1、Designation: B694 10Standard 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 following
2、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 specification es
3、tablishes the requirements for cop-per, copper alloy, copper-clad bronze (CCB), copper-cladstainless steel (CCS), and copper-clad alloy steel (CAS)materials, sheet, and strip, in various thicknesses, for use aselectrostatic or electromagnetic shielding for insulated power,control, instrumentation, a
4、nd 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 copper-zi
5、nc 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 regardedas sta
6、ndard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3.1 The only exception is grain size, which is reported inSI (mm) units.1.4 This standard does not purport to address all of thesafety concerns, if a
7、ny, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A176 Specification for Stainless and Heat-Resisti
8、ng Chro-mium 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 BarB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Pla
9、te, Sheet, Strip, and RolledBarB601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB736 Specification for Aluminum, Aluminum Alloy andAluminum-Clad Steel Cable Shielding StockB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic Sp
10、ecimensE8 Test Methods for Tension Testing of Metallic MaterialsE54 Test Methods for ChemicalAnalysis of Special Brassesand Bronzes3E62 Test Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)3E75 Test Methods for Chemical Analysis of Copper-Nickeland Copper-Nickel-Zinc Al
11、loys3E112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for ChemicalAnalysis of CopperAlloys2.2 International Standards Organization (ISO) Standards:1This specification is under the jur
12、isdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition approved April 1, 2010. Published May 2010. Originallyapproved in 1981. Last previous edition approved in 2003 as B694 03. DOI:10.1520/B0694-10.2
13、For 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 Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical stand
14、ard is referencedon www.astm.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ISO 3110/2 Determination of Aluminum; Flame AtomicAbsorption Spectrometric Method (TC/
15、26 Ref. No. N698E/F)43. General Requirements3.1 The following sections of Specification B248 constitutea 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
16、,3.1.6 Specimen Preparation,3.1.7 Test Methodsexcept for chemical 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
17、a section with a title identical to thatreferenced in 3.1 above, appears in this specification, itcontains additional requirements, which supplement thoseappearing in Specification B248.4. Terminology4.1 For definitions of terms related to copper and copperalloys, refer to Terminology B846.5. Orderi
18、ng Information5.1 Include the following information when placing ordersfor 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 mater
19、ial: strip,5.1.5 Type of product: (or abbreviation, in the case of cladmaterials) 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 reelsor spools, etc.,5.2
20、The following options are available and should bespecified at the time of placing of the order when required:5.2.1 Whether electrical resistivity test is required for anyitem,5.2.2 Coil dimension: inner or outer coil diameter limita-tion, or both, if required,5.2.3 Weight of coils: coil weights or c
21、oil size limitations, ifrequired,5.2.4 Cladding ratio 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.6. Materials and Manufacture6.1 MaterialThe material of manufacture shall be of suchpurity and soundness as
22、 to be suitable for processing into theproducts prescribed herein.6.2 Manufacture:6.2.1 The copper and copper alloy product shall be manu-factured by such hot working, cold working, and annealingprocesses as to produce a uniform wrought structure in thefinished product, and conform to the properties
23、 and character-istics prescribed in the specification.6.2.2 Cladding metals as appropriate may be bonded to thespecified base metal by any method that will produce a cladmaterial that will conform to this specification.7. Chemical Composition7.1 The copper and copper-alloy materials shall conform to
24、the chemical composition requirements in Table 1 for thecopper alloy UNS No. designation specified in the orderinginformation.7.2 Copper cladding shall be, unless otherwise specified, acopper conforming in chemical composition to that covered bySpecification B152/B152M. The grade provided shall be o
25、ne ofthe following coppers, such that the final strip meets theconductivity and mechanical properties of this specification.These are:C10920C11000C11020C120007.3 These composition limits do not preclude the presenceof other elements. By agreement between the manufacturer andpurchaser, limits may be
26、established and analysis required forunnamed elements.7.4 Except for copper C11000, copper may be taken as thedifference between all the elements analyzed and 100 %.7.4.1 Alloys C19400, C22000, and C23000When all ele-ments specified in Table 1 are determined, the sum of theresults shall be 99.8 % mi
27、n.7.4.2 Alloys C66400, C66410, C66430, C64785, andC71000When all elements specified in Table 1 are deter-mined, the sum of the results shall be 99.5 % min.7.5 Clad Metal:7.5.1 For stainless steel clad cores, the stainless steel shallconform in chemical composition to one established by Speci-ficatio
28、n A176. If not specified on the purchase order, stainlesssteel in accordance with UNS No. S43000 (Type 430) shall besupplied as the core material.7.5.2 For alloy steel clad cores, the steel shall conform inchemical composition to an alloy steel established by Specifi-cation A505. If not specified on
29、 the purchase order, alloy steelUNS No. G41300 shall be supplied.7.5.3 For bronze clad cores, the bronze shall conform inchemical composition to the requirements of UNS No. C64785listed in Table 1.7.5.4 Unless otherwise stated (see 5.2.4), the cladding ratioshall be one of the standard ratios listed
30、 in Table 2 and Table3, and shall be expressed as XX/XX/XX, copper/bronze/4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.B694 102copper, copper/stainless steel/copper, or copper/alloy steel/copper as appropriate.8. Tempe
31、r8.1 As described in Classification B601, tempers furnishedto this specification 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
32、C66430O60.8.1.6 Copper alloy C71000H01, H02, OS035, andOS015.8.1.7 Copper-Clad SteelO61.8.1.8 Copper-Clad BronzeO61 and O81.9. Grain Size for Annealed Tempers9.1 There are no minimum or maximum grain size require-ments for product in annealed tempers O50, O61, and O81;however, the metal shall be ful
33、ly recrystallized.9.2 For copper alloy UNS No. C71000 in annealed tempersOS035 and OS015, acceptance or rejection based upon grainsize shall depend only on the average grain size of a testspecimen taken from each of two sample portions, and eachspecimen shall be within the limits prescribed in Table
34、 2 whendetermined in accordance with Test Method E112.10. Physical Property Requirements10.1 Electrical Resistivity Requirement:10.2 The annealed product furnished shall conform to theelectrical mass Resistivity prescribed in Table 4.11. Mechanical Property Requirements11.1 Tensile Strength Requirem
35、ents:11.1.1 Product furnished under this specification shall con-form to the tensile requirements prescribed in Table 2, whentested in accordance with Test Method E 8 or E 8M.11.1.2 Acceptance or rejection based upon mechanicalproperties shall depend only on tensile strength.11.2 Rockwell Hardness R
36、equirement:11.2.1 The hardness test is a quick and convenient methodfor estimating tensile strength and grain size. Approximatehardness values are given in Table 2. For copper-clad materials,copper is etched off with a suitable reagent before testing thesteel. This test is not required and shall not
37、 be used as a basisof rejection.12. Dimensions, Mass, and Permissible Variations12.1 GeneralFor the purpose of determining conform-ance with the dimensional requirements prescribed in thisspecification, any measured value outside the specified limitingvalues for any dimension may be cause for reject
38、ion.12.2 ThicknessThe standard method of specifying thick-ness shall be in decimal fractions of an inch. For material 0.021in. (0.53 mm) and under in thickness, it is recommended thatthe nominal thickness be stated not closer than the nearesthalf-thousandth. (For example, specify 0.006 or 0.0065 in.
39、(0.15 or 0.165 mm), but not 0.0063 in. (0.160 mm).) A list ofpreferred thicknesses is shown in Appendix X2. The thicknesstolerance shall be those shown in Table 5 and Table 6.12.3 WidthThe width tolerances shall be those requiredby Specification B248, unless otherwise stated in the purchaseorder.12.
40、4 StraightnessThe straightness tolerances shall bethose required by Specification B248, unless otherwise statedin the purchase order.12.5 Cladding RatioCladding ratios shall be within610 % of the outer clad layer percentage (for example, theouter layers of a 16/68/16 clad product can have an outer l
41、ayerclad thickness of 16% +/- 1.6%). The thickness percentage ofthe core shall not be used for basis of rejection. The test methodshall be metallurgical microsection of at least three samples perlot.TABLE 1 Chemical RequirementsElementComposition, %Copper or Copper Alloy UNS No.C11000 C19400 C22000
42、C23000 C66400 C66410 C66430 C71000C64785core ofCopper-CladBronzeCopper (inclsilver)99.90 min 97.0 min 89.091.0 84.086.0 remainder 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 . . . .
43、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). . . . . . . 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 . . . . 1.8
44、2.3 . . . .Silicon . . . . . . . . 0.15 maxAluminum . . . . . . . . 3.06.0B694 103TABLE 2 Tensile Strength Requirements and Approximate Hardness Values for Shielding Materials in Commonly Ordered TempersDescription Temper Designation Tensile Strength, ksiA(MpaB) Approximate Rockwell HardnessCCopper
45、or CopperAlloy UNS No.Type of 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
46、 Tempers:O61 annealed . 34 (235) . .Annealed Tempers:C19400 Copper-iron alloy O61 annealedD45 (310) 55 (380) . .O50 light annealedD50 (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
47、3853H02 half hard 47 (325) 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:C66
48、400 Copper-zinc-iron-cobalt alloy O60 softD53 (365) 60 (415) . .C66410 Copper-zinc-iron alloy O60 softD53 (365) 60 (415) . .C66430 Copper-zinc-iron-tin alloy O60 softD59 (405) 69 (475) . 5969Cold-Rolled Tempers:C71000 Cupro-nickel 20 % H01 quarter hard 47 (325) 63 (435) B4572 4665H02 half hard 56 (3
49、85) 70 (485) B6478 5969Annealed 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 annealedD55 (380) 68 (470) 15T 89 max .33.3/33.3/33.3 0.006 (0.15) O61 annealedD44 (305) 15T 89 max .Copper-Clad Bronze (CCB)CladdingRatioTotal Thicknessin. (mm) Annealed Tempers12.5/75/12.5EO61 annealedD55 (380) 68 (470) 15T 89 max .O81 annealed to temp
