1、Designation: B 116 95 (Reapproved 2007)Standard Specification forFigure-9 Deep-Grooved and Figure-8 Copper Trolly Wire forIndustrial Haulage1This standard is issued under the fixed designation B 116; the number immediately following the designation indicates the year oforiginal adoption or, in the c
2、ase of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers figure-9 deep-section groovedand figure-8 copper trolley wire
3、for use in industrial haulage(Explanatory Note 1).1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.2. Referenced Documents2.1 ASTM Standards:2B9 Specification for Bronze Trolley WireB47 Specification for Copper Troll
4、ey WireB49 Specification for Copper Rod Drawing Stock forElectrical PurposesB 193 Test Method for Resistivity of Electrical ConductorMaterials3. Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Quantity of each size and section,3.1.2 W
5、ire size: circular-mil area (Section 6, Fig. 1 or Fig.2),3.1.3 Shape of section (Section 1),3.1.4 Type of copper, if special (Section 4),3.1.5 Package size (see 14.3),3.1.6 Lagging, if required (see 14.1),3.1.7 Relation between vertical axis of grooved wire andaxis of reel (see 14.1),3.1.8 Size of a
6、rbor hole if other than for a 212-in. (64-mm)shaft (see 14.2),3.1.9 Special package marking, if required (see 14.4), and3.1.10 Place of inspection (Section 12).4. Materials and Manufacturer4.1 The material shall be copper of such quality and puritythat the finished product shall have the properties
7、and charac-teristics prescribed in this specification.NOTE 1Specification B49defines the materials suitable for use.4.2 Copper bars of special qualities, forms, or types, as maybe agreed upon between the manufacturer and the purchaser,and that will conform to the requirements prescribed in thisspeci
8、fication may also be used.5. Tensile Properties5.1 Figure-8 wire shall conform to the requirements as totensile properties specified in Table 1.5.2 Figure-9 deep-section grooved wire shall conform to therequirements as to tensile properties specified in Table 2.5.3 Tests on a specimen of wire contai
9、ning a joint shallshow at least 95 % of the tensile strength specified in Table 1or Table 2, as may be applicable. Elongation tests shall not bemade on specimens containing joints.5.4 Tension tests shall be made on representative samples.The elongation shall be determined as the permanent increasein
10、 length, due to the breaking of the wire in tension, measuredbetween gage marks placed originally 10 in. apart upon the testspecimen (Explanatory Note 1). The fracture shall be betweenthe gage marks and not closer than 1 in. (25 mm) to either gagemark.5.5 The twist test shall be omitted.6. Sections6
11、.1 Standard sections of figure-8 trolley wire shall be thoseshown in Fig. 1.6.2 Standard sections of figure-9 deep-section grooved trol-ley wire shall be those shown in Fig. 2.7. Dimensions and Permissible Variations7.1 The size shall be expressed as the nominal area of crosssection in circular mils
12、.7.2 The standard sizes of figure-8 trolley wire shall be asspecified in Fig. 1.1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.04 onConductors of Copper and Copper Alloys.Current edition approved March
13、15, 2007. Published April 2007. Originallyapproved in 1939. Last previous edition approved in 2001 as B 116 95 (2001).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 t
14、o the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7.3 The standard sizes of figure-9 deep-section groovedtrolley wire shall be as specified in Fig. 2.7.4 The weight in pounds per
15、 mile in figure-8 and figure-9trolley wire calculated from the weight of a specimen not lessthan 18 in. (457 mm) in length shall not vary more than 65%from that specified in Fig. 1 and Fig. 2, respectively.7.5 Conformance of the trolley wire to the specified dimen-sions shall be determined by taking
16、 the measurements shown inFIG. 1 Standard Sections Figure-8 Trolley WireFIG. 2 Standard Sections Figure-9 Deep-Section Grooved Trolley WireB 116 95 (2007)2Fig. 1 and Fig. 2 under heading, “Dimensions for Inspection,in.” The shape of the groove for figure-9 trolley wire shall bechecked with the“ go”
17、and“ no-go” slip gages described in Fig.3. The gages shall be applied to the ends of the samples takenfrom each reel. Samples shall be clean and ends free fromburrs. The groove shall be considered as conforming to thisspecification if the “go” gage can be pushed on the straightenedwire by hand and t
18、he “no-go” gage cannot be pushed on thewire.8. Resistivity8.1 Electrical resistivity shall be determined on representa-tive samples by resistance measurements (Explanatory Note 2).At a temperature of 20C the resistivity shall not exceed900.77V lb/mile.28.2 The electrical resistivity of the material
19、shall be deter-mined in accordance with Test Method B 193.TABLE 1 Tensile Requirements for Figure-8 WireNominal Area,cmilsTensileStrength,min, psiElongationin 10 in.,min, %350 000 42 800 4.50211 600 46 600 3.75167 800 48 500 3.25133 100 50 200 2.80105 600 51 800 2.40TABLE 2 Tensile Requirements for
20、Figure-9 WireNominal Tensile ElongationArea, Strength, in 10 in.,cmils min, psi min %400 000350 00041 30042 8004.504.50FIG. 3 Slip Gage for Testing Groove of Trolley WireB 116 95 (2007)39. Density9.1 For the purpose of calculating weights, cross sections,etc., the density of the copper shall be take
21、n as 8.89g/cm3(0.32117 lb/in.3) at 20C (Explanatory Note 3).10. Joints10.1 No joints shall be made in the completed wire. Joints inthe wire and rods made prior to final drawings shall be inaccordance with the best commercial practice, and shall becapable of meeting the tensile strength requirements
22、in 5.3.11. Workmanship, Finish, and Appearance11.1 The wire shall be of uniform size, shape, and qualitythroughout, and shall be free from all scale, flaws, splits, andscratches not consistent with the best commercial practice.12. Inspection12.1 All tests governing the acceptance or rejection of the
