GB/T 14451-2025 English PDF

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GB/T 14451-2025: Steel wire ropes for control
Status: Valid

GB/T 14451: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14451-2025	449	Add to Cart	4 days	Steel wire ropes for control	Valid
GB/T 14451-2008	369	Add to Cart	3 days	Steel wire rope for control	Valid
GB/T 14451-1993	439	Add to Cart	4 days	Steel wire ropes for control	Obsolete

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Basic data

Standard ID: GB/T 14451-2025 (GB/T14451-2025)
Description (Translated English): Steel wire ropes for control
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H49
Classification of International Standard: 77.140.65
Word Count Estimation: 22,215
Date of Issue: 2025-06-30
Date of Implementation: 2026-01-01
Older Standard (superseded by this standard): GB/T 14451-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 14451-2025: Steel wire ropes for control

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT14451-2025
ICS 77.140.65 CCSH49 National Standard of the People's Republic of China Replaces GB/T 14451-2008 Manipulation wire rope Released on June 30, 2025 Implementation on January 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface

This 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 14451-2008 "Wire rope for operation". Compared with GB/T 14451-2008, except for the structural adjustment and editing In addition to the functional changes, the main technical changes are as follows. --- Added zinc alloy coating (see Chapter 1, 4.3); --- Changed the structural marking of wire rope (see 4.1, 5.1 of the.2008 edition); --- Added code and marking method (see Chapter 4); --- Changed the order content (see Chapter 5, Chapter 4 of the.2008 edition); --- Added the provisions for residual torsion value (see 6.1); --- Changed the provisions on wire rope lay length (see 6.4, 7.2.1.4 of the.2008 edition); --- Changed the requirements for flexible wire rope after cutting (see 6.6, 7.2.1.6 of the.2008 edition); --- Changed the provisions for wire rod (see 7.1.1, 7.1.1 of the.2008 edition); --- The minimum tensile strength of the steel wire of the flexible steel wire rope is changed to 2160 MPa (see 7.1.2.1, 7.1.2.2 of the.2008 edition); --- Added the provisions for allowable deviation and out-of-roundness of rope wire diameter (see 7.1.2.2); --- Ordinary steel wire rope 1×7 structure nominal diameter increases 0.50mm, 0.70mm steel wire rope, 1×19M structure nominal diameter The steel wire ropes with diameters of 0.50mm, 0.80mm and 0.90mm have been added, and the nominal diameter of 6×7-WSC structure has been increased by 0.80mm. Wire rope. The allowable diameter deviation of ordinary wire rope has been changed (see 7.3.1, 6.2.1 of the.2008 edition); --- Changed the allowable diameter deviation of 6×7-WSC flexible wire rope (see 7.3.2, 6.2.2 of the.2008 edition); --- Changed the minimum breaking force of flexible steel wire rope with a diameter of 1.50 mm (see 7.6, 7.2.2.1 of the.2008 edition); --- Changed the requirements for the minimum fatigue times of flexible wire ropes (see 7.8, 7.2.2.3 of the.2008 edition); --- Changed the time requirements for the neutral salt spray test of flexible steel wire ropes and added the classification of salt spray test time (see 7.9.1,.2008 Version 7.1.6.4); --- Deleted the provisions on the diameter out-of-roundness of split wire (see 6.1 of the.2008 edition); --- The minimum measured tensile strength of the split wire of the flexible steel wire rope is changed to 2060 MPa (see 7.10.2, 7.1.2.2 of the.2008 edition); --- Added the provision that when the purchaser has other requirements, the supply and demand parties shall negotiate and determine them (see 7.11); --- Changed the batching rules, sampling and judgment rules and re-testing provisions (see Chapter 8, Chapter 8 and Chapter 9 of the.2008 edition); --- Changed the provisions for the gauge length of the wire rope elongation test (see 8.2, 8.2.4 of the.2008 edition); --- Changed the provisions for the determination of the straightness of flexible wire ropes (see 8.2, 8.2.7.2 of the.2008 edition); --- Deleted the provision that "weight method shall be used for arbitration test" for coating weight (see 8.2, 8.1.4 of the.2008 edition); --- Increased the requirements for acceptance time limit (see 9.3); --- Changed the packaging and transportation requirements (see 10.2, 10.4, 10.2, 10.4 of the.2008 edition); --- Added the provisions for arbitration inspection (see Chapter 11); --- Added provisions for safe use and maintenance of wire ropes (see Chapter 12); --- Permanent elongation is changed to structural elongation (see Table A.1 to Table A.7, Table 6 to Table 12 of the.2008 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 Iron and Steel Association. This document is under the jurisdiction of the National Technical Committee on Steel Standardization (SAC/TC183). This document was drafted by. Fasten Hongsheng Group Co., Ltd., Jiangsu Fasten Special Steel Products Co., Ltd., Guizhou Wire Rope Co., Ltd. Co., Ltd., Bekaert (Shenyang) Fine Cord Co., Ltd., Hunan Xianggang Metal Materials Technology Co., Ltd., Jining Changlong Steel Wire Rope Co., Ltd., Metallurgical Industry Information Standards Research Institute. The main drafters of this document are. Zhang Chunlei, Liu Hongfang, Chen Yansong, Ren Cuiying, Lu Dong, Wu Bingzhang, Yao Jijuan, Duan Jianqiang, Wang Zipeng, Xu Xiaonan, Leng Mingjian, Su Diyao, Jiao Qiyang, Liu Xiangyu, Shi Hong, Gong Wenbin, Xia Chengtang, Hu Wenbin, Liu Hongjun, Wu Dan, Zhu Weijun, and Wang Lingjun. The previous versions of this document and the documents it replaces are as follows. --- First published as GB/T 14451-1993 in.1993; first revised in.2008; ---This is the second revision. Manipulation wire rope

