ASTM B452-22

Standard Specification for Copper-Clad Steel Wire for Electronic Application

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STANDARD published on 1.5.2022

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The information about the standard:

Designation standards: ASTM B452-22
Publication date standards: 1.5.2022
SKU: NS-1058378
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Wires

Annotation of standard text ASTM B452-22 :

This specification covers bare round copper-clad steel wire for electronic application. Four classes of copper-clad steel wire are covered as Class 30HS, 30A, 40HS, and 40A. The wire shall consist of a core of homogeneous open-hearth, electric-furnace, or basic-oxygen steel with a continuous outer cladding of copper thoroughly bonded to the core throughout. The copper-lad steel wire shall conform to the tensile strength and elongation requirements. Electrical resistivity test shall be performed at a specified temperature of each class of wire and shall not exceed the values prescribed in this specification. Dimensional measurements shall be made with a micrometer caliper and shall withstand torsion test without fracturing. Copper cladding to the steel of each of the four specimens shall conform to the adhesion criterion. Surface finish shall meet the required allowable number of defects.

Keywords:

clad steel electrical conductor, copper electrical conductor—copper-clad steel, copper-clad steel electrical conductor, electrical conductor, hard drawn copper-clad steel wire, steel wire—copper-clad,, ICS Number Code 29.060.10 (Wires)

Additional information

1. Scope

1.1?This specification covers bare round copper-clad steel wire for electronic application.

1.2?Four classes of copper-clad steel wire are covered as follows:

1.2.1?Class 30HSNominal 30 % conductivity high-strength hard-drawn,

1.2.2?Class 30HS-ANominal 30 % conductivity high-strength annealed,

1.2.3?Class 40HSNominal 40 % conductivity high-strength hard-drawn, and

1.2.4?Class 40HS-ANominal 40 % conductivity high-strength annealed.

1.3?The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are in SI units.

1.4?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.

2. Referenced Documents

NBS	Handbook 100--Copper Wire Tables Available from National Institute of Standards and Technology (NIST), 100 Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.
B193-20	Standard Test Method for Resistivity of Electrical Conductor Materials
B258-18	Standard Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors

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