23、wire, unless otherwise specified, shall be made at the place ofmanufacture with apparatus furnished by the manufacturer andin the presence of the purchaser or his representative, who shallbe furnished a copy of the tests. The manufacturer shall affordthe inspector representing the purchaser all reas
24、onable facili-ties, without charge, to satisfy him as to the reliability of theresults before the wire is delivered. If the purchaser waivesinspection, and if he so elects at that time, he shall be furnishedwith a certified copy of tests made by the manufacturer.13. Rejection13.1 Any reel of wire th
25、at fails to conform to the require-ments prescribed in this specification may be rejected. Failureof 30 % of the number of reels ready for inspection at one timeshall be deemed sufficient cause for rejection of the whole lot.14. Packaging and Package Marking14.1 All wire shall be shipped on substant
26、ial reels, suitablefor the weight of the wire handled, and shall be well protectedfrom injury. The diameter of the reel drums shall be sufficientlylarge, not less than 30 in. (762 mm), to eliminate difficulty withwaves or kinks when the wire is strung. If reels are to belagged, it shall be so specif
27、ied by the purchaser. The wire shallbe reeled with turns tightly together, in uniform layers, freefrom kinks and crosses. The relation between the vertical axisof grooved wire as finally strung and the axis of the reel shallbe as specified by the purchaser and shall be approximatelyconstant.14.2 The
28、 ends of the wire shall be securely fastened to thesides of the reel with no less than six staples. The staples shallbe at least 2 in. (50 mm) in length and made from wire not lessthan 0.145 in. (3.7 mm) in diameter. Care shall be exercised instapling so that there is no damage to the surface of the
29、 exposedlayer of wire. All reels shall have the arbor holes reinforcedwith steel plate at least12 in. (12 mm) in thickness. Unlessotherwise specified, round arbor holes shall be for a 212-in.(63.5-mm) shaft.14.3 The length or the weight of wire to be wound uponeach reel shall be agreed upon between
30、the manufacturer andthe purchaser in placing individual orders.14.4 Reels shall be marked legibly and indelibly with theserial number, size, kind, length, and weight of wire, and suchother information as is specified by the purchaser.EXPLANATORY NOTESNOTE 1Figure-8 trolley wire is used almost exclus
31、ively in slow-speedindustrial haulage applications, usually in connection with groovedcollectors or trolley wheels. The figure-9 deep-section grooved trolleywire supplements the figure-8 design in the largest sizes and is designedfor use with trolley wheels or grooved collectors. The “American Stand
32、ardGrooved Trolley Wire Sections” (the Standard Design of the AmericanTransit Engineering Association) are prescribed in Specifications B 9 andB47. These sections are designed for sliding and roller type collectors aswell as for grooved and wheel type collectors, the section being wider inproportion
33、 to the depth.NOTE 2It is known that the rapidity with which load is applied to asample during tension testing affects the performance of the sample to agreater or lesser extent, depending upon many factors. In general, testedvalues of tensile strength are increased and elongation values are reduced
34、with increase in speed of the moving head of the testing machine.However, there are speeds below which no practical change is observable.It is suggested that tests be made at speeds of moving head that, underno-load conditions, are not greater than 3 in. min, but in no case at a speedgreater than th
35、at at which correct readings can be made. No minimumrestriction on speed of testing seems necessary.NOTE 3“Resistivity” is used in place of “percentage conductivity.”The value of 0.15328V g/m2at 20C is the international standard for theresistivity of annealed copper equal to 100 % conductivity. This
36、 termmeans that a wire1minlength and weighing 1 g would have a resistanceof 0.15328 V. This is equivalent to a resistivity value of 875.20 Vlb/mile2which signifies the resistance of a wire 1 mile in length weighing 1 lb. Itis also equivalent, for example, to 1.7241 V/cm of length of a bar 1 cm2in cr
37、oss section. A complete discussion of this subject is contained in NBSHandbook 1003of the National Bureau of Standards. Relationships thatmay be useful in connection with the values of resistivity prescribed in thisspecification are as follows, each column containing equivalent expres-sions, at 20C.
38、Conductivity as 20C, % 100.000 97.16Vlb/mile2875.20 900.77Vg/m20.15328 0.15755Vcmil/ft 10.371 10.674Vmm2/m 0.017241 0.017745Vin. 0.67879 0.69863Vcm 1.7241 1.7745NOTE 4The value of density of copper is in accordance with theInternational Annealed Copper Standard. The corresponding value at 0Cis 8.0 g
39、/cm3(0.32150 lb/in.3). As pointed out in the discussion of thissubject in NBS Handbook 100, there is no appreciable difference in valuesof density of hard-drawn and annealed copper wire.NOTE 5The values for area in square inches and circular mils as wellas the weight in pounds per mile are calculate
40、d from the dimensions givenin Fig. 1 and Fig. 2, respectively.3NBS Handbook 100, National Institute of Standards and Technology, availablefrom the National Technical Information Service, 5285 Port Royal Road, Spring-field, VA 22161.B 116 95 (2007)4ASTM International takes no position respecting the
41、validity of any patent rights asserted in connection with any item mentionedin this standard. Users of 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
42、subject to revision at any time by the responsible technical committee and must be reviewed every five 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 Head
43、quarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, 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 sta
44、ndard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 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).B 116 95 (2007)5
