1、Designation: B 188 02Standard Specification forSeamless Copper Bus Pipe and Tube1This standard is issued under the fixed designation B 188; 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 pare
2、ntheses indicates the year of last reapproval. Asuperscript epsilon (e) 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 the requirements for seam-less cop
3、per 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:2PreviouslyCopper Used Desig-UNS No.2nation Type of CopperC10100 OFE Oxygen-free, electronicC10200 OF Oxygen-free without residual d
4、eoxidantsC10300 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 otherwise specified, any one of the above cop-pers may
5、 be furnished.1.3 The values stated in inch-pound units are the standard.The SI values given in parentheses are for information only.2. Referenced Documents2.1 ASTM Standards:B 193 Test Method for Resistivity of Electrical ConductorMaterials3B 428 Test Method for Angle of Twist in Rectangular andSqu
6、are Copper and Copper Alloy Tube4B 577 Test Methods for Detection of Cuprous Oxide (Hy-drogen Embrittlement Susceptibility) in Copper4B 601 Classification for Temper Designations for Copperand Copper AlloysWrought and Cast4B 846 Terminology of Copper and Copper Alloys4E 8 Test Methods for Tension Te
7、sting of Metallic Materials5E 18 Test Methods for Rockwell Hardness and RockwellSuperficial Hardness of Metallic Materials5E 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications6E 53 Test Methods for Determination of Copper in Unal-loyed Copper by Gravime
8、try7E 62 Test Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)7E 243 Practice for Electromagnetic (Eddy-Current) Exami-nation of Copper and Copper-Alloy Tubes8E 255 Practice for Sampling Copper and Copper Alloys forDetermination of Chemical Composition7E 527 Practice fo
9、r Numbering Metals and Alloys (UNS)93. Terminology3.1 For definitions of terms related to copper and copperalloys, refer to Terminology B 846.3.2 Definitions:3.2.1 bus pipe or tubea high conductivity copper tubularproduct used as an electrical conductor.4. Ordering Information4.1 Include the followi
10、ng information when placing ordersfor product under this specification:4.1.1 ASTM designation and year of issue,4.1.2 Copper UNS designation,4.1.3 Temper (Section 7),4.1.4 Dimensions and form (Section 14),4.1.5 Length (Section 14),4.1.6 Total quantity of each size (Table 1),4.1.7 Quantity of each it
11、em,4.2 The following options are available under this specifi-cation and should be specified in the contract or purchase orderwhen required:4.2.1 Bend test (Section 10),4.2.2 Hydrogen embrittlement susceptibility test (Section12),1This specification is under the jurisdiction of ASTM Committee B05 on
12、 Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved April 10, 2002. Published June 2002. Originallypublished as B 188 44 T. Last previous edition B 188 00.2The UNS system for copper and copper alloys (see Practice E 527) is a simp
13、leexpansion of the former standard designation system accomplished by the additionof a prefix “C” and a suffix “00.” The suffix can be used to accommodatecomposition variations of the base alloy.3Annual Book of ASTM Standards, Vol 02.03.4Annual Book of ASTM Standards, Vol 02.01.5Annual Book of ASTM
14、Standards, Vol 03.01.6Annual Book of ASTM Standards, Vol 14.02.7Annual Book of ASTM Standards, Vol 03.05.8Annual Book of ASTM Standards, Vol 03.03.9Annual Book of ASTM Standards, Vol 01.01.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbo
15、r Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.2.3 Microscopical examination (Section 11),4.2.4 Tension testing (Section 9),4.2.5 Eddy-current test (Section 13),4.2.6 Certification (Section 23),4.2.7 Mill test report (Section 24), and4.2.8 Special packaging, if required (Sec
16、tion 25).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 soundness as to be suitable for processing into lengths ofpi
17、pe or tube for the intended application.5.2 Manufacture:5.2.1 The material shall be manufactured by such hot-working, cold-working, and annealing processing as to producea uniform, seamless wrought structure in the finished product.5.2.2 The method of manufacture shall be such that thefinished mater
18、ial conforms to the specified temper properties(see 7.1).6. Chemical Composition6.1 The material shall conform to the requirements in Table2 for the copper UNS No. specified in the ordering information.6.2 These composition limits do not preclude the presenceof other elements. Limits for unnamed ele
19、ments may beestablished and analysis required by agreement between themanufacturer or supplier and purchaser.7. Temper7.1 The material shall be furnished in either the O60 (softanneal) or H80 (hard drawn) temper as defined in ClassificationB 601. The requirements are specified in Table 3.8. Electric
20、al Resistivity Requirements8.1 The material shall conform to the maximum electricalresistivity requirements prescribed in Table 3.9. Mechanical Property Requirements9.1 The product shall conform to the mechanical propertyrequirements prescribed in Table 3.9.1.1 Tension testing for tensile and elonga
21、tion informationneed not be performed except when indicated 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.9.2 All test specimens shall be tested in full size whenpracticable. When a machined specimen becomes necessaryfor
22、any test required under this specification, enough metalTABLE 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 Diameter Inside Diameter Wall Thickn
23、essRegular14 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(33.4) 1.063(27.0) 0.126(3.20) 0.
