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GB/T 9944-2025: Stainless-steel wire ropes
Status: Valid GB/T 9944: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 9944-2025 | English | 679 |
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Stainless-steel wire ropes
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GB/T 9944-2025
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| GB/T 9944-2015 | English | 125 |
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Stainless Steel Wire Ropes
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GB/T 9944-2015
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| GB/T 9944-2002 | English | 439 |
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Stainless steel wire ropes
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GB/T 9944-2002
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| GB/T 9944-1988 | English | 399 |
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Stainless steel wire ropes
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GB/T 9944-1988
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Basic data | Standard ID | GB/T 9944-2025 (GB/T9944-2025) | | Description (Translated English) | Stainless-steel wire ropes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H49 | | Classification of International Standard | 77.140.65 | | Word Count Estimation | 34,359 | | Date of Issue | 2025-08-29 | | Date of Implementation | 2026-03-01 | | Older Standard (superseded by this standard) | GB/T 9944-2015 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | GB/T 9944-2025: Stainless-steel wire ropes---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/GBT9944-2025
ICS 77.140.65
CCSH49
National Standard of the People's Republic of China
Replaces GB/T 9944-2015
stainless steel wire rope
(ISO 3444.2023,MOD)
Released on August 29, 2025
Implementation on March 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 9944-2015 "Stainless Steel Wire Rope". Compared with GB/T 9944-2015, except for structural adjustments and editorial changes,
In addition to the dynamic, the main technical changes are as follows.
--- Changed the scope of application of wire rope (see Chapter 1, Chapter 1 of the.2015 edition);
--- Changed the nominal diameter range of wire rope, added wire rope structure 1×12M, 1×13, 1×37M, 6×36WS,
6×37M, 8×7, 8×36WS and 18×7 (see Table 1, Table 1 of the.2015 edition);
--- Added the provision that wire ropes are divided into SA and SB categories according to steel grades (see 4.1.2);
--- Added classification by wire rope grade (see 4.1.3);
--- Changed the marking of wire rope (see 4.2, 4.2 of the.2015 edition);
--- Added ordering content (see Chapter 5);
--- Added surface requirements for steel wire ropes coated with transparent nylon (see 6.1);
--- Changed the provisions for steel wire joints (see 6.2, 6.2.3 of the.2015 edition);
--- Changed the lubrication requirements and added the requirements for wire rope grease for pulley compensation devices of electrified railway contact lines (see 6.3,.2015 edition)
6.2.6);
--- Added provisions for the chemical composition of stainless steel and wire rod (see 7.1.1, 7.1.2);
--- Changed the provisions for steel wire, adding the provision that all steel wires of the wire rope should be of the same grade (see 7.1.3,.2015 edition
6.1.1);
--- Increased the types of rope cores (see 7.1.4);
--- Changed the breaking tension regulations, divided the minimum breaking tension value of wire rope into SA, SB and wire rope grades, and added the
Requirements for minimum breaking force after heat treatment (see 7.2.1, 6.3.1 of the.2015 edition);
--- Increased the elongation requirements for single-strand wire ropes (see 7.2.2.3);
--- Added provisions for fatigue performance of wire ropes used in pulley compensation devices for electrified railway catenary systems (see 7.2.3.2);
--- Changed the wire winding performance requirements, changing the rope wire winding to split wire winding (see 7.2.4,.2015 edition
6.1.1.3);
--- Added the provisions on the knotting rate of split wire (see 7.2.5);
--- Increased the requirements for corrosion resistance of wire ropes (see 7.3);
--- Changed the provisions on the nominal diameter range and allowable diameter deviation of steel wire (see Table 5, Table 2 of the.2015 edition);
--- Changed the provisions on the allowable deviation of wire rope diameter (see 7.4.2.1, 5.2.1 of the.2015 edition);
--- Changed the provisions on wire rope lay multiples (see 7.4.2.3, 6.2.4 of the.2015 edition);
--- Changed the batching rules (see 8.1.2, 8.2 of the.2015 edition);
---Added the center steel wire of the single-strand steel wire rope, the center steel wire of the single-layer and multi-layer steel wire rope and the steel core steel wire are not made
Provisions for diameter, winding and knot tensile testing (see 8.1.3);
--- Added provisions for numerical rounding and test value determination (see 8.1.4);
--- Changed the chemical composition inspection requirements and test methods (see 8.2, 7.1 of the.2015 edition);
--- Changed the requirements for surface quality inspection and added the provision that a magnifying glass can be used (see 8.3, 7.3 of the.2015 edition);
--- Added the provisions on fatigue test methods for wire ropes used in pulley compensation devices for electrified railway catenary systems (see 8.5);
--- Changed the provisions of other performance test methods for wire ropes (see 8.6, Chapter 7 of the.2015 edition);
--- Changed the sampling requirements (see 8.7, 8.3 of the.2015 edition);
--- Changed the packaging method and added the stripping packaging method (see 9.2, 9.3, Chapter 9 of the.2015 edition);
--- Added storage and transportation requirements (see 9.4, 9.5);
--- Added the provisions on wire rope acceptance time limit (see 9.6);
--- Added arbitration provisions for wire ropes (see Chapter 10);
--- Added provisions for wire rope safety, use and maintenance (see Chapter 11);
--- Added the calculation formula and coefficient of the minimum breaking force of the wire rope, and changed the minimum breaking force and reference weight (see Appendix D,
5.2.1 of the.2015 edition).
