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ASTM B1010/B1010M-19

(Specification)

Standard Specification for Copper-Clad Steel Electrical Conductor for Tracer Wire Applications

Standard Specification for Copper-Clad Steel Electrical Conductor for Tracer Wire Applications

SIGNIFICANCE AND USE
14.1 Twist Test—This test is designed to detect surface related issues such as flaking or cracking in the shell as well as core integrity of the wire related to elongation. Failures under the specified requirements could lead to insulation failures allowing moisture and other factors to affect wire performance.  
14.2 Reverse Torsion—This test is designed to detect copper and core steel bonding issues which could lead to corrosion and eventual signal failure through the wire.
SCOPE
1.1 This specification covers bare round 21 % conductivity copper-clad steel wire for the center conductor in tracer wire, also known as locating wire.  
1.2 Two grades of copper-clad steel wire are covered as follows:  
1.2.1 21EHS: Nominal 21 % Conductivity Extra High Strength  
1.2.2 21EHS-A: Nominal 21 % Conductivity Extra High Strength-Annealed  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
30-Sep-2019
ICS
29.060.01 - Electrical wires and cables in general
Technical Committee
B01 - Electrical Conductors
Drafting Committee
B01.06 - Bi-Metallic Conductors
Current Stage
Ref Project

Relations

Refers
ASTM E8/E8M-15 - Standard Test Methods for Tension Testing of Metallic Materials
Effective Date
01-Feb-2015
Refers
ASTM E8/E8M-16 - Standard Test Methods for Tension Testing of Metallic Materials
Effective Date
15-Jul-2016
Refers
ASTM B193-16 - Standard Test Method for Resistivity of Electrical Conductor Materials
Effective Date
01-Apr-2016

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ASTM B1010/B1010M-19 - Standard Specification for Copper-Clad Steel Electrical Conductor for Tracer Wire ApplicationsASTM B1010/B1010M-19 - Standard Specification for Copper-Clad Steel Electrical Conductor for Tracer Wire Applications
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ASTM B1010/B1010M-19 - Standard Specification for Copper-Clad Steel Electrical Conductor for Tracer Wire Applications
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B1010/B1010M −19
Standard Specification for
Copper-Clad Steel Electrical Conductor for Tracer Wire
1
Applications
This standard is issued under the fixed designation B1010/B1010M; 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 E8/E8MTest Methods for Tension Testing of Metallic Ma-
terials
1.1 This specification covers bare round 21% conductivity
3
2.2 NIST Standards:
copper-clad steel wire for the center conductor in tracer wire,
NBS Handbook 100Copper Wire Tables
also known as locating wire.
1.2 Two grades of copper-clad steel wire are covered as 3. Terminology
follows:
3.1 Definitions:
1.2.1 21EHS: Nominal 21 % Conductivity Extra High
3.1.1 lot—any amount of wire of one class and size pre-
Strength
sented for acceptance at one time, such amount, however, not
1.2.2 21EHS-A: Nominal 21 % Conductivity Extra High
to exceed 10 000 lb [4500 kg].
Strength-Annealed
3.1.1.1 Discussion—Alotshouldcompriseofmaterialtaken
1.3 The values stated in either SI units or inch-pound units from a product regularly meeting the requirements of this
are to be regarded separately as standard. The values stated in
specification. Inspection of individual lots of less than 500 lb
each system may not be exact equivalents; therefore, each [230 kg] of wire cannot be justified economically. For small
system shall be used independently of the other. Combining
lots of 500 lb [230 kg] or less, the purchaser may agree to the
values from the two systems may result in non-conformance manufacturer’s regular inspection of the product as a whole as
with the standard.
evidence of acceptability of such small lots.
1.4 This standard does not purport to address all of the 3.1.2 sample—a quantity of production units (coils, reels,
safety concerns, if any, associated with its use. It is the etc.) selected at random from the lot for the purpose of
responsibility of the user of this standard to establish appro- determining conformance of the lot to the requirements of this
priate safety, health, and environmental practices and deter- specification.
mine the applicability of regulatory limitations prior to use.
3.1.3 specimen—a length of wire removed for test purposes
1.5 This international standard was developed in accor-
from any individual production unit of the sample.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the 4. Ordering Information
Development of International Standards, Guides and Recom-
4.1 Ordersformaterialunderthisspecificationshallinclude
mendations issued by the World Trade Organization Technical
the following information:
Barriers to Trade (TBT) Committee.
4.1.1 Quantity of each size and grade,
4.1.2 Wire size, diameter in inches (Table 1),
2. Referenced Documents
4.1.3 Packaging and shipping (Section 16),
2
2.1 ASTM Standards:
4.1.4 If inspection is required (Section 15).
B193Test Method for Resistivity of Electrical Conductor
5. Materials and Manufacture
Materials
5.1 The wire shall consist of a core of homogeneous
open-hearth, electric-furnace, or basic oxygen steel with a
1
This specification is under the jurisdiction of ASTM Committee B01 on
continuous outer cladding of high conductivity oxygen free
Electrical Conductors and is the direct responsibility of Subcommittee B01.06 on
copper thoroughly bonded to the core throughout, and shall be
Bi-Metallic Conductors.
ofsuchqualityastomeettherequirementsofthisspecification
Current edition approved Oct. 1, 2019. Published October 2019. DOI: 10.1520/
(Note 1).
B1010_B1010M-19.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from National Institute of Standards and Technology (NIST), 100
the ASTM website. Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B1010/B1010M−19
TABLE 1 Properties of Tracer Wire
A, B
Diameter Cross-Sectional Area at 20°C Breaking Strength, lbf [N]
21EHS-A, 21EHS,
2 2
in. mm cmil in. mm minimum minimum
0.1285 3.264 16 512 0.01297 8.367 868.9 [3865] 2 594 [11 540]
0.1019 2.588 10 384 0.008155 5.261 546.4 [2431] 1 631 [7 255]
0.08080 2.0
...

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