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GB/T 43888-2024: Method for ultrasonic testing of rails
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Method for ultrasonic testing of rails
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GB/T 43888-2024
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Basic data | Standard ID | GB/T 43888-2024 (GB/T43888-2024) | | Description (Translated English) | Method for ultrasonic testing of rails | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H26 | | Classification of International Standard | 77.040.20 | | Word Count Estimation | 26,231 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43888-2024: Method for ultrasonic testing of rails---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 77:040:20
CCSH26
National Standards of People's Republic of China
Rail Ultrasonic Testing Method
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Detection Method 2
5 General requirements 2
6 Comparison test block 3
7 Testing equipment 14
8 Testing procedures 15
9 Result determination and marking 16
10 Test records and test reports 16
Appendix A (Normative) Probe Performance and Test Methods 17
Foreword
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:
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: Panzhihua Steel and Vanadium Co:, Ltd: of Panzhihua Iron and Steel Group, Metal and Chemical Research Institute of China Academy of Railway Sciences Group Co:, Ltd:
Institute, Cangxin Nondestructive Testing Equipment Suzhou Co:, Ltd:, Sichuan Yaocheng Nondestructive Testing Technology Co:, Ltd:, Gangyan Nake Testing Technology Co:, Ltd:
Company, Pabo Testing Technology Service Co:, Ltd:, Chengdu Advanced Metal Materials Industry Technology Research Institute Co:, Ltd:, Metallurgical Industry Information Standard
Quasi-research institute:
The main drafters of this document are: Zeng Fu, Gao Donghai, Zhang Ying, Liu Changqing, Zhang Jianwei, Zeng Qingxing, Sun Ying, Dong Li, Lü Panfeng, Tu Zhankuan,
Hou Yongqing, Yuan Gangqiang, Wang Yongfeng, Wang Pantao, Xue Jianzhong, Zhou Kaizhu, Huang Fengying, Xing Yaoqi, Zhu Guoqing, Chen Yan, Chen Xiao, Shi Qishuai, Liu Guanglei,
Xu Lei:
Rail Ultrasonic Testing Method
1 Scope
This document specifies the test methods, general requirements, comparison test blocks, test equipment, test procedures, result judgment and standardization of rail ultrasonic testing:
Records, test records and test reports:
This document is applicable to the ultrasonic testing of railway rails: The ultrasonic testing of other