This document is modified to adopt ISO 3444.2023 "Stainless steel wire rope".
Compared with ISO 3444.2023, this document has many structural adjustments. The comparison table of the structural number changes between the two documents is shown in
Appendix A.
This document has many technical differences compared to ISO 3444.2023.
A table of these technical differences and their causes is given in Appendix B.
The following editorial changes have been made to this document.
--- Changed the examples and some typical structural diagrams of wire ropes (see 4.2, Appendix C).
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. Jiangsu Yasheng Metal Products Co., Ltd., Sinosteel Zhengzhou Metal Products Research Institute Co., Ltd., Yancheng
Rongxing Rope Manufacturing Co., Ltd., Jiangsu Songcheng Industrial Development Co., Ltd., Jiangsu Hongze Stainless Steel Wire Rope Co., Ltd., Guangdong Jianlang Hardware Products Co., Ltd.
Co., Ltd., Jiangsu Tianli Stainless Steel Products Co., Ltd., Fubai New Materials (Zhejiang) Co., Ltd., Taizhou Suyang Stainless Steel Wire Rope Co., Ltd.
Company, Taizhou Yuansheng Stainless Steel Products Co., Ltd., Jiangsu Ruijin Wire Rope Sling Co., Ltd., and Metallurgical Industry Information Standards Research Institute.
The main drafters of this document are. Jiang Hongbing, Zhang Pingping, Jiang Hongjun, Chen Yansong, Ren Cuiying, Zhou Jiang, Xu Hua, Wang Xiaozhu, Chen Guangfu, Zhao Bo,
Wang Yaming, Pan Yijie, Jiang Hongjin, Jiang Dongxing, Mu Donglu, Liu Hongjun, Su Diyao, Tao Wenming, Guo Yanfei, Ma Li, Cheng Yan, Wang Hongjun, Jiang Danping,
Jiang Dongyang, Cui Meifang, Wang De'an, Wang Lingjun, and Leng Mingjian.
The previous versions of this document and the documents it replaces are as follows.
---First issued as GB/T 9944-1988 in 1988, first revised in.2002, second revised in.2015;
---This is the third revision.
stainless steel wire rope
1 Scope
This document defines the terms and definitions of stainless steel wire ropes, gives classification and marking, and stipulates the order content, manufacturing process, technical requirements,
Requirements, inspection, packaging, marking, quality certificate, storage, transportation and acceptance time limit, arbitration, safety, use and maintenance.
This document is applicable to various instruments and mechanical transmissions, cables, slings, shock absorbers, contact lines, homes, diamond wires, yachts, buildings and structures, etc.
The stainless corrosion-resistant steel wire rope used (hereinafter referred to as wire rope) is used.
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 223 (all parts) Chemical analysis methods for steel and alloys
GB/T 2104 General provisions for packaging, marking and quality certification of steel wire ropes
GB/T 4356 Stainless steel wire rod
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB/T 8706 Steel Wire Ropes - Terminology, Marking and Classification (GB/T 8706-2017, ISO 17893.2004, MOD)
GB/T 20066 Steel and iron — Sampling and preparation of samples for determination of chemical composition (GB/T 20066-2006, ISO 14284.
1996, IDT)
GB/T 20878 Stainless steel grades and chemical composition
GB/T 29086 Safe use and maintenance of wire ropes
GB/T 43357 Test methods for general properties of wire ropes
TB/T 2073 Technical requirements for electrified railway contact network components
TB/T 2074 Test methods for electrified railway contact network components
TB/T 2075.12 Electrified railway contact network components Part 12.Pulley compensation device
YB/T 4395 Determination of molybdenum, niobium and tungsten content in steel - Inductively coupled plasma atomic emission spectrometry
YB/T 4396 Determination of multi-element content in stainless steel - Inductively coupled plasma atomic emission spectrometry
YB/T 4470 Steel wire for stainless steel wire rope
3 Terms and Definitions
The terms and definitions defined in GB/T 8706 apply to this document.
4 Classification and labeling
4.1 Classification
4.1.1 Steel wire ropes shall be classified in accordance with the provisions of GB/T 8706.Their categories, typical structures and diameter ranges are shown in Table 1.Typical structures
See Appendix C for an example. Wire ropes of other types (including compacted types), structures and diameters can be manufactured based on negotiation between the supplier and the buyer.
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