1、Designation: B694 10B694 13Standard Specification forCopper, Copper-Alloy, Copper-Clad Bronze (CCB), Copper-Clad Stainless Steel (CCS), and Copper-Clad Alloy Steel(CAS) Sheet and Strip for Electrical Cable Shielding1This standard is issued under the fixed designation B694; the number immediately fol
2、lowing the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specifica
3、tion establishes the requirements for copper, copper alloy, copper-clad bronze (CCB), copper-clad stainlesssteel (CCS), and copper-clad alloy steel (CAS) materials, sheet, and strip, in various thicknesses, for use as electrostatic orelectromagnetic shielding for insulated power, control, instrument
4、ation, and communication cables.NOTE 1See Specification B736, for related standards for aluminum-based shielding materials.1.2 The products covered are the following:Copper or Copper AlloyUNS No.Type of ProductsC11000 copperC19400 copper-iron alloyC22000 copper-zinc alloy (commercial bronze)C23000 c
5、opper-zinc alloy (red brass)C66400 copper-zinc-iron-cobalt alloyC66410 copper-zinc-iron alloyC66430 copper-zinc-iron-tin alloyC71000 cupro-nickel 20 %. copper-clad bronze (CCB). copper-clad stainless steel (CCS). copper-clad alloy steel (CAS)1.3 The values stated in inch-pound units are to be regard
6、ed as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.3.1 The only exception is grain size, which is reported in SI (mm) units.1.4 This standard does not purport to address all of the safety co
7、ncerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A176 Specification for Stainless and Hea
8、t-Resisting Chromium Steel Plate, Sheet, and StripA505 Specification for Steel, Sheet and Strip, Alloy, Hot-Rolled and Cold-Rolled, General Requirements forB152/B152M Specification for Copper Sheet, Strip, Plate, and Rolled BarB193 Test Method for Resistivity of Electrical Conductor MaterialsB248 Sp
9、ecification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled BarB601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB736 Specification for Aluminum, Aluminum Alloy and Aluminum-Clad Steel Cable Shielding StockB846 Termin
10、ology for Copper and Copper Alloys1 This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition approved April 1, 2010April 1, 2013. Published May 2010April 2013. Orig
11、inally approved in 1981. Last previous edition approved in 20032010 asB694 03.B694 10. DOI: 10.1520/B0694-10.10.1520/B0694-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information,
12、refer to the standards Document Summary page on the 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
13、 changes accurately, ASTM recommends that users consult 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, 10
14、0 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E3 Guide for Preparation of Metallographic SpecimensE8 Test Methods for Tension Testing of Metallic MaterialsE54 Test Methods for Chemical Analysis of Special Brasses and Bronzes (Withdrawn 2002)3E62 Test Methods for C
15、hemical Analysis of Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010)3E75 Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn 2010)3E112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys for the D
16、etermination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper Alloys2.2 International Standards Organization (ISO) Standards:ISO 3110/2 Determination of Aluminum; Flame Atomic Absorption Spectrometric Method (TC/26 Ref. No. N698 E/F)43. General Requirements3.1 The following s
17、ections of Specification B248 constitute a part of this specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship, Finish, and Appearance,3.1.4 Samplingexcept for chemical analysis,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Methodsexcept for chemi
18、cal analysis,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Test Reports,3.1.13 Packaging and Package Marking, and3.1.14 Supplementary Requirements.3.2 In addition, when a section with a title identical to that referenced in 3.1 abo
19、ve, appears in this specification, it containsadditional requirements, which supplement those appearing in Specification B248.4. Terminology4.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846.5. Ordering Information5.1 Include the following information when pl
20、acing orders for product under this specification, as applicable:5.1.1 ASTM designation and year of issue,5.1.2 Quantity: total for each item, pounds (or kilograms),5.1.3 Name of material: cable shielding (or “cable wrap”),5.1.4 Form of material: strip,5.1.5 Type of product: (or abbreviation, in the
