ASTM B606-02

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Designation: B 606 – 02
Standard Specification for
High-Strength Zinc-Coated (Galvanized) Steel Core Wire for
Aluminum and Aluminum-Alloy Conductors, Steel
1
Reinforced
This standard is issued under the fixed designation B 606; 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. Terminology
1.1 This specification covers round, high-strength, zinc- 3.1 Definitions:
coated (galvanized), steel core wire with Class A zinc coating 3.1.1 lot—unless otherwise specified in the contract or
used for mechanical reinforcement in the manufacture of order, a lot shall consist of all coils of wire of the same
special aluminum and aluminum-alloy conductors, steel rein- diameter and unit lengths submitted for inspection at the same
forced. time.
1.2 This specification covers wire of diameter from 0.0500
4. Ordering Information
to 0.1900 in. inclusive.
4.1 Orders for material under this specification shall include
1.3 The values stated in inch-pound units or SI units are to
be regarded separately as standard. The values in each system the following information:
4.1.1 Quantity of each size,
are not exact equivalents; therefore, each system shall be used
independently of the other. Combining values from the two 4.1.2 Wire diameter in inches (Section 13),
4.1.3 Certification, if required (Section 18),
systems may result in nonconformance with this specification.
4.1.4 Test report, if required (Section 18), and
2. Referenced Documents
4.1.5 Package size (Section 19).
2.1 The following documents of the issue in effect on date
5. Materials and Manufacture
of material purchase form a part of this specification to the
5.1 The base metal shall be steel produced by the open-
extent referenced herein.
hearth, electric-furnace, or basic-oxygen process.
2.2 ASTM Standards:
A 90/A 90M Test Method for Weight [Mass] of Coating on 5.2 The wire shall be cold drawn and coated with zinc to
2
produce the desired properties.
Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
A 370 Test Methods and Definitions for MechanicalTesting 5.3 The slab zinc used for coating shall be high grade or
3
better, conforming to Specification B 6.
of Steel Products
A 751 Test Methods, Practices, and Terminology for
3 6. Chemical Composition
Chemical Analysis of Steel Products
4
6.1 The steel shall conform to the requirements prescribed
B 6 Specification for Zinc
in Table 1.
B 193 Test Method for Resistivity of Electrical Conductor
5
Materials
TABLE 1 Chemical Requirements
Element Composition, %
1
This specification is under the jurisdiction of ASTM Committee B01 on
Carbon 0.50 to 0.88
Electrical Conductors and is the direct responsibility of Subcommittee B01.05 on
Manganese 0.50 to 1.30
Conductors of Ferrous Metals.
Phosphorus, max 0.035
Current edition approved Oct. 10, 2002. Published October 2002. Originally
Sulfur, max 0.045
published as B 606 – 75. Last previous edition B 606 – 98.
Silicon 0.10 to 0.35
2
Annual Book of ASTM Standards, Vol 01.06.
3
Annual Book of ASTM Standards, Vol 01.03.
6.2 Chemical analysis shall be conducted in accordance
4
Annual Book of ASTM Standards, Vol 02.04.
5 with Test Methods, Practices, and Terminology A 751.
Annual Book of ASTM Standards, Vol 02.03.
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B 606–02
TABLE 2 Tensile Requirements
Specified Diameter Stress at 1 % Extension, min Ultimate Tensile Strength, min Elongation in 10 in. or
250 mm, min %
in. mm ksi MPa ksi MPa
0.0500 to 0.0899, incl 1.270 to 2.283, incl 210 1450 235 1620 3.0
0.0900 to 0.1199, incl 2.286 to 3.045, incl 205 1410 230 1590 3.0
0.1200 to 0.1399, incl 3.048 to 3.553, incl 200 1380 225 1550 3.5
0.1400 to 0.1900, incl 3.556 to 4.823, incl 195 1340 220 1520 3.5
TABLE 3 Initial Settings for Determining Stress at 1 % Extension
Specified Diameter Initial Stress Initial Setting of Extensometer
in. mm ksi MPa in./in. or mm/mm
0.0500 to 0.0899, incl 1.270 to 2.283, incl 14 97 0.0005 (0.05 % extension)
0.0900 to 0.1199, incl 2.286 to 3.045, incl 28 193 0.0010 (0.10 % extension)
0.1200 to 0.1900, incl 3.048 to 4.832, incl 42 290 0.0015 (0.15 % extension)
7. Tensile Test aroundacylindricalmandrelhavingadiameterasprescribedin
Table 5, without cracking or flaking the zinc coating to such an
7.1 The zinc-coated steel core wire shall conform to the
extent that any zinc can be removed by rubbing with the bare
tensile and elongation requirements prescribed in Table 2.
fingers.
7.2 Tensile tests shall be conducted in accordance with Test
Meth
...