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ASTM A111-99a(2020)
Standard Specification for Zinc-Coated (Galvanized) “Iron” Telephone and Telegraph Line Wire (Includes all amendments and changes 9/16/2020).
NORMA vydaná dňa 1.9.2020
Informácie o norme:
Označenie normy: ASTM A111-99a(2020)
Dátum vydania normy: 1.9.2020
Kód tovaru: NS-1004861
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM A111-99a(2020) :
This specification covers the standard requirements for iron wire with Class A, Class B, and Class C zinc coatings suitable for use in telephone, telegraph, and signal transmission lines. The zinc used for the coatings shall be of any grade while the base metal shall be made by any commercially-accepted steel-making process. The wire shall be furnished in coils of one continuous length and the welds made prior to the final drawing shall be permitted. Stripping, mechanical, and electrical tests shall be performed, wherein the specimens shall conform to the following required physical, mechanical, and electrical properties: weight and adherence of the coating; breaking strength, elongation, and ductility of the galvanized wire; and weight resistivity of the wire. Finished products shall be furnished in compact coils reasonably symmetrical in shape and marked showing the size, grade, class of coating, ASTM designation, and the name or mark of the manufacturer.
Keywords:
iron products´zinc-coated, steel wire´zinc-coated, telephone/telegraph wire ,, ICS Number Code 33.120.20 (Wires and symetrical cables)
Doplňujúce informácie
| 1. Scope | ||||||||||
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1.1 This specification covers “iron” wire with Class A, Class B, and Class C zinc coatings, suitable for use in telephone, telegraph, and signal transmission. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only. 1.3 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. 1.4 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. |
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| 2. Referenced Documents | ||||||||||
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