ASTM B498M-93

Standard Specification for Zinc-Coated (Galvanized) Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR) [Metric] (Withdrawn 1998)

General Information

• Status: Withdrawn
• ICS: 29.060.10 - Wires
• Technical Committee: B01 - Electrical Conductors
• Drafting Committee: B01.05 - Conductors of Ferrous Metals

Standards Content (Sample)

ASTM B498M 93 0759510 051b7b9 588
AMERICAN SOCIETY FOR TESTING AND MATERIALS
[[TB Designation: B 498M - 93
1916 Race St Philadelphia, Pa 19103
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
If not Ikted In the current combined index, will appear in the nexi editiin
Standard Specification for
Zinc-Coated (Galvanized) Steel Core Wire for Aluminum
Conductors, Steel Reinforced (ACSR) [Metric]’
This standard is issued under the fixed designation B 498M; 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 (f) indicates an editorial change since the last revision or reapproval.
5.1.1 Quantity of each size,
1. Scope
5.1.2 Wire size (diameter in millimetres, 1.2),
1.1 This specification covers round zinc-coated steel core
5.1.3 Class of coating (4. i),
wire with three classes of zinc coating used for mechanical
5.1.4 Certification, if required (Section 19),
reinforcement in the manufacture of aluminum conductors,
5.1.5 Test report, if required (Section 19), and
steel-reinforced (ACSR).
5.1.6 Package size (Section 20).
1.2 This specification covers wire of diameter from 1.60
to 4.80 mm, inclusive. The specified diameter shall be
6. Materials and Manufacture
expressed in millimetres and decimal fractions of a
6.1 The steel shall be of such quality that, when processed,
millimetre in two decimal places.
the finished wire shall be free of pipe and undue segregation.
NOTE 1-This metric specification is the metric companion of
6.2 The wire shall be cold drawn and hot galvanized or
Specification B 498.
electro-galvanized to produce the desired properties.
6.3 The slab zinc when used shall conform to Specifica-
2. Referenced Documents
tion B 6, High Grade or better.
2.1 ASTM Srandards:
7. Chemical Composition
A 90 Test Method for Weight of Coating on Zinc-Coated
7.1 The steel shall conform to the requirements prescribed
(Galvanized) Iron and Steel Articles2
in Table 2.
A 370 Test Methods and Definitions for Mechanical
Testing of Steel Products3 7.2 Chemical analysis shall be conducted in accordance
A 75 1 Test Methods, Practices, and Terminology for with Test Methods A 75 1.
Chemical Analysis of Steel Products3
8. Tensile Properties
B 6 Specification for Zinc (Slab Zinc)5
8.1 The material, as represented by the test specimens,
B 193 Test Method for Resistivity of Electrical Conductor
shall conform to the tensile properties prescribed in Table 3. .
Materials6
8.2 Tensile tests shall be conducted in accordance with
3. Terminology
Test Methods A 370, using the initial settings for deter-
mining stress at 1 % extension given in Table 4 of this
3.1 Definition:
specification.
3.1.1 lot-unless otherwise specified in the contract or
8.3 Test Specimens-The test specimens shall be free of
order, a lot shall consist of all coils of wire of the same
bends or kinks other than the curvature resulting from the
diameter, class of coating, and unit lengths submitted for
usual coiling operations. Any hand straightening necessary to
inspection at the same time.
permit insertion of the specimen in the jaws of the testing
machine shall be performed by drawing between wood
4. Classification
blocks or by some other equally satisfactory means.
4.1 The wire is furnished in three classes of coating, Class
A, Class B, or Class C, as specified, in conformance with the
9. Wrap Test
requirements of Section 1 O and Table 1,
9.1 The material, as represented by the test specimens,
shall not fracture when the galvanized wire is wrapped at a
5. Ordering Information
rate not exceeding 15 turns/min in a close helix of at least
5.1 Orders for material under this specification shall
include the following information:
TABLE 1 Class of Coaiina
Zlnc Coating, min, g/m2 of Uncoated Wire Surface
specified Diameter of
I This specification is under the jurisdiction of ASTM Committee B-I on
Coated Wire, mm Class A Class 0 Class C
Electrical Conductors and is the direct responsibility of Subcommittee BO1.05 on
1.60 to 1.90, Incl 21 o 420 630
Conductors of Ferrous Metals.
Over 1-90 to 2.30, Incl 220 440 660
Current edition approved Jan. IS, 1993. Published March 1993. Originally
Over 2.30 to 2.70, Incl 230 460 690
published ils B 498M - 83. Last previous edition B 498M - 83 (1988)f1.
Over 2.70 to 3.10, Incl 240 480 720
2 Atitiirul Il~xik oJASTM S/undurds, Vols 01.06 and 02.03.
Over 3.10 to 3.50, Incl 260 520 780
3 Annirul Ilwk of ASTM Stundurds, Vol O 1.03.
Over 3.50 to 3.90, incl 270 540 810
Annual Book oJASTM Slandards, Vol 01.06.
Over 3.90 to 4.50, incl 275 550 825
Annual Bwk of ASTM Standards, Vols 02.03 and 02.04.
Over 4.50 to 4.80, Incl 300 600 900
Annual Bwk of ASTM Slatidards, Vol 02.03.

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