1、Designation: B188 151Standard Specification forSeamless Copper Bus Pipe and Tube1This standard is issued under the fixed designation B188; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in paren
2、theses indicates the year of last reapproval. Asuperscript 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.1NOTETable 10 was editorially corrected in April 2016.1. Scope*1.1 This spec
3、ification establishes the requirements for seam-less copper bus pipe and tube intended for use as electricalconductors.1.1.1 The product shall be made from one of the followingcoppers, as denoted in the ordering information:2CopperUNS No.2PreviouslyUsedDesignationType of CopperC10100 OFE Oxygen-free
4、, electronicC10200 OF Oxygen-free without residual deoxidantsC10300 Oxygen-free, extra low phosphorusC10400, C10500,C10700OFS Oxygen-free, silver bearingC11000 ETP Electrolytic tough pitchC11300, C11400,C11600STP Silver-bearing tough pitchC12000 DLP Phosphorized, low residual phosphorus1.2 Unless ot
5、herwise specified, any one of the above cop-pers may be furnished.1.3 UnitsThe values stated in inch-pound units are to beregarded as standard. The values given in parentheses aremathematical conversions to SI units, which are provided forinformation only and are not considered standard.2. Reference
6、d Documents2.1 ASTM Standards:3B193 Test Method for Resistivity of Electrical ConductorMaterialsB428 Test Method for Angle of Twist in Rectangular andSquare Copper and Copper Alloy TubeB577 Test Methods for Detection of Cuprous Oxide (Hydro-gen Embrittlement Susceptibility) in CopperB601 Classificat
7、ion for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8/E8M 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 toDete
8、rmine Conformance with SpecificationsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE62 Test Methods for Chemical Analysis of Copper andCopperAlloys (Photometric Methods) (Withdrawn 2010)4E243 Practice for Electromagnetic (Eddy Current) Examina-tion of Copper and Copper-
9、Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)3. Terminology3.1 For definitions of terms related to copper and copperalloys, refer to Terminology B846.3.2 De
10、finitions of Terms Specific to This Standard:3.2.1 bus pipe or tubea high conductivity copper tubularproduct used as an electrical conductor.4. Ordering Information4.1 Include the following specified choices when placingorders for product under this specification, as applicable:4.1.1 ASTM designatio
11、n and year of issue,4.1.2 Copper UNS designation (1.1.1 and 1.2),4.1.3 Temper (Section 7),1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved May 1, 2015. Publis
12、hed June 2015. Originallyapproved in 1944. Last previous edition approved in 2010 as B188 10. DOI:10.1520/B0188-15E01.2The UNS system for copper and copper alloys (see Practice E527) is a simpleexpansion of the former standard designation system accomplished by the additionof a prefix “C” and a suff
13、ix “00.” The suffix can be used to accommodatecomposition variations of the base alloy.3For 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 Summar
14、y page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.*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 States14.1.4 Dimen
15、sions and form (Section 12),4.1.5 Length (Section 12),4.1.6 Quantitytotal weight or total length or number ofpieces of each size (Table 1),4.2 The following options are available but may not beincluded unless specified at the time of placing the order whenrequired:4.2.1 Bend test (Section 10),4.2.2
