GB/T 20119-2023_English: PDF (GB/T20119-2023)
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Steel wire ropes for balance
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Flat steel wire ropes for balance
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| Standard ID | GB/T 20119-2023 (GB/T20119-2023) | | Description (Translated English) | Steel wire ropes for balance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H49 | | Classification of International Standard | 77.140.65 | | Word Count Estimation | 38,391 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2024-04-01 | | Older Standard (superseded by this standard) | GB/T 20119-2006 | | Drafting Organization | Ansteel Steel Wire Rope Co., Ltd., Shandong Shubote Wire Rope Co., Ltd., Tianjin Goldsach Wire Rope Co., Ltd., Guizhou Steel Rope Co., Ltd., Jiangsu Songcheng Industrial Development Co., Ltd., Ningxia Hengli Wire Rope Co., Ltd., Metallurgical Industry Information Standards Research Institute | | Administrative Organization | National Steel Standardization Technical Committee (SAC/TC 183) | | Proposing organization | China Iron and Steel Industry Association | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | | Standard ID | GB/T 20119-2006 (GB/T20119-2006) | | Description (Translated English) | Flat steel wire ropes for balance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H49 | | Classification of International Standard | 77.140.65 | | Word Count Estimation | 10,159 | | Date of Issue | 2006-03-01 | | Date of Implementation | 2006-09-01 | | Older Standard (superseded by this standard) | GB/T 8918-1996 | | Quoted Standard | GB/T 228; GB/T 238; GB/T 239; GB/T 2104; GB/T 2973; GB/T 8170; GB/T 8707; GB/T 8919; SH/T 0387 | | Drafting Organization | Anshan Iron and Steel Group rope factory | | Administrative Organization | National Steel Standardization Technical Committee | | Regulation (derived from) | National Standard Approval Announcement 2006 No.3 (Total No.90) | | Proposing organization | China Iron and Steel Association | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | | Summary | This standard specifies the size of the balance with a flat rope marks, ordering content, technical requirements, inspection and testing, packaging, marking and quality certification. This standard applies to the balance shaft hoisting equipment used in flat rope (referred to as flat rope). |
GB/T 20119-2023. Balancing wire ropes
ICS 77.140.65
CCSH49
National Standards of People's Republic of China
Replace GB/T 20119-2006
Balancing wire rope
Published on 2023-09-07
2024-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 range 1
2 Normative reference documents 1
3 Terms and Definitions 1
4 Category 1
5 Order contents 4
6 Materials 4
7 Technical requirements 5
8 Inspection and test methods 13
9 Qualification conditions15
10 Acceptance16
11 Safety, use and maintenance 16
12 Packaging, logo and quality certificate 16
Appendix A (normative) Steel wire rope mechanical properties table 17
Preface
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 replaces GB/T 20119-2006 "Flat Steel Wire Rope for Balancing". Compared with GB/T 20119-2006, except for structural adjustment and compilation
In addition to editorial changes, the main technical changes are as follows.
---Added 18 round steel wire rope structures such as 18×7, 34(M)×7, 30×P6-6×19M and PDCR8×[4×12M], etc.
2 flat wire rope structures (see Chapter 4);
--- Added corresponding technical requirements such as the nominal diameter of structural steel wire ropes such as 18×7, 34(M)×7, PDCR8×[4×12M] (see
Chapter 7);
---Increased the weight coefficients of 18×19, 34(M)×19, 35(W)×7 and other categories of steel wire ropes (see Table 5);
---Added the reference weight of the flat steel wire rope after oiling (see 7.6.2, Table A.10);
--- Added conditions for judging the qualification of round steel wire rope split wires (see 9.1).
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Iron and Steel Industry Association.
This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This document was drafted by. Angang Steel Wire Rope Co., Ltd., Shandong Shubote Wire Rope Co., Ltd., Tianjin Goldsheng Wire Rope Co., Ltd.,
Guizhou Steel Rope Co., Ltd., Jiangsu Songcheng Industrial Development Co., Ltd., Ningxia Hengli Steel Wire Rope Co., Ltd., Metallurgical Industry Information Standard Research Institute
Institute.
The main drafters of this document. Zhao Xianhai, Zhang Dan, Wang Lingjun, Ren Cuiying, Chen Ruiyun, Du Jinhua, Yu Keyong, Zhang Chengyu, Wang Xiaozhu,
Hu Qingang, Wang Haiqiang, Gang Shaoke, Chen Yansong, Leng Mingjian, Chu Xinsheng, Liu Yan, Wu Li, Ding Junshan, Su Diyao, Wang Yong.
This document was first published in.2006 and this is the first revision.
Balancing wire rope
1 Scope
This document specifies the classification, ordering content, materials, technical requirements, inspection and testing methods of balancing wire ropes (hereinafter referred to as "wire ropes").
Laws, qualification conditions, acceptance, safety, use and maintenance, packaging, marking and quality certificates.