1 Scope

This document specifies the terms and definitions, classification and marking, ordering content, manufacturing process, technical requirements, inspection, testing, Receipt, packaging, marking, quality certificate, transportation and storage, arbitration inspection, safe use and maintenance. This document applies to zinc or zinc alloy coated carbon steel wire ropes (hereinafter referred to as steel wire ropes) used to operate various mechanical devices (except aviation devices) silk rope).

2 Normative references

The 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 2104 General provisions for packaging, marking and quality certification of steel wire ropes GB/T 8706 Terminology, marking and classification of wire ropes GB/T 24242.2 Non-alloy steel wire rod for wire making - Part 2.Wire rod for general purposes GB/T 24242.4 Non-alloy steel wire rod for wire making - Part 4.Wire rod for special purposes GB/T 27691 Wire rod for steel cord GB/T 29086 Safe use and maintenance of wire ropes GB/T 43357 Test methods for general properties of wire ropes YB/T 081 Rounding off of numerical values in metallurgical technical standards and determination of test values

3 Terms and Definitions

The terms and definitions defined in GB/T 8706 and the following apply to this document. 3.1 Steel wire ropes used for operating various precision mechanical devices with high fatigue resistance requirements (such as automobile electric door and window lifts, etc.). 3.2 Other operating wire ropes except flexible wire ropes.

4 Classification and labeling

4.1 Steel wire ropes are divided into seven categories according to their structure. 1×7, 1×12M, 1×19M, 1×37M, 6×7-WSC, 6×19M-WSC and 8×7-WSC There are two types of WSC structures, among which the 8×7-WSC has two types. 1×19M and 1×19W. 4.2 Steel wire ropes are divided into two types according to their use. ordinary steel wire ropes (codenamed PT) and flexible steel wire ropes (codenamed RX). 4.3 Steel wire coatings are classified into two types. zinc (code Zn) and zinc alloy (code ZnAl, ZnAlRE, ZnAlMg, etc.). 4.4 The marking code of the wire rope shall comply with the provisions of GB/T 8706. ......

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