16、Hydrogen embrittlement susceptibility test (Section10),4.2.3 Microscopical examination (Section 10),4.2.4 Tension testing (Section 9),4.2.5 Eddy-current test (Section 11),4.2.6 Certification (Section 21),4.2.7 Test report (Section 22), and4.2.8 If the specification number is required to be shown ont
17、he packaging (Section 23.2).5. Materials and Manufacture5.1 Material:5.1.1 The material of manufacture shall be cast billet of oneof the UNS copper alloy numbers included in the scope, and asso specified in the contract or purchase order, and shall be ofsuch purity and soundness as to be suitable fo
18、r processing intolengths of pipe or tube for the intended application.5.2 Manufacture:5.2.1 The product shall be manufactured by such hot-working, cold-working, and annealing processes as to producea uniform, wrought, seamless structure in the finished product.5.2.2 The method of manufacture shall b
19、e hot or coldworking to the finished size, and subsequent annealing whenrequired to meet the temper properties specified (see 7.1).6. Chemical Composition6.1 The material shall conform to the chemical compositionrequirements in Table 2 for the copper UNS No. designationspecified in the ordering info
20、rmation.6.2 These composition limits do not preclude the presenceof other elements. By agreement between the manufacturer orsupplier and purchaser, limits may be established and analysisrequired for unnamed elements.7. Temper7.1 The standard tempers for products described in thisspecification are gi
21、ven in Table 3 as defined in ClassificationB601.7.1.1 Soft AnnealO60.7.1.2 Hard DrawnH80.TABLE 1 Dimensions and Weights of Copper Pipe, Nominal or Standard Pipe SizesANominal or StandardPipe Size, in.Dimensions, in. (mm)Cross-Sectional Area ofWall, in.2(mm2)Theoretical Weight, lb/ft(kg/m)Outside Dia
22、meter Inside Diameter Wall ThicknessRegular14 0.540(13.7) 0.376(9.55) 0.082(2.08) 0.118(0.761) 0.457(0.680)38 0.675(17.1) 0.495(12.6) 0.090(2.29) 0.165(1.06) 0.641(0.954)12 0.840(21.3) 0.626(15.9) 0.107(2.72) 0.246(1.59) 0.955(1.42)34 1.050(26.7) 0.822(20.9) 0.114(2.90) 0.335(2.16) 1.30(1.93)1 1.315
23、(33.4) 1.063(27.0) 0.126(3.20) 0.471(3.04) 1.82(2.71)114 1.660(42.2) 1.368(34.7) 0.146(3.71) 0.694(4.48) 2.69(4.00)112 1.900(48.3) 1.600(40.6) 0.150(3.81) 0.825(5.32) 3.20(4.76)2 2.375(60.3) 2.063(52.4) 0.156(3.96) 1.09(7.03) 4.22(6.28)212 2.875(73.0) 2.501(63.5) 0.187(4.75) 1.58(10.2) 6.12(9.11)3 3
24、.500(88.9) 3.062(77.8) 0.219(5.56) 2.26(14.6) 8.75(13.0)312 4.000 (102) 3.500(88.9) 0.250(6.35) 2.95(19.0) 11.4(17.0)4 4.500 (114) 4.000 (102) 0.250(6.35) 3.34(21.5) 12.9(19.2)5 5.562 (141) 5.062 (129) 0.250(6.35) 4.17(26.9) 16.2(24.1)6 6.625 (168) 6.125 (156) 0.250(6.35) 5.01(32.3) 19.4(28.9)8 8.62
25、5 (219) 8.001 (203) 0.312(7.92) 8.15(52.6) 31.6(47.0)10 10.750 (273) 10.020 (255) 0.365(9.27) 11.9(76.8) 46.2(68.7)12 12.750 (324) 12.000 (305) 0.375(9.52) 14.6(94.2) 56.5(84.1)Extra Strong14 0.540(13.7) 0.294(7.47) 0.123(3.12) 0.161(1.04) 0.625(0.930)38 0.675(17.1) 0.421(10.7) 0.127(3.23) 0.219(1.4
26、1) 0.847(1.26)12 0.840(21.3) 0.542(13.8) 0.149(3.78) 0.323(2.08) 1.25(1.86)34 1.050(26.7) 0.736(18.7) 0.157(3.99) 0.440(2.84) 1.71(2.54)1 1.315(33.4) 0.951(24.2) 0.182(4.62) 0.648(4.18) 2.51(3.73)114 1.660(42.2) 1.272(32.3) 0.194(4.93) 0.893(5.76) 3.46(5.15)112 1.900(48.3) 1.494(37.9) 0.203(5.16) 1.