This document applies to round wire ropes and flat wire ropes used for balancing in coal, metal, non-metal and other mines.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 228.1 Tensile testing of metallic materials Part 1.Room temperature test method
GB/T 238 Test method for repeated bending of metallic material wires
GB/T 239.1 Metallic material wires Part 1.Unidirectional torsion test method
GB/T 2104 General provisions for packaging, marking and quality certificates of wire ropes
GB/T 8358 Method for determination of actual breaking tension of steel wire ropes
GB/T 8706 Wire rope terminology, marking and classification
GB/T 21965 Wire rope acceptance and defect terminology
GB/T 29086 Safe use and maintenance of wire ropes
NB/SH/T 0387 Grease for wire rope
NB/SH/T 6019 Friction hoist wire rope grease and maintenance oil
YB/T 081 Numerical rounding of metallurgical technical standards and determination of test values
YB/T 4452 Steel wire rope fiber core
YB/T 5343 Round steel wire for rope making
YB/T 5357 Steel wire and its products zinc or zinc-aluminum alloy coating
3 Terms and definitions
The terms and definitions defined in GB/T 8706 apply to this document.
4 categories
4.1 Steel wire ropes shall comply with the requirements of GB/T 8706 according to structural classification, see Table 1.If the purchaser does not clearly propose the specific structure of the steel wire rope, it can be determined by
The manufacturer determines itself within the same group in Table 1.
4.2 According to the twisting type and twisting direction, round steel wire ropes are divided into two types. right alternating twisting and left alternating twisting, as shown in Figure 1a) and Figure 1b). Among them, Table 1
The inner rope twisting method of the multi-layer stranded steel wire ropes in Group 4 to Group 9 shall be determined by the manufacturer.
......
GB/T 20119-2006
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.65
H 49
Replacing corresponding part of GB/T 8918-1996
Flat Steel Wire Ropes for Balance
ISSUED ON. MARCH 01, 2006
IMPLEMENTED ON. SEPTEMBER 01, 2006
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Ordering Contents... 5
4 Dimension, Shape, Weight and Permissible Deviation ... 5
5 Technical Requirements ... 9
6 Inspection and Test ... 10
7 Package, Mark and Quality Certificate ... 12
Flat Steel Wire Ropes for Balance
1 Scope
This Standard specifies the dimensional marking, ordering contents, technical
requirements, inspection and test, package, mark and quality certificate of the flat steel
wire ropes for balance.
This Standard is applicable to the flat steel wire ropes for balance of shaft lifting
equipment (referred to as flat steel wire rope).
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 228 Metallic Materials – Tensile Testing at Ambient Temperature (GB/T 228-
2002, ISO 6892.1998, eqv)
GB/T 238 Metallic Materials - Wire - Reverse Bend Test (GB/T 238-2002, ISO
7801.1984, idt)
GB/T 239 Metallic Materials Wire Torsion Test (GB/T 239-1999, ISO 7800.1984,
ISO 9649.1990, eqv)
GB/T 2104 Steel Wire Ropes – Packing, Marking and Certificate - General
Requirements
GB/T 2973 Zinc Coated Steel Wire Test Method for Gravimetric Determination of
Zine Coating
GB/T 8170 Rules of Rounding off for Numerical Values
GB/T 8707 Steel Wire Rope – Standard Designation (GB/T 8707-1988, ISO
3578.1980, idt)
GB/T 8919 Wire for Steel Wire Rope Use
SH/T 0387 Surface Grease for Steel Wire Ropes
3 Ordering Contents
The contract that orders products as per this Standard shall include the main contents
as follows.
a) Standard number;
b) Product name;
c) Structure (marking code);
d) Nominal dimension;
e) Surface state;
f) Nominal tensile strength;
g) Quantity (length);
h) Whether oiled or not;
i) Other requirements (proposed by the purchaser).
4 Dimension, Shape, Weight and Permissible Deviation
4.1 Typical structure, nominal dimension
4.1.1 The typical structure and nominal dimension of flat steel wire rope can refer to
Table 1; while its sectional diagram can refer to Figure 2.
4.1.2 The special structure and nominal dimension shall be negotiated between the
supplier and the purchaser, and indicated in the contract.
4.1.3 The width (including the weft rope) and thickness (position transversely passing
through by the weft rope) of the flat steel wire rope shall not exceed ±10% nominal
dimension stipulated in Table 1.
4.2 Weight
The actual weight per unit of the flat steel wire rope shall not exceed ±5% reference
weight stipulated in Table 1.
4.3 Length and permissible deviation
The number of all steel wires in one sub-rope; but the test quantity of galvanized layer
weight shall be 10% (rounded off to an integer) number of steel wires in sub-rope.
6.1.3 Sampling method
After the manufacture of the sub-rope, take one left and one right alternating twist sub-
rope, respectively; then select the same quantity of left and right twisted strands.
6.1.4 Test method
6.1.4.1 Tensile test
The tensile test shall be carried out as specified in GB/T 228; the numerical value shall
conform to the provisions of 6.3.1.
6.1.4.2 Repeated bending
The repeated bending test shall be carried out as specified in GB/T 238; the numerical
value shall conform to the provisions of 5.3.
6.1.4.3 Torsion
The torsion test shall be carried out as specified in GB/T 239; the numerical value shall
conform to the provisions of 5.4.
6.1.4.4 Galvanized layer weight
The galvanized layer weight test of steel wire shall be carried out as specified in GB/T
2937; the numerical value shall conform to the provisions of 5.6.
6.2 Flat steel wire rope
6.2.1 Dimension measurement
The dimension of flat steel wire rope shall be measured by a Vernier caliper.
The measurement shall be carried out at a distance of no less than 30m away from
end of the flat steel wire rope under no tension.
6.2.2 Weaving quality
The weaving quality of the flat steel wire rope shall be checked by visual examination.
6.3 Qualified conditions
6.3.1 Breaking force
The sum of breaking tensile force of the steel wire in the flat steel wire rope obtained
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