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Steel wire ropes - Creep testing method
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Basic data
| Standard ID | GB/T 43491-2023 (GB/T43491-2023) |
| Description (Translated English) | Steel wire ropes - Creep testing method |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | H22 |
| Classification of International Standard | 77.040.10 |
| Word Count Estimation | 6,681 |
| Date of Issue | 2023-12-28 |
| Date of Implementation | 2024-04-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43491-2023: Steel wire ropes - Creep testing method
---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 77:040:10
CCSH22
National Standards of People's Republic of China
Wire rope creep test method
Published on 2023-12-28
2024-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols and descriptions 1
5 Principle 2
6 Test equipment 2
7 Sample 2
8 Test procedure 2
9 Test data processing 3
10 Test Report 3
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:
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: Guizhou Steel Rope Co:, Ltd:, China Machinery Testing Equipment Co:, Ltd:, Kunshan Wangzhang Testing Technology Co:, Ltd:
Division, National Wire Rope Product Quality Inspection and Testing Center (Nantong Product Quality Supervision and Inspection Institute), Xiamen Special Equipment Inspection and Testing Institute, Shenzhen
Shenzhen Sansi Zongheng Technology Co:, Ltd:, Metallurgical Industry Information Standards Research Institute:
The main drafters of this document: Yan Zhiyuan, She Zhongming, Chen Qingfeng, Zhang Dongmei, Chen Jianhao, Fu Xibin, Dong Li, Liang Tingfeng, Leng Jun, Xie Ke,
Wang Jing, Yang Jinyan, Lai Yongquan, He Guangcheng, Hou Huining, Feng Ligang:
Wire rope creep test method
1 Scope
This document specifies the principles, test equipment, specimens, test procedures, test data processing and test reports of wire rope creep tests:
This document is applicable to the determination of creep properties of steel wire ropes under constant load:
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 8170 Numerical rounding rules and expression and determination of limit values
GB/T 8358 Method for determination of breaking tension of steel wire ropes
GB/T 12160 Calibration of extensometer systems for uniaxial testing of metallic materials
GB/T 16825:1 Inspection and calibration of static uniaxial testing machines for metallic materials Part 1: Tensile and/or compression testing machines
Inspection and calibration of force measuring systems
GB/T 24191 Determination method of actual elastic modulus of steel wire rope
3 Terms and definitions
The terms and definitions defined in GB/T 8358 and GB/T 24191 and the following apply to this document:
3:1
Under the conditions of maintaining constant load and constant temperature, the length of the wire rope elongates with time after eliminating time-independent inelastic deformation:
Phenomenon:
3:2
Af
Under constant load and constant temperature conditions, the ratio of the increment of the reference length of the wire rope at any time to the original reference length
Score:
4 Symbols and descriptions
The symbols and descriptions given in Table 1 apply to this document:
Table 1 Symbols and descriptions
Symbol unit description
Af % Creep elongation at time t
...
