ASTM B606/B606M-08(2016)
(Specification)Standard Specification for High-Strength Zinc-Coated (Galvanized) Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel Reinforced
Standard Specification for High-Strength Zinc-Coated (Galvanized) Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel Reinforced
ABSTRACT
This specification covers the standard requirements for round, high-strength, zinc-coated (galvanized), steel core wire with Class A zinc coating used for mechanical reinforcement in the manufacture of special steel reinforced aluminum and aluminum-alloy conductors. The base metal shall be steel produced by the open-hearth, electric-furnace, or basic-oxygen process and the wire shall be cold drawn and coated with zinc. Joints may be made at any stage of processing prior to final cold drawing by the electric butt-weld or flash-welding process. Chemical analysis shall be conducted; wherein, the steel shall conform to the chemical composition requirements for carbon, manganese, phosphorus, sulfur, and silicon. The zinc-coated steel core wire shall conform to the tensile strength and elongation requirements which shall be obtained using a tensile test method. The material shall also undergo wrap and adherence tests; wherein, the wire shall be capable of being wrapped in a close helix without cracking or flaking.
SCOPE
1.1 This specification covers round, high-strength, zinc-coated (galvanized), steel core wire with Class A zinc coating (GA3) for use in overhead electrical conductors.
1.2 This specification covers wire of diameter from 0.0500 to 0.1900 in. inclusive or 1.27 to 4.82 mm inclusive.
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.
General Information
Relations
Buy Standard
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:B606/B606M −08 (Reapproved 2016)
Standard Specification for
High-Strength Zinc-Coated (Galvanized) Steel Core Wire for
Aluminum and Aluminum-Alloy Conductors, Steel
Reinforced
This standard is issued under the fixed designation B606/B606M; 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. Terminology
3.1 Definitions:
1.1 This specification covers round, high-strength, zinc-
coated (galvanized), steel core wire with Class A zinc coating 3.1.1 lot—unless otherwise specified in the contract or
(GA3) for use in overhead electrical conductors.
order, a lot shall consist of all coils of wire of the same
diameter and unit lengths submitted for inspection at the same
1.2 This specification covers wire of diameter from 0.0500
time.
to 0.1900 in. inclusive or 1.27 to 4.82 mm inclusive.
3.1.2 Product Code—Defines product coating type, coating
1.3 The values stated in either SI units or inch-pound units
class and strength grade. This specification covers only High
are to be regarded separately as standard. The values stated in
Strength Class A Zinc Coated products and identified as
each system may not be exact equivalents; therefore, each
product code GA3.
system shall be used independently of the other. Combining
values from the two systems may result in non-conformance
4. Ordering Information
with the standard.
4.1 Orders for material under this specification shall include
2. Referenced Documents the following information:
4.1.1 Quantity of each size,
2.1 The following documents of the issue in effect on date
4.1.2 Wire diameter in inches or millimeters (Section 13),
of material purchase form a part of this specification to the
extent referenced herein. 4.1.3 Certification, if required (Section 18),
4.1.4 Test report, if required (Section 18), and
2.2 ASTM Standards:
4.1.5 Package size (Section 19).
A90/A90M Test Method for Weight [Mass] of Coating on
4.1.6 Order Example: Five multiple lengths of 12 000 ft.
Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
each, 0.1327 in. GA3 wire, packaged onto wooden non-
A370 Test Methods and Definitions for Mechanical Testing
returnable reels, with certified test report.
of Steel Products
A751 Test Methods, Practices, and Terminology for Chemi- 4.1.7 Product Code (see paragraph 3.1.2).
cal Analysis of Steel Products
B6 Specification for Zinc 5. Materials and Manufacture
B193 Test Method for Resistivity of Electrical Conductor
5.1 The base metal shall be steel produced by the open-
Materials
hearth, electric-furnace, or basic-oxygen process.
E29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications 5.2 The wire shall be cold drawn and coated with zinc to
produce the desired properties.
5.3 The slab zinc used for coating shall be high grade or
This specification is under the jurisdiction of ASTM Committee B01 on
better, conforming to Specification B6.
Electrical Conductors and is the direct responsibility of Subcommittee B01.05 on
Conductors of Ferrous Metals.
6. Chemical Composition
Current edition approved Oct. 1, 2016. Published October 2016. Originally
ɛ1
approved in 1975. Last previous edition approved in 2008 as B606/B606M – 08 .