27、08(6.97) 4.19(6.23)2 2.375(60.3) 1.933(49.1) 0.221(5.61) 1.50(9.68) 5.80(8.63)212 2.875(73.0) 2.315(58.8) 0.280(7.11) 2.28(14.7) 8.85(13.2)3 3.500(88.9) 2.892(73.6) 0.304(7.72) 3.05(19.7) 11.8(17.6)312 4.000 (102) 3.358(85.3) 0.321(8.15) 3.71(23.9) 14.4(21.4)4 4.500 (114) 3.818(97.0) 0.341(8.66) 4.4
28、6(28.8) 17.3(25.7)5 5.562 (141) 4.812 (122) 0.375(9.52) 6.11(39.4) 23.7(35.3)6 6.625 (168) 5.751 (146) 0.437(11.1) 8.50(54.8) 32.9(49.0)8 8.625 (219) 7.625 (194) 0.500(12.7) 12.8(82.6) 49.5(73.7)10 10.750 (273) 9.750 (248) 0.500(12.7) 16.1(104) 62.4(92.9)A1in.2= 1 270 000 cmil.B188 15128. Electrical
29、 Resistivity Requirements8.1 The product furnished shall conform to the maximumelectrical resistivity requirements prescribed in Table 3 whentested in accordance with Test Method B193.9. Mechanical Property Requirements9.1 Product furnished under this specification shall conformto the tensile and ha
30、rdness property requirements prescribed inTable 3.9.1.1 Tension testing for tensile and elongation informationneed not be performed except when specified by the purchaserat the time of placing the order (see 4.2.4).9.1.2 The tension test shall be used to resolve cases ofdispute.10. Performance Requi
31、rements10.1 Bend Test Requirements:10.1.1 The product shall conform to the bend testing re-quirements prescribed in Table 3.10.1.2 Bend testing need not be performed except whenspecified by the purchaser at the time of placing the order (see4.2.1).10.2 Microscopical Examination:TABLE 2 Chemical Requ
32、irementsNOTE 1If the type of silver-bearing copper is not specified (that is, whether tough-pitch, phosphorized, or oxygen-free) any one of the three typesmay be supplied at the option of the manufacturer.ElementComposition, %Copper UNS No.C10100AC10200 C10300 C10400BC10500BC10700BC11000 C11300CC114
33、00CC11600CC12000Copper (incl silver), min 99.99D99.95 99.95E99.95 99.95 99.95 99.90 99.90 99.90 99.90 99.90PhosphorusA. 0.0010.005. . . . . . . 0.0040.012Oxygen, max. 0.0005 0.0010 . 0.0010 0.0010 0.0010 . . . . .SilverA. . 8F10F25F. 8F10F25F.AImpurity maximums in ppm of C10100 shall be: antimony 4,
34、 arsenic 5, bismuth 1.0, cadmium 1, iron 10, lead 5, manganese 0.5, nickel 10, phosphorus 3, selenium 3,silver 25, sulfur 15, tellurium 2, tin 2, and zinc 1.BC10400, C01500, and C10700 are oxygen-free coppers with the addition of a specified amount of silver. The compositions of these alloys are equ
35、ivalent to C10200 plusthe intentional addition of silver.CC11300, 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 silver.DCopper shall be determined by difference between “
36、impurity total” and 100 %.ECopper (includes silver) + phosphorus, min.FValues are minimum silver in troy ounces per avoirdupois ton (1 oz/ton is equivalent to 0.0034 %).TABLE 3 Mechanical and Electrical PropertiesATemper DesignationClassification and SizeTensile Strengthksi (MPa)BElongationin 2 in.
