ASTM B869-02

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Designation: B 869 – 02
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.
TABLE 1 Properties of Hard-Drawn 21 % Conductivity Copper-
1. Scope
Clad Steel Wire
1.1 This specification covers 21 % conductivity hard-drawn
Nominal Maximum
Permissible Minimum Copper
round copper-clad steel wire for coaxial cable center conduc-
Diameter, Resistance at
A A
Variations Thickness, in.
A
tors (Note 1).
in. 20°C/1000 ft
0.0641 60.0006 in. 12.228 0.00096
NOTE 1—Wire ordered to this specification is not intended for redraw-
0.0571 60.0006 in. 15.150 0.00086
ing since it is furnished in the hard-drawn temper. If wire is desired for the
0.0508 60.0005 in. 19.143 0.00076
purpose, the manufacturer should be consulted.
0.0453 60.0005 in. 24.096 0.00068
0.0403 60.0004 in. 30.412 0.00060
1.2 The values stated in inch-pound units are to be regarded
0.0320 60.0003 in. 48.232 0.00048
as the standard. The values given in parentheses are for
0.0285 60.0003 in. 60.825 0.00043
information only. A
Metric equivalents: 1 in. = 25.4 mm (round to four significant figures).
2. Referenced Documents
3.1.4 Special package marking, if required (Section 15); and
2.1 The following documents, of the issue in effect on the
3.1.5 Place of inspection (13.2).
date of material purchase, form a part of this specification to
4. Material
the extent referenced herein.
2.2 ASTM Standards:
4.1 The wire shall be composed of a steel core with a
B 193 Test Method for Resistivity of Electrical Conductor
substantially uniform and continuous copper cladding thor-
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Materials
oughly bonded to it throughout.
B 258 Specification for Standard Nominal Diameters and
4.2 The finished copper-clad steel wire shall conform to the
Cross-Sectional Areas of AWG Sizes of Solid Round Wires
requirements in this specification.
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Used as Electrical Conductors
5. Dimensions and Permissible Variations
2.3 NIST Document:
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NBS Handbook 100—Copper Wire Tables
5.1 The size shall be expressed as the diameter of the wire
in decimal fractions of an inch, using four places of decimals,
3. Ordering Information
that is, in tenths of a mil (Note 2).
3.1 Orders for material under this specification shall include
NOTE 2—The values of wire diameters in Table 1 and Table 2 are given
the following information:
to the nearest 0.0001 in. (0.0025 mm) and correspond to the standard sizes
3.1.1 Quantity of each size;
given in Specification B 258. In specifying diameters of wire or inspecting
3.1.2 Wire size: diameter in inches (see 5.1 and Table 1);
wire, the diameter should also be expressed to the fourth decimal place.
3.1.3 Package size (see 15.1); An excellent discussion of wire gages and related subjects is contained in
NBS Handbook 100.
5.2 Within the range of diameters included in Table 1, the
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This specification is under the jurisdiction of ASTM Committee B01 on
wire shall not vary from the specified diameter by more than 6
Electrical Conductors and is the direct responsibility of Subcommittee B01.06 on
1 %, expressed to the nearest 0.0001 in. (0.0025 mm).
Composite Conductors.
Current edition approved Oct. 10, 2002. Published November 2002. Originally
5.3 Ten percent, but not less than five reels (or all, if the lot
published as B 869-96. Last previous edition B 869-96.
is less than five), from any lot of wire shall be gaged. All reels
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Annual Book of ASTM Standards, Vol 02.03.
3
shall be gaged if any of the selected reels fail to conform to the
Available from National Institute of Standards and Technology (NIST), 100
Bureau Dr., Stop 3460, Gaithersburg, MD 20899-3460. requirements for diameter.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B 869–02
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 signifi-
cant 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, sli
...