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GB/T 12347-2025: Steel wire ropes - Fatigue testing method
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 12347-2025	English	379	Add to Cart	4 days [Need to translate]	Steel wire ropes - Fatigue testing method
GB/T 12347-2008	English	189	Add to Cart	3 days [Need to translate]	Steel wire ropes -- Bending fatigue testing
GB/T 12347-1996	English	559	Add to Cart	4 days [Need to translate]	Steel wire rope--Bending fatigue testing
GB 12347-1990	English	239	Add to Cart	2 days [Need to translate]	Steel wire ropes up to 9. 5mm in diameter--Bending fatigue testing

GB/T 12347-2025: Steel wire ropes - Fatigue testing method

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ICS 77.040.10 CCSH22 National Standards of the People's Republic of China Replaces GB/T 12347-2008 and GB/T 38814-2020 Fatigue test method for wire rope Published on 2025-12-02 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 12347-2008 "Test Method for Bending Fatigue of Steel Wire Ropes" and GB/T 38814-2020 "Steel Wire Ropes and Fittings". "Fatigue Testing Methods". This document is based on GB/T 12347-2008 and incorporates content from GB/T 38814-2020. Compared with GB/T 12347-2008, apart from structural adjustments and editorial changes, the main technical changes are as follows. a) The scope description has been changed (see Chapter 1, Chapter 1 of GB/T 12347-2008); b) The wording of terms and definitions related to planar reverse bending fatigue test, test wheel, and load-bearing dynamic pulley has been revised (see Chapter 3). Chapter 2 of GB/T 12347-2008); c) Added descriptions of terms and definitions such as axial tensile fatigue test and combined tensile-bending fatigue test (see Chapter 3); d) Added symbols and explanatory descriptions (see Chapter 4); e) The description of the principle of wire rope bending fatigue test has been revised (see 5.1, Chapter 3 of GB/T 12347-2008); f) The principles of axial tensile fatigue testing and combined tension-bending fatigue testing of wire ropes (rigging) have been added (see 5.2). 5.3); g) The description of the wire rope bending fatigue testing machine has been revised (see 6.1, 4.1 of GB/T 12347-2008); h) Requirements for axial tensile fatigue testing machines for wire ropes (rigging) and combined tensile-bending fatigue testing machines for wire rope rigging have been added (see 6.2); i) The description of the wire rope bending fatigue test specimen has been revised (see 7.1, 5.1 of GB/T 12347-2008); j) Requirements for axial tensile fatigue test specimens and combined tensile-bending fatigue test specimens for wire ropes (rigging) have been added (see 7.2, 7.3); k) The description of the wire rope bending fatigue test procedure has been revised (see 8.2, Chapter 6 of GB/T 12347-2008); l) Added requirements for axial tensile fatigue test procedures and combined tensile-bending fatigue test procedures for wire ropes (rigging) (see...) 8.3, 8.4); m) The requirements for test reports have been changed (see Chapter 9, Chapter 7 of GB/T 12347-2008). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Iron and Steel Association. This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This document was drafted by. China Steel Group Zhengzhou Metal Products Research Institute Co., Ltd. (National Metal Products Quality Inspection and Testing Center) Kunshan East Coast Marine Engineering Co., Ltd., Shanghai Shenli Testing Machine Co., Ltd., Metallurgical Industry Information and Standardization Research Institute, Shenzhen Sansi Zongheng Technology Co., Ltd. Joint-stock limited company, China Machinery Testing Equipment Co., Ltd., Beijing Institute of Architectural Design Co., Ltd., University of Science and Technology Beijing, Nantong Shanghai Municipal Product Quality Supervision and Inspection Institute (National Steel Wire Rope Product Quality Inspection and Testing Center), Shanghai Customs Industrial Products and Raw Materials Testing Technology Center Jiangsu Provincial Institute of Product Quality Supervision and Inspection The main drafters of this document are. He Yan, Wang Jing, Li Mingming, Zhang Dongmei, Zhang Ye, Hou Huining, Liu Jie, Gu Chunhua, Wang Zeqiang, Tian Zhen, and Chen Jianhao. Wu Yiwen, Ye Huili, Zhang Beilan, Li Jianfeng, Zhang Pingping, Dong Li, Huang Bin, Hu Yang, Cheng Yuan, Ling Chen, Liu Bo, Zhao Lei, Guo Bicheng, Zhu Yangbo, Zhao Yifeng Yang Mengmeng, Shen Dongyao, Shan Lin, Jiang Tao. This document was first published in.1990, revised for the first time in.1996, revised for the second time in.2008, and this is the third revision. GB/T 38814-2020 "Fatigue Test Method for Wire Ropes and Gears" is incorporated. Fatigue test method for wire rope

1 Scope

This document specifies the principles, testing equipment, specimens, testing procedures, and test reports for the fatigue testing method of steel wire ropes. This document applies to relevant fatigue performance tests of wire ropes and wire rope slings, including wire rope bending fatigue tests and wire rope... (Ringing) Axial tensile fatigue test, wire rope rigging tension and bending combined fatigue test.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 3075 Method for controlling axial force in fatigue testing of metallic materials GB/T 8358 Method for determining the breaking tensile strength of steel wire rope GB/T 25917.1 Uniaxial fatigue testing systems - Part 1.Dynamic force calibration JJG556 Axial Force Fatigue Testing Machine

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 The specimen undergoes a reciprocating bending fatigue test by bending it at a certain angle in one direction through a test wheel within the same plane. 3.2 The specimen undergoes reciprocating bending fatigue testing by bending it at a certain angle in one direction and then at a certain angle in the opposite direction within the same plane using a test wheel. test. 3.3 Fatigue test of the specimen under axial cyclic tensile test force. 3.4 An external force is used to create a periodically changing bending angle between the centerline of the specimen and the loading line of the testing machine, and then a cyclic force is applied to the specimen. Fatigue tests conducted under ring load. 3.5 driving pulley Mounted on a bending fatigue testing machine, and capable of rotating left and right by a certain arc, it drives the specimen in a reciprocating bending motion within its effective length. Wheel or drum. ...