ASTM B189-05

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Designation: B189 – 05
Standard Specification for
Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for
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Electrical Purposes
This standard is issued under the fixed designation B189; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Ordering Information
1.1 This specification covers lead-coated and lead-alloy- 3.1 Orders for material under this specification shall include
coated, round, soft or annealed copper wire for electrical the following information:
purposes. 3.1.1 Quantity of each size and type of coating;
1.2 The values stated in inch-pound units are to be regarded 3.1.2 Wire size: diameter in inches (see 5.3 and Table 1);
as standard. The values given in parentheses are mathematical 3.1.3 Type of coating (see Section 1);
conversions to SI units that are provided for information only 3.1.4 Type of copper, if special (see 4.2);
and are not considered standard. The SI values for density and 3.1.5 Package size (see 8.1);
resistivity are to be regarded as the standard. 3.1.6 Special package marking, if required; and
1.3 This standard does not purport to address all of the 3.1.7 Place of inspection (see 6.1).
safety concerns, if any, associated with its use. It is the
4. Material
responsibility of the user of this standard to establish appro-
4.1 Coating Material—The coating material shall be com-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. The hazard mercially pure lead or a lead alloy. The lead alloy shall
conform to the following requirements as to chemical compo-
statement applies only to Section 6 of this specification.
sition as determined by analysis of samples from the coating
2. Referenced Documents
bath:
2.1 The following documents of the issue in effect at the
Lead, min, % 25
time of reference form a part of these methods to the extent
A
Tin, max, % 75
referenced herein:
Antimony, max, % 6
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2.2 ASTM Standards:
A
It is permissible to use alloying constituents other than those specified above
B49 Specification for Copper Rod Drawing Stock for Elec-
to replace a portion of the tin.
trical Purposes
4.2 Copper-Base Metal—The base metal shall be copper of
B193 Test Method for Resistivity of Electrical Conductor
such quality and purity that the finished product shall have
Materials
properties and characteristics prescribed in this specification.
B258 Specification for Nominal Diameters and Cross-
4.2.1 Copper of special qualities, forms, or types, as may be
SectionalAreas ofAWG Sizes of Solid Round Wires Used
agreed upon between the manufacturer and the purchaser, and
as Electrical Conductors
which will conform to the requirements prescribed in this
2.3 NIST:
specification may also be used.
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NBS Handbook 100 Copper Wire Tables
NOTE 1—Specification B49 defines copper suitable for use.
5. General Requirements (See Section 9)
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This specification is under the jurisdiction of ASTM Committee B01 on
Electrical Conductors and is the direct responsibility of Subcommittee B01.04 on
5.1 Tensile Strength and Elongation (Explanatory Note
Conductors of Copper and Copper Alloys.
1)—The coated wire shall conform to the requirements for
Current edition approved Mar. 1, 2005. Published March 2005. Originally
elongation prescribed in Table 1. No requirements for tensile
approved in 1944. Discontinued July 2003 and reinstated as B189 – 05. Last
previous edition approved in 1995 as B189 – 95. DOI: 10.1520/B0189-05. strength are specified. For wire whose nominal diameter is
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
more than 0.001 in. (1 mil) greater than a size listed inTable 1,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
butlessthanthatofthenextlargersize,therequirementsofthe
Standards volume information, refer to the standard’s Document Summary page on
next larger size shall apply.
the ASTM website.
3
Available from National Technical Information Service (NTIS), U.S. Depart-
ment of Commerce, 5285 Port Royal Rd., Springfield, VA 22161.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B189 – 05
TABLE 1 Tensile Requirements TABLE 2 Electrical Resistivity Requirements
Area at 20°C Resistivity at
Elongation in 10
Diameter, in.
Nominal Diameter, in. 20°C,
2
in., min, %
cmils in.
2
V·lb/mile
0.4600 211 600 0.1662 30
0.460 to 0.290, incl 896.15
0.4096 167 800 0.1318 30
Under 0.290 to 0.103, incl 900.77
0.3648 133 100 0.1045 30
Under 0.103 to 0.0201, incl 910.15
0.3
...