37、(51mm), min, %Bend TestAngle ofBend,Electrical ResistivityBmax at 20C (68F),g/m2RockwellHardness (FScale) 60-kgLoad116-in.BallCopper UNS No.Code Name min max C10100C10200,C10400,C10500,C10700,C11000,C11300,C11400,andC11600C10300 C12000O60 SoftAnnealAll types, all sizes . 37 (255) 25 180 0.15176 0.15
38、328 0.15614 0.17031 50 maxH80 HardDrawnRectangular or square:up to 6-in. (152-mm) major out-side dimension, incl up to316-in. (4.8-mm) wall thickness,incl35 (240) . 8 . 0.15585 0.15737 0.15940 0.17418 75 minover316 -in. (4.8-mm) wall thick-ness33 (230) . 15 . 0.15521 0.15673 0.15940 0.17418 65 minov
39、er 6-in. (152-mm) major out-side dimension32 (220) . 20 . 0.15425 0.15577 0.15940 0.17418 65 minRound (pipe and tube):up to 4-in. (102-mm)outside diameter, incl40 (275) . 3 90 0.15713 0.15865 0.15940 0.17418 80 minover 4-in. (102-mm) outside diam-eter38 (260) . 6 . 0.15585 0.15737 0.15940 0.17418 75
40、 minASee 6.1.BSee Appendix X2.B188 151310.2.1 The test specimens of material designated as CopperUNS Nos. C10100, C10200, C10300, C10400, C10500,C10700, and C12000 shall be free of cuprous oxide asdetermined by Procedure A of Test Methods B577. In case ofa dispute, a referee method in accordance wit
41、h Procedure Cshall be used.10.2.2 The test need not be performed except when speci-fied at the time of placing the order (see 4.2.3).10.3 Hydrogen Embrittlement Susceptibility Test:10.3.1 When tested, material designated as Copper UNSNos. C10100, C10200, C10300, C10400, C10500, C10700,and C12000 sha
42、ll pass the embrittlement test of Procedure B ofTest Methods B577. The actual performance of this test is notmandatory under the terms of this specification unless specifiedin the ordering information (see 4.2.2). In case of dispute, areferee method in accordance with Procedure C of TestMethods B577
43、 shall be employed.11. Other Requirements11.1 Nondestructive Testing:11.1.1 When specified (see 4.2.5), the product shall betested in the final size but may be tested before the final annealor heat treatment, when these thermal treatments are required,unless otherwise agreed upon by the manufacturer
44、 or supplierand purchaser.11.1.2 Eddy-Current TestWhen specified, each piece ofproduct from18-in. (3.2-mm) up to and including 318-in.(79.4-mm) nominal outside diameter, or 212-in. (63.5-mm)distance between outside parallel surfaces, shall be subjected toan eddy-current test. Testing shall follow th
45、e procedures ofPractice E243 except for determination of “end effect.” Theproduct shall be passed through an eddy-current testing unitadjusted to provide information on the suitability of the productfor the intended application.11.1.3 Notch-depth standards rounded to the nearest 0.001in. (0.025 mm)
46、shall be 22 % of the nominal wall thickness.The notch depth tolerance shall be 60.0005 in. (0.013 mm).Alternatively, when the test is performed using speed-insensitive equipment that can select a maximum imbalancesignal, a maximum imbalance signal of 0.3 % shall be used.11.1.4 Product that does not
47、actuate the signaling device ofthe eddy-current test shall be considered as conforming to therequirements of this test. Product with discontinuities indicatedby the testing unit may be reexamined or retested, at the optionof the manufacturer, to determine whether the discontinuity iscause for reject
48、ion. Signals that are found to have been causedby minor mechanical damage, soil, or moisture shall not because for rejection of the product provided the dimensions ofthe product are still within prescribed limits and the product issuitable for its intended application.12. Dimensions, Weights, and Pe
49、rmissible Variations12.1 GeneralFor the purpose of determining conformancewith the dimensional requirements given in this specification,any measured value outside the specified limiting values forany dimension may be cause for rejection.12.2 Dimensions and WeightsThe dimensions andweights for nominal or standard copper pipe of various outsidediameters shall be as prescribed in Table 1.12.3 Weight TolerancesThe weight of the nominal orstandard pipe shall not vary from the theoretical weight perfoot prescribed in Table 1 by more than th
