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Description of ASTM-A925 2009ASTM A925 - 03(2009)e1Standard Specification for Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Overhead Ground Wire StrandActive Standard ASTM A925 | Developed by Subcommittee: A05.12 Book of Standards Volume: 01.06 ASTM A925Abstract This guide covers standard specification for high-strength, extra-high-strength, and utilities grades of concentric lay steel wire strand composed of three wires or seven wires with Class A, Class B, or Class C zinc aluminum-mischmetal (Zn-5 Al-MM) alloy coatings specifically intended for use as overhead ground wires or static wires for electric power transmission lines. Alloy-coated steel wires, of varying sizes and grades of strand, shall conform to the specified values of the approximate weight per unit length of strand and the minimum breaking strength of the finished strand. The weight of the three classes of coating shall not be less than the specified value. The steel wires shall meet the required mechanical properties such as breaking strength, elongation, and ductility. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification covers high-strength, extra-high-strength, and utilities grades of concentric lay steel wire strand composed of three wires or seven wires with Class A, Class B, or Class C zinc-5 % aluminum-mischmetal (Zn-5 Al-MM) alloy coatings specifically intended for use as overhead ground wires or static wires for electric power transmission lines. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
ASTM Standards A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings A902 Terminology Relating to Metallic Coated Steel Products B750 Specification for GALFAN (Zinc-5 % Aluminum-Mischmetal) Alloy in Ingot Form for Hot-Dip Coatings E27 Method for Spectrographic Analysis of Zinc and Zinc Alloys by the Solution-Residue Technique E47 Test Methods for Chemical Analysis of Zinc Die-Casting Alloys Other Standard GF-1 Standard Practice for Determination of Cerium and Lanthanum Compositions in Galfan Alloy (5-Al-0.04 % La-0.04 % Ce-Bal SHG Zn)Keywords coated overhead strand; zinc 5 % aluminum-mischmetal alloy-coated overhead strand; Mischmetal alloy-coated steel wire--specifications; Overhead strand--specifications; Steel wire strand--specifications; Zinc-coated steel wire--specifications; ICS Code ICS Number Code 29.240.20 (Power transmission and distribution lines) DOI: 10.1520/A0925-03R09E01 ASTM International is a member of CrossRef. ASTM A925This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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