21、 case of clad materials) as listed in section 1.2,5.1.6 Alloy number when appropriate (see 1.2),5.1.7 Temper,5.1.8 Dimensions: thickness and width (see Section 12),5.1.9 How furnished: coils (rolls), traverse wound on reels or spools, etc.,5.2 The following options are available and should be specif
22、ied at the time of placing of the order when required:5.2.1 Whether electrical resistivity test is required for any item,5.2.2 Coil dimension: inner or outer coil diameter limitation, or both, if required,5.2.3 Weight of coils: coil weights or coil size limitations, if required,5.2.4 Cladding ratio
23、when appropriate (see 7.5.4),5.2.5 Certification, if required,5.2.6 Test Report, if required, and5.2.7 Special tests or exceptions, if any.3 The last approved version of this historical standard is referenced on www.astm.org.4 Available from American National Standards Institute (ANSI), 25 W. 43rd S
24、t., 4th Floor, New York, NY 10036, http:/www.ansi.org.B694 1326. Materials and Manufacture6.1 MaterialThe material of manufacture shall be of such purity and soundness as to be suitable for processing into theproducts prescribed herein.6.2 Manufacture:6.2.1 The copper and copper alloy product shall
25、be manufactured by such hot working, cold working, and annealing processesas to produce a uniform wrought structure in the finished product, and conform to the properties and characteristics prescribed inthe specification.6.2.2 Cladding metals as appropriate may be bonded to the specified base metal
26、 by any method that will produce a clad materialthat will conform to this specification.7. Chemical Composition7.1 The copper and copper-alloy materials shall conform to the chemical composition requirements in Table 1 for the copperalloy UNS No. designation specified in the ordering information.7.2
27、 Copper cladding shall be, unless otherwise specified, a copper conforming in chemical composition to that covered bySpecification B152/B152M. The grade provided shall be one of the following coppers, such that the final strip meets theconductivity and mechanical properties of this specification. Th
28、ese are:C10920C11000C11020C120007.3 These composition limits do not preclude the presence of other elements. By agreement between the manufacturer andpurchaser, limits may be established and analysis required for unnamed elements.7.4 Except for copper C11000, copper may be taken as the difference be
29、tween all the elements analyzed and 100 %.7.4.1 Alloys C19400, C22000, and C23000When all elements specified in Table 1 are determined, the sum of the results shallbe 99.8 % min.7.4.2 Alloys C66400, C66410, C66430, C64785, and C71000When all elements specified in Table 1 are determined, the sumof th
30、e results shall be 99.5 % min.7.5 Clad Metal:7.5.1 For stainless steel clad cores, the stainless steel shall conform in chemical composition to one established by SpecificationA176. If not specified on the purchase order, stainless steel in accordance with UNS No. S43000 (Type 430) shall be supplied
31、 asthe core material.7.5.2 For alloy steel clad cores, the steel shall conform in chemical composition to an alloy steel established by SpecificationA505. If not specified on the purchase order, alloy steel UNS No. G41300 shall be supplied.7.5.3 For bronze clad cores, the bronze shall conform in che
32、mical composition to the requirements of UNS No. C64785 listedin Table 1.TABLE 1 Chemical RequirementsElementComposition, %Copper or Copper Alloy UNS No.C11000 C19400 C22000 C23000 C66400 C66410 C66430 C71000C64785core ofCopper-CladBronzeCopper (inclsilver)99.90 min 97.0 min 89.091.0 84.086.0 remain
33、der remainder remainder remainder remainderIron . 2.12.6 0.05max0.05max1.31.7 1.82.3 0.60.9 1.0 max 0.02 maxLead, max . 0.03 0.05 0.05 0.015 0.015 0.05 0.05 0.015Tin . . . . 0.05max0.05max0.60.9 . 0.502.0Zinc . 0.050.20 remainder remainder 11.012.0 11.012.0 13.015.0 1.0 max 3.06.0Nickel (inclcobalt)
34、. . . . . . . 19.023.0 0.41.6Manganese . . . . . . . 1.0 max 0.201.0Phosphorus . 0.0150.15 . . . . 0.10max. 0.015 maxCobalt . . . . 0.300.7 . . . .Iron and cobalt . . . . 1.82.3 . . . .Silicon . . . . . . . . 0.15 maxAluminum . . . . . . . . 3.06.0B694 1337.5.4 Unless otherwise stated (see 5.2.4), t
35、he cladding ratio shall be one of the standard ratios listed in Table 2 and Table 3, andshall be expressed as XX/XX/XX, copper/bronze/copper, copper/stainless steel/copper, or copper/alloy steel/copper as appropriate.8. Temper8.1 As described in Classification B601, tempers furnished to this specifi
