloys Copper UN
37、S Nos. C10100, C10200, C10300, C10400, C10500,C10700, C10920, C10930, C10940, C11000, C11300, C11400, C11500, C11600, and C12000 shall conform to the electricalresistivity limits prescribed in Table 2 for specified copper, temper, form, and size when determined in accordance with TestMethod B193.9.2
38、 Electrical ResistivityUnless otherwise specified in the contract or ordering information, the manufacturer has the optionof using Test Method E1004 to determine conformance to the electrical resistivity limits prescribed in Table 2 for Copper UNSNos. C10100, C10200, C10300, C10400, C10500, C10700,
39、C10920, C10930, C10940, C11000, C11300, C11400, C11500,C11600, and C12000. In case of dispute, Test Method B193 shall be used.10. Mechanical Property Requirements10.1 Tensile Requirements:10.1.1 The bars and rod shall conform to the tensile, yield, and elongation requirements of Table 2.10.1.1.1 For
40、 shapes, the tensile requirements (if any) shall be by agreement between the manufacturer and the purchaser.TABLE 2 Mechanical (All Alloys) and Electrical RequirementsA (Conductor Alloys Only)TemperDesignationTensileStrength,ksi, MPaBYieldStrength,ksi, MPaMinCElectrical Resistivity,E Max, g/m2 at 20
41、C 68FStandard FormerDiameter orDistance BetweenParallel Surfaces,in.Min Max MinElongationin 4 DiameterorThicknessofSpecimenMin. %DBendTestAngle ofBend C10100C10200,C10400,C10500,C10700,C10920,C10930,C10940,C11000,C11300,C11400,C11500,C11600C10300 C12000RockwellHardnessF Scale,60-kgLoad,116-in.BallO6
42、0 SoftannealRod and bar:All sizes 28 195 37 255 8 55C 25 180 0.15176 0.153 28 0.156 14 0.16661 50 maxH04 Hard Rod:Up to 38 10 incl. 45 310 60 410 12 120 0.15585 0.157 37 0.15940 0.17031 Over 38 10 to1 25 incl.40 275 55 380 12 120 0.15585 0.15737 0.15940 0.17031 80 minOver 1 25 to2 50 incl.35 240 50
43、345 15 120 0.15585 0.15737 0.15940 0.17031 75 minOver 2 50 to3 75 incl.33 230 48 330 15 120 0.15425 0.15577 0.15940 0.17031 65 minOver 3 75 30 205 48 330 15 120 0.15425 0.15577 0.15940 0.17031 Bar:H02 HalfHardUp to 38 10 incl.thickness and upto 4 110 incl.in width37.5 260 50 345 10 120 0.15585 0.157
44、37 0.15940 0.17031 80 minAll other sizes 33 230 50 345 15 120 0.15425 0.15577 0.15940 0.17031 65 minChannels, anglesand shapesNotestablishedFF 15 0.15425 0.15577 0.17031 A See 9.1.B ksi = 1000 psi.C Light-straightening operation is permitted.D In any case, a minimum gage length of 1 in. shall be use
45、d.E See Appendix X1.F Special agreement shall be made between the manufacturer or supplier and the purchaser.B187/B187M 16410.2 Rockwell HardnessRockwell hardness tests offer a quick and convenient method of checking copper of any temper forgeneral conformity to the requirements of tensile strength.
46、 The approximate Rockwell hardness values for the specified tempersare given in Table 2 for general information and assistance in testing.11. Performance Requirements11.1 Bending Requirements:11.1.1 When specified in the contract or purchase order, for bar, bus bar, flat wire, and rod, test specimen
47、s shall withstand beingbent cold (right way bend) through an angle as specified in Table 2 for the specified temper and size without fracture on the outsideof the bent portion and with no evidence of slivers, cracks, orange peel, or similar surface defects being visible to the unaided eye.11.1.2 The
48、 bend shall be made on a radius equal to the minimum cross-sectional dimension of the specimen, and this dimensionshall be radial to the bend.11.1.3 The axis of the bend shall be at an angle of 90 to the direction of rolling, drawing, or extrusion (right way bend).11.1.4 Edgewise and wrong way bend
49、test requirements for bar or bus bar shall be by agreement between the manufacturer orsupplier and the purchaser.11.2 Microscopical Examination:11.2.1 Copper UNS Nos. C10100, C10200, C10300, C10400, C10500, C10700, C10800, and C12000 shall be substantially freeof cuprous oxide as determined by Procedure A, Microscopical Examination, of Test Methods B577.11.2.2 In lieu of the Microscopic examination for copper C10100, C10200, C10300, C10400, C10500, C10700,
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