24、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 3.500(88.9) 3.062(77.8) 0.219(5.56
25、) 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 8.625 (219) 8.001 (203) 0.312(7.92) 8
26、.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(1.41) 0.847(1.26)12 0.840(21.3) 0.54
27、2(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) 1.08(6.97) 4.19(6.23)2 2.375(60.3)
28、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) 4.46(28.8) 17.3(25.7)5 5.562 (141) 4
29、.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)A1 in.2= 1 270 000 cmil.B188022shall be suitably removed from the sample to me
30、et thelimitations of the testing facilities.10. Bend Test Requirements10.1 The product shall conform to the bend testing require-ments prescribed in Table 3.10.1.1 Bend testing need not be performed except whenindicated by the purchaser at the time of placing the order (see4.2.4).11. Microscopical E
31、xamination11.1 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 Method B 577. In case of adispute, a referee method in accordance with Procedure C shallbe used.11.1
32、.1 The test need not be performed except when indi-cated at the time of placing the order (see 4.2.3).12. Hydrogen Embrittlement Susceptibility Test12.1 When tested, material designated as Copper UNS Nos.C10100, C10200, C10300, C10400, C10500, C10700, andC12000 shall pass the embrittlement test of P
33、rocedure B ofTest Method B 577. The actual performance of this test is notmandatory under the terms of this specification unless specifiedin the ordering information (see 4.2.3). In case of dispute, aTABLE 2 Chemical RequirementsNOTE 1If the type of silver-bearing copper is not specified (that is, w
34、hether 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 C11300CC11400CC11600CC12000Copper (incl silver), min 99.99D99.95 99.95E99.95 99.95 99.95 9
35、9.90 99.90 99.90 99.90 99.90PhosphorusA. 0.0010.005. . . . . . . 0.0040.0012Oxygen, max. 0.0005 0.0010 . 0.0010 0.0010 0.0010 . . . . .SilverA. . 8F10F25F. 8F10F25F.AImpurity maximums in ppm of C10100 shall be: antimony 4, arsenic 5, bismuth 1.0, cadmium 1, iron 10, lead 5, manganese 0.5, nickel 10,
36、 phosphorus 3, selenium3, 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 equivalent to C10200plus the intentional addition of silver.CC11300, C11400, C115
37、00, 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 “impurity total” and 100 %.ECopper (includes silver) + phosphorus, min.FValues
38、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 Strength ksi(MPa)BElongationin 2 in. (51mm), min, %Bend TestAngle ofBend,Electrical ResistivityBmax at 20C (68F),Vg
39、/m2RockwellHardness (FScale) 60-kgLoad116-in.BallCopper UNS No.Standard Former min max C10100C10200,C10400,C10500,C10700,C11000,C11300,C11400,andC11600C10300 C12000O60 Soft All types, all sizes . 37 (255) 25 180 0.15176 0.15328 0.15614 0.17031 50 maxH80 Hard Rectangular or square:up to 6-in. (152-mm
40、) 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 minover 6-in. (152-mm) major out-side dimension32 (220) . 20 . 0.15425 0.15577 0.15940
41、 0.17418 65 minRound (pipe and tube):up to 4-in. (102-mm) outsidediameter, 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 minASee 6.1.BSee Appendix X2.B188023referee method in accordance with Procedure
42、C of MethodB 577 shall be employed.13. Nondestructive Testing13.1 When specified (see 4.2.5), the product shall be testedin the final size but may be tested before the final anneal or heattreatment, when these thermal treatments are required, unlessotherwise agreed upon by the manufacturer or suppli
43、er andpurchaser.13.2 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 the procedures
44、 ofPractice E 243 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.13.2.1 Notch-depth standards rounded to the nearest 0.001in. (0.025 mm) shall be 22
45、 % 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.13.2.2 Product that does not actuate the
46、 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 rejection. Signal
47、s 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.14. Dimensions, Weights, and Permissible V
48、ariations14.1 GeneralFor the purpose of determining conform-ance with the dimensional requirements given in this specifi-cation, any measured value outside the specified limitingvalues for any dimension may be cause for rejection.14.2 Dimensions and WeightsThe dimensions andweights for nominal or st
49、andard copper pipe of various outsidediameters shall be as prescribed in Table 1.14.3 Weight TolerancesThe weight of the nominal orstandard pipe shall not vary from the theoretical weight perfoot prescribed in Table 1 by more than the following:Nominal or Standard Pipe Size, in. Weight Tolerance, %6 and under 5Over 6 to 8, incl 7Over 8 814.4 Thickness TolerancesThe wall thickness of nominalor standard pipe at any point shall not be less than thatprescribed in Table 3 by more than the following:Nominal or Standard Pipe Size, in. Thickness Toleranc