36、cation shall be:8.1.1 Copper C11000H00, H01, H02, and O61.8.1.2 Copper alloy C19400H02, O61, and O50.8.1.3 Copper alloy C22000H01, H02, and O81.8.1.4 Copper alloy C23000H01, H02, and O81.8.1.5 Copper alloy C66400, C66410, and C66430O60.8.1.6 Copper alloy C71000H01, H02, OS035, and OS015.8.1.7 Copper
37、-Clad SteelO61.8.1.8 Copper-Clad BronzeO61 and O81.TABLE 2 Tensile Strength Requirements and Approximate Hardness Values for Shielding Materials in Commonly Ordered TempersDescription Temper Designation Tensile Strength, ksiA (MpaB ) Approximate Rockwell HardnessCCopper or CopperAlloy UNS No. Type o
38、f Material Code Name Min MaxOther ScalesThicknesses0.020 in.Superficial 30TThicknesses0.012 in.Cold-Rolled Tempers:C11000 Copper H00 eighth hard 32 (220) 40 (275) F5482 up to 49H01 quarter hard 34 (235) 42 (290) F6084 1851H02 half hard 37 (255) 46 (315) F7789 4357Annealed Tempers:O61 annealed . 34 (
39、235) . .Annealed Tempers:C19400 Copper-iron alloy O61 annealedD 45 (310) 55 (380) . .O50 light annealedD 50 (345) 60 (415) . .Cold-Rolled Tempers:H02 half hard 53 (365) 63 (435) B4969 5263Cold-Rolled Tempers:C22000 Commercial bronze H01 quarter hard 40 (275) 50 (345) B2752 3853H02 half hard 47 (325)
40、 57 (395) B5063 5261Annealed Tempers:O81 quarter hard 39 (270) 46 (315) . .Cold-Rolled Tempers:C23000 Red brass H01 quarter hard 44 (305) 54 (375) B3358 4560H02 half hard 51 (350) 61 (420) B5668 5866Annealed Tempers:O81 quarter hard 44 (305) 54 (375) . .Annealed Tempers:C66400 Copper-zinc-iron-cobal
41、t alloy O60 softD 53 (365) 60 (415) . .C66410 Copper-zinc-iron alloy O60 softD 53 (365) 60 (415) . .C66430 Copper-zinc-iron-tin alloy O60 softD 59 (405) 69 (475) . 5969Cold-Rolled Tempers:C71000 Cupro-nickel 20 % H01 quarter hard 47 (325) 63 (435) B4572 4665H02 half hard 56 (385) 70 (485) B6478 5969
42、Annealed Tempers:OS035 0.0250.050 mm 52 (355) . B1835 2840OS015 0.0100.020 mm 53 (365) . B3588 4058Copper-Clad Stainless (CCS) and Copper-Clad Alloy Steel (CAS)CladdingRatioTotal Thicknessin. (mm) Annealed Tempers16/68/16 0.005 (0.13) O61 annealedD 55 (380) 68 (470) 15T 89 max .33.3/33.3/33.3 0.006
43、(0.15) O61 annealedD 44 (305) 15T 89 max .Copper-Clad Bronze (CCB)CladdingRatioTotal Thicknessin. (mm) Annealed Tempers12.5/75/12.5 E O61 annealedD 55 (380) 68 (470) 15T 89 max .O81 annealed to temperquarter hard62 (425) 75 (515) 15T 92 max .16/68/16 E O61 annealedD 55 (380) 68 (470) 15T 89 max .O81
44、 annealed to temperquarter hard62 (425) 75 (515) 15T 92 max .A ksi = 1000 psi.B See Appendix X3.C Rockwell values normally apply as follows: The B and F scales apply to metal 0.020 to 0.036 in. (0.5 to 0.91 mm) in thickness. The Superficial 30-T scale applies to metal0.012 to 0.028 in. (0.30 to 0.71
45、 mm) in thickness.D There is no grain size requirement but all annealed metal shall be fully recrystallized.E See Appendix X2, Table X2.1.B694 1349. Grain Size for Annealed Tempers9.1 There are no minimum or maximum grain size requirements for product in annealed tempers O50, O61, and O81; however,t
46、he metal shall be fully recrystallized.9.2 For copper alloy UNS No. C71000 in annealed tempers OS035 and OS015, acceptance or rejection based upon grain sizeshall depend only on the average grain size of a test specimen taken from each of two sample portions, and each specimen shallbe within the lim
47、its prescribed in Table 2 when determined in accordance with Test Method E112.10. Physical Property Requirements10.1 Electrical ResistivityConductivity Requirement:10.2 The annealed product furnished shall conform to the electrical mass Resistivity conductivity prescribed in Table 3 andTable 4.10.3
48、The electrical resistivity of the material shall be determined in accordance with Test Method B193; the conductivity shallbe calculated in accordance with Explanatory notes 3 and 4 of Test Method B193.11. Mechanical Property Requirements11.1 Tensile Strength Requirements :11.1.1 Product furnished un
49、der this specification shall conform to the tensile requirements prescribed in Table 2, when testedin accordance with Test Method E 8 or E 8M.11.1.2 Acceptance or rejection based upon mechanical properties shall depend only on tensile strength.11.2 Rockwell Hardness Requirement :11.2.1 The hardness test is a quick and convenient method for estimating tensile strength and grain size. Approximate hardnessvalues are given in Table 2. For copper-clad materials, copper is etched off with a suitable reagent before
