ASTM B869-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: B 869 – 04
Standard Specification for
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Copper-Clad Steel Electrical Conductor for CATV Drop Wire
This standard is issued under the fixed designation B 869; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Ordering Information
1.1 This specification covers 21 % conductivity hard-drawn 3.1 Orders for material under this specification shall include
round copper-clad steel wire for coaxial cable center conduc- the following information:
tors (Note 1). 3.1.1 Quantity of each size;
3.1.2 Wire size: diameter in inches (see 5.1 and Table 1);
NOTE 1—Wire ordered to this specification is not intended for redraw-
3.1.3 Package size (see 15.1);
ing since it is furnished in the hard-drawn temper. If wire is desired for the
3.1.4 Specialpackagemarking,ifrequired(Section15);and
purpose, the manufacturer should be consulted.
3.1.5 Place of inspection (13.2).
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
4. Material
information only.
4.1 The wire shall be composed of a steel core with a
substantially uniform and continuous copper cladding thor-
2. Referenced Documents
oughly bonded to it throughout.
2.1 The following documents, of the issue in effect on the
4.2 The finished copper-clad steel wire shall conform to the
date of material purchase, form a part of this specification to
requirements in this specification.
the extent referenced herein.
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2.2 ASTM Standards:
5. Dimensions and Permissible Variations
B 193 Test Method for Resistivity of Electrical Conductor
5.1 The size shall be expressed as the diameter of the wire
Materials
in decimal fractions of an inch, using four places of decimals,
B 258 Specification for Standard Nominal Diameters and
that is, in tenths of a mil (Note 2).
Cross-SectionalAreasofAWGSizesofSolidRoundWires
NOTE 2—The values of wire diameters inTable 1 andTable 2 are given
Used as Electrical Conductors
to the nearest 0.0001 in. (0.0025 mm) and correspond to the standard sizes
2.3 NIST Document:
giveninSpecificationB 258.Inspecifyingdiametersofwireorinspecting
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NBS Handbook 100—Copper Wire Tables
wire, the diameter should also be expressed to the fourth decimal place.
An excellent discussion of wire gages and related subjects is contained in
NBS Handbook 100.
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This specification is under the jurisdiction of ASTM Committee B01 on
Electrical Conductors and is the direct responsibility of Subcommittee B01.06 on
5.2 Within the range of diameters included in Table 1, the
Composite Conductors.
wire shall not vary from the specified diameter by more than
Current edition approved April 1, 2004. Published April 2004. Originally
61 %, expressed to the nearest 0.0001 in. (0.0025 mm).
approved in 1996. Last previous edition approved in 2002 as B 869 - 02.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 5.3 Ten percent, but not less than five reels (or all, if the lot
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
is less than five), from any lot of wire shall be gaged.All reels
Standards volume information, refer to the standard’s Document Summary page on
shall be gaged if any of the selected reels fail to conform to the
the ASTM website.
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requirements for diameter.
Available from National Institute of Standards and Technology (NIST), 100
Bureau Dr., Stop 3460, Gaithersburg, MD 20899-3460.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B 869–04
TABLE 2 Approximate Properties (Information Only)
Rated
Area
Nominal
Breaking Mass Mass
Diameter,
Strength, (lb/1000 ft) (lb/mile)
A
2A
in.
cmil in.
min, lb
0.0641 4108 0.003227 387 11.10 58.60
0.0571 3260 0.002560 307 9.05 47.78
0.0508 2580 0.002026 243 6.99 36.90
0.0453 2052 0.001611 193 5.56 29.36
0.0403 1624 0.001276 153 4.51 23.81
0.0320 1024 0.000804 96 2.77 14.65
0.0285 812 0.000637 75 2.25 11.88
A 2 2
Metric equivalents: 1 in. = 25.4 mm; 1 in. = 645.16 mm (round to four
significant figures); 1 mil = 0.0254 mm (round to two decimal places).
6. Workmanship, Finish, and Appearance 8.2 Specimens shall be twisted to destruction and shall not
reveal under testing any seams, pits, slivers, or surface imper-
6.1 The surface of the wire shall be free from imperfections
fections of sufficient magnitude to indicate inherent defects or
and be consistent with good commercial practice.
imperfections in the wire.
7. Tensile and Elongation Properties
8.2.1 Examination of the wire at the break shall show no
...