6.1 The steel shall conform to the requirements prescribed
DOI: 10.1520/B0606_B0606M-08R16.
in Table 1.
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
6.2 Chemical analysis shall be conducted in accordance
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. with Test Methods, Practices, and Terminology A751.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B606/B606M−08 (2016)
TABLE 1 Chemical Requirements
11.2 Joints may be made at any stage of processing prior to
Element Composition, % final cold drawing, by the electric butt-weld or flash-welding
Carbon 0.50 to 0.88 process.
Manganese 0.50 to 1.30
11.3 Welding equipment and procedure shall be such that it
Phosphorus, max 0.035
Sulfur, max 0.045
can be demonstrated that the ultimate tensile strength of a
Silicon 0.10 to 0.35
finished wire specimen containing the welded section shall be
not less than 96 % of the specified minimum stress at 1 %
extension.
7. Tensile Test
11.4 A welded section shall not be required to meet the
7.1 The zinc-coated steel core wire shall conform to the
stress at 1 % extension, elongation, and wrap tests.
tensile and elongation requirements prescribed in Table 2 or
Table 3.
12. Density and Resistivity
7.2 Tensile tests shall be conducted in accordance with Test
12.1 For the purpose of calculating mass per unit length,
Methods and Definitions A370, using the initial settings for
crosssections,andsoforth,thedensityofgalvanizedsteelwire
3 3
determining stress at 1 % extension given in Table 4 or Table at 20°C shall be taken as 0.281 lb/in. [7780 kg/m ].
5 of this specification.
12.2 A maximum resistivity of galvanized steel wire is not
7.3 Test Specimens—The test specimens shall be free of guaranteed but a typical value of 0.19157 Ω·mm /m may be
bendsorkinksotherthanthecurvatureresultingfromtheusual
used for calculating purposes. For conversion to other units of
coiling operations.Any hand straightening necessary to permit conductivity or resistivity, refer to Test Method B193.
insertion of the specimen in the jaws of the testing machine
13. Dimensions and Permissible Variations
shall be performed by drawing between wood blocks or by
some other equally satisfactory means.
13.1 The specified diameter of the zinc-coated wire shall be
expressed in decimal fractions of an inch to four decimal
8. Wrap Test
places, or in millimeters to two decimal places.
8.1 The material, as represented by the test specimens, shall
13.2 TodeterminetheapplicabletolerancerangefromTable
not fracture when the galvanized wire is wrapped at a rate not
10 or Table 11, round the specified diameter to the nearest
exceeding 15 turns/min in a close helix of at least eight turns
0.001 in. [0.01 mm], in accordance with the rounding method
around a cylindrical mandrel with a diameter equal to three
of Practice E29.
times the specified diameter of the wire under test, 65%.
13.3 Measure the largest and smallest diameter taken at the
9. Coating Test same cross section rounded to the nearest 0.001 in. [0.01 mm]
in accordance with the rounding method of Practice E29.
9.1 The zinc-coated wire shall conform to the coating
Calculate the average of the two measurements.The calculated
requirements prescribed in Table 6 or Table 7.
value shall not differ from the specified diameter by more than
9.2 The coating test shall be conducted in accordance with
the applicable tolerance range shown in Table 10 or Table 11.
Test Method A90/A90M.
14. Workmanship, Finish, and Appearance
10. Adherence of Coating Test
14.1 The zinc coating shall be reasonably smooth,
10.1 The zinc-coated wire shall be capable of being
continuous, of reasonably uniform thickness, and free of
wrapped in a close helix at a rate not exceeding 15 turns/min
imperfections not consistent with good commercial practice.
aroundacylindricalmandrelhavingadiameterasprescribedin
Table 8 or Table 9, without cracking or flaking the zinc coating 15. Number of Tests and Retests
to such an extent that any zinc can be removed by rubbing with
15.1 One test specimen shall be taken from each 5000 lb
the bare fingers.
[2500 kg] or fraction thereof in the inspection lot.
NOTE 1—Loosening or detachment during the adhesion test of
15.2 Each specimen shall be tested for compliance with
superficial, small particles of zinc formed by mechanical polishing of the
Sections 7, 8, 10, and 13. At least half of the specimens shall
surface of the coated wire shall not be considered cause for rejection.
be tested for compliance with Section 9.
11. Joints
15.3 Should one or more of the test specimens fail any of
11.1 No joints shall be made in the finished wire. the tests specified, the nonconforming coil or coils may be
TABLE 2 Tensile Requirements
Specified Diameter Stress at 1 % Extension, min Ultimate Tensile Strength, min Elongation in 10 in.,
min %
in. kpsi kpsi
0.0500 to 0.0899, incl
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: B606/B606M − 08 B606/B606M − 08 (Reapproved 2016)
Standard Specification for
High-Strength Zinc-Coated (Galvanized) Steel Core Wire for
Aluminum and Aluminum-Alloy Conductors, Steel
Reinforced
This standard is issued under the fixed designation B606/B606M; 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.
ε NOTE—Designation was corrected editorially in 2013.
1. Scope*Scope
1.1 This specification covers round, high-strength, zinc-coated (galvanized), steel core wire with Class A zinc coating (GA3)
for use in overhead electrical conductors.
1.2 This specification covers wire of diameter from 0.0500 to 0.1900 in. inclusive or 1.27 to 4.82 mm inclusive.
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.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of material purchase form a part of this specification to the extent
referenced herein.
2.2 ASTM Standards:
A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
B6 Specification for Zinc
B193 Test Method for Resistivity of Electrical Conductor Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
3. Terminology
3.1 Definitions:
3.1.1 lot—unless otherwise specified in the contract or order, a lot shall consist of all coils of wire of the same diameter and
unit lengths submitted for inspection at the same time.
3.1.2 Product Code—Defines product coating type, coating class and strength grade. This specification covers only High
Strength Class A Zinc Coated products and identified as product code GA3.
4. Ordering Information
4.1 Orders for material under this specification shall include the following information:
4.1.1 Quantity of each size,
4.1.2 Wire diameter in inches or millimeters (Section 13),
4.1.3 Certification, if required (Section 18),
4.1.4 Test report, if required (Section 18), and
4.1.5 Package size (Section 19).
This specification is under the jurisdiction of ASTM Committee B01 on Electrical Conductors and is the direct responsibility of Subcommittee B01.05 on Conductors
of Ferrous Metals.
Current edition approved Nov. 1, 2008Oct. 1, 2016. Published December 2008October 2016. Originally approved in 1975. Last previous edition approved in 20022008
ɛ1
as B606 – 02.B606/B606M – 08 . DOI: 10.1520/B0606_B0606M-08E01.10.1520/B0606_B0606M-08R16.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For nnualAnnual Book of ASTM
Standards volume information, refer to the standard’sstandard’s Document Summary page on the ASTM website.
*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
B606/B606M − 08 (2016)
4.1.6 Order Example: Five multiple lengths of 12 000 ft. each, 0.1327 in. GA3 wire, packaged onto wooden non-returnable
reels, with certified test report.
4.1.7 Product Code (see paragraph 3.1.2).
5. Materials and Manufacture
5.1 The base metal shall be steel produced by the open-hearth, electric-furnace, or basic-oxygen process.
5.2 The wire shall be cold drawn and coated with zinc to produce the desired properties.
5.3 The slab zinc used for coating shall be high grade or better, conforming to Specification B6.
6. Chemical Composition
6.1 The steel shall conform to the requirements prescribed in Table 1.
6.2 Chemical analysis shall be conducted in accordance with Test Methods, Practices, and Terminology A751.
7. Tensile Test
7.1 The zinc-coated steel core wire shall conform to the tensile and elongation requirements prescribed in Table 2 or Table 3.
7.2 Tensile tests shall be conducted in accordance with Test Methods and Definitions A370, using the initial settings for
determining stress at 1 % extension given in Table 4 or Table 5 of this specification.
7.3 Test Specimens—The test specimens shall be free of bends or kinks other than the curvature resulting from the usual coiling
operations. Any hand straightening necessary to permit insertion of the specimen in the jaws of the testing machine shall be
performed by drawing between wood blocks or by some other equally satisfactory means.
8. Wrap Test
8.1 The material, as represented by the test specimens, shall not fracture when the galvanized wire is wrapped at a rate not
exceeding 15 turns/min in a close helix of at least eight turns around a cylindrical mandrel with a diameter equal to three times
the specified diameter of the wire under test, 65 %.
9. Coating Test
9.1 The zinc-coated wire shall conform to the coating requirements prescribed in Table 6 or Table 7.
9.2 The coating test shall be conducted in accordance with Test Method A90/A90M.
10. Adherence of Coating Test
10.1 The zinc-coated wire shall be capable of being wrapped in a close helix at a rate not exceeding 15 turns/min around a
cylindrical mandrel having a diameter as prescribed in Table 8 or Table 9, without cracking or flaking the zinc coating to such an
extent that any zinc can be removed by rubbing with the bare fingers.
NOTE 1—Loosening or detachment during the adhesion test of superficial, small particles of zinc formed by mechanical polishing of the surface of the
coated wire shall not be considered cause for rejection.
11. Joints
11.1 No joints shall be made in the finished wire.
11.2 Joints may be made at any stage of processing prior to final cold drawing, by the electric butt-weld or flash-welding
process.
TABLE 1 Chemical Requirements
Element Composition, %
Carbon 0.50 to 0.88
Manganese 0.50 to 1.30
Phosphorus, max 0.035
Sulfur, max 0.045
Silicon 0.10 to 0.35
TABLE 1 Chemical Requirements
Element Composition, %
Carbon 0.50 to 0.88
Manganese 0.50 to 1.30
Phosphorus, max 0.035
Sulfur, max 0.045
Silicon 0.10 to 0.35
B606/B606M − 08 (2016)
TABLE 2 Tensile Requirements
Specified Diameter Stress at 1 % Extension, min Ultimate Tensile Strength, min Elongation in 10 in.,
min %
in. kpsi kpsi
0.0500 to 0.0899, incl 210 235 3.0
0.0900 to 0.1199, incl 205 230 3.0
0.1200 to 0.1399, incl 200 225 3.5
0.1400 to 0.1900, incl 195 220 3.5
TABLE 3 Tensile Requirements [Metric]
Specified Diameter Stress at 1 % Extension, min Ultimate Tensile Strength, min Elongation in 250 mm,
min %
mm MPa MPa
1.27 to 2.28, incl 1450 1620 3.0
2.29 to 3.04, incl 1410 1590 3.0
3.05 to 3.55, incl 1380 1550 3.5
3.56 to 4.82, incl 1340 1520 3.5
TABLE 4 Initial Settings for Determining Stress at 1 % Extension
Initial Setting
Specified Diameter Initial Stress
of Extensometer
in. kpsi in./in.
0.0500 to 0.0899, incl 15 0.0005
(0.05 %
extension)
0.0900 to 0.1199, incl 30 0.0010
(0.10 %
extension)
0.1200 to 0.1900, incl 46 0.0015
(0.15 %
extension)
TABLE 5 Initial Settings for Determining Stress at 1 % Extension
[Metric]
Initial Setting of
Specified Diameter Initial Stress
Extensometer
mm MPa mm/mm
1.27 to 2.28, incl 110 0.0005 (0.05 %
extension)
2.29 to 3.04, incl 210 0.0010 (0.10 %
extension)
3.05 to 4.82, incl 320 0.0015 (0.15 %
extension)
11.3 Welding equipment and procedure shall be such that it can be demonstrated that the ultimate tensile strength of a finished
wire specimen containing the welded section shall be not less than 96 % of the specified minimum stress at 1 % extension.
11.4 A welded section shall not be required to meet the stress at 1 % extension, elongation, and wrap tests.
12. Density and Resistivity
12.1 For the purpose of calculating mass per unit length, cross sections, and so forth, the density of galvanized steel wire at 20°C
3 3
shall be taken as 0.281 lb/in. [7780 kg/m ].
12.2 A maximum resistivity of galvanized steel wire is not guaranteed but a typical value of 0.19157 Ω·mm /m may be used
for calculating purposes. For conversion to other units of conductivity or resistivity, refer to Test Method B193.
13. Dimensions and Permissible Variations
13.1 The specified diameter of the zinc-coated wire shall be expressed in decimal fractions of an inch to four decimal places,
or in millimeters to two decimal places.
13.2 To determine the applicable tolerance range from Table 10 or Table 11, round the specified diameter to the nearest 0.001
in. [0.01 mm], in accordance with the rounding method of Practice E29.
13.3 Measure the largest and smallest diameter taken at the same cross section rounded to the nearest 0.001 in. [0.01 mm] in
accordance with the rounding method of Practice E29. Calculate the average of the two measurements. The calculated value shall
not differ from the specified diameter by more than the applicable tolerance range shown in Table 10 or Table 11.
B606/B606M − 08 (2
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.