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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3428-2024: Zinc-coated steel wires for overhead electrical conductors Status: Valid GB/T 3428: Historical versions
Basic dataStandard ID: GB/T 3428-2024 (GB/T3428-2024)Description (Translated English): Zinc-coated steel wires for overhead electrical conductors Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K11 Classification of International Standard: 29.060.10 Word Count Estimation: 18,133 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Older Standard (superseded by this standard): GB/T 3428-2012 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 3428-2024: Zinc-coated steel wires for overhead electrical conductors---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 29:060:10 CCSK11 National Standards of People's Republic of China Replaces GB/T 3428-2012 Galvanized steel wire for overhead conductors Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Models and representation methods 1 4:1 Model 1 4:2 Representation method 2 5 Materials 2 6 Technical Requirements 2 6:1 Surface quality 2 6:2 Diameter and deviation 2 6:3 Mechanical properties 2 6:4 Plating 6 6:5 Connectors 7 6:6 Calculation of standard values 7 7 Test methods 7 7:1 Surface quality 7 7:2 Diameter and deviation 7 7:3 Stress at 1% elongation 8 7:4 Breaking force and elongation test 8 7:5 Winding test 8 7:6 Torsion test 8 7:7 Coating test 9 8 Inspection Rules 9 9 Packaging and Labeling 10 9:1 Packaging 10 9:2 Sign 10 Appendix A (Normative) Determination of aluminum content in zinc-aluminum alloy coatings 11 Table 1 Code and Name 1 Table 2 Mechanical properties of grade 1 strength coated steel wire Table 3 Mechanical properties of grade 2 strength coated steel wire Table 4 Mechanical properties of grade 3 strength coated steel wire Table 5 Mechanical properties of grade 4 strength coated steel wire Table 6 Mechanical properties of grade 5 strength coated steel wire Table 7 Mechanical properties of grade 6 strength coated steel wire 5 Table 8 Mechanical properties of grade 7 strength coated steel wire 5 Table 9 Mechanical properties of grade 8 strength coated steel wire 6 Table 10 Coating quality requirements 6 Table 11 Immersion test requirements 7 Table 12 Initial stress and extensometer starting value for measuring stress at 1% elongation 8 Table 13 Inspection Rules 9ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 3428-2012 "Galvanized steel wire for overhead stranded conductors": Compared with GB/T 3428-2012, in addition to structural adjustments and In addition to editorial changes, the main technical changes are as follows: --- The model and representation method have been changed (see Chapter 4, Appendix C of the:2012 edition); --- Changed the material requirements (see Chapter 5, Chapter 3 of the:2012 edition); --- Changed the elongation requirements for grade 2 and grade 3 strength zinc-coated steel wires, and changed the 1% elongation requirements for grade 4 and grade 5 strength zinc-coated steel wires: Long-term stress and tensile strength requirements (see 6:2, Chapter 6 of the:2012 edition); --- Added grade 6, 7 and 8 strength zinc-coated steel wire and its performance requirements (see Chapter 6); --- Added zinc-aluminum alloy coated steel wire and its performance requirements (see Chapter 6); --- Added coating uniformity requirements and test methods (see 6:4:4 and 7:7:4); --- Added inspection rules (see Chapter 8); --- Added packaging and marking (see Chapter 9); --- Added the method for determining the aluminum content in zinc-aluminum alloy coating (see Appendix A); --- Deleted the gas volume method and weight method used to determine the quality of the zinc coating (see Appendix A and Appendix B of the:2012 edition): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Electrical Equipment Industry Association: This document is under the jurisdiction of the National Technical Committee for Standardization of Bare Wires (SAC/TC422): This document was drafted by: Shanghai Cable Research Institute Co:, Ltd:, Shanghai Guolan Testing Co:, Ltd:, Zhejiang Guanming Electric Power New Materials Co:, Ltd: Co:, Ltd:, Gongyi Hengxing Metal Products Co:, Ltd:, Tianjin Huayuan Times Metal Products Co:, Ltd:, Xianyang Baoshi Steel Pipe and Wire Rope Co:, Ltd: Sichuan Donggang New Materials Co:, Ltd:, State Grid Smart Grid Research Institute Co:, Ltd:, Aerospace Electric Group Co:, Ltd:, Hangzhou Cable Co:, Ltd: Co:, Ltd:, Far East Cable Co:, Ltd:, Jiangsu Zhongtian Technology Co:, Ltd:, Jiangsu Hengtong Power Intelligent Network Technology Co:, Ltd:, Yunnan Multi Baosteel Cable Group Co:, Ltd:, Guangdong Xinyaguang Cable Co:, Ltd:, Henan Tongda Cable Co:, Ltd:, Qingdao Hancable Co:, Ltd: Co:, Ltd:, TBEA Shandong Luneng Taishan Cable Co:, Ltd:, Jiangsu Tongguang Qiangneng Transmission Line Technology Co:, Ltd:, Wuxi Jiangnan Cable Co:, Ltd: Co:, Ltd:, TBEA Xinjiang Cable Co:, Ltd:, Kunming Cable Group Kunming Electric Cable Co:, Ltd:, China Academy of Railway Sciences Group Co:, Ltd: Standard Metrology Institute of State Grid Corporation of China, Shaoxing Electric Power Equipment Co:, Ltd:, and State Grid Liaoning Electric Power Co:, Ltd: The main drafters of this document are: Cai Xichuan, Li Guoxing, Wang Hongmei, Tu Guanming, Jiao Zongbao, Yan Lei, He Dong, Zhang Mingliang, Chen Baoan, Yang Minxin, Hu Jianming, Xu Jing, Miao Yaojun, Wu Songmei, Zheng Xiaobin, He Yunping, Wang Junqi, Zhao Xinyuan, Zang Defeng, Gu Yan, Zhang Chuansheng, Zhao Haotan, Song Canfeng, Pan Liko, Wang Jinmiao, Yang Changlong, Miao Xiaolin: The previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 3428-1997 in:1997, first revised in:2002, second revised in:2012; ---This is the third revision: Galvanized steel wire for overhead conductors1 ScopeThis document specifies the model, representation method, material and specifications of galvanized steel wire (including zinc-coated steel wire and zinc-aluminum alloy-coated steel wire) for overhead conductors: Materials, technical requirements, inspection rules, packaging and marking, and describes the corresponding test methods: This document applies to the manufacture, testing and application of galvanized steel wires for overhead conductor structures and/or reinforcement:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 470-2008 Zinc ingot GB/T 1839 Test methods for quality of zinc coating on steel products GB/T 2972 Test method for copper sulfate on zinc coating of galvanized steel wire GB/T 40342 Determination of aluminum content in hot-dip galvanized aluminum alloy coating on steel wire JB/T 8137 (all parts) Delivery trays for wires and cables YS/T 310 Hot-dip zinc alloy ingot3 Terms and definitionsThere are no terms or definitions that require definition in this document:4 Models and representation methods4:1 Model The model of galvanized steel wire for overhead conductors consists of category code, strength grade code and coating level code: The corresponding names are shown in Table 1: Table 1 Code and name Code Classification Code Name category G Galvanized steel wire 5LG zinc-5% aluminum alloy coated steel wire 10LG Zinc-10% Aluminum Alloy Coated Steel Wire power level 1 Level 1 2 Level 2 3 Level 3 ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3428-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 3428-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 3428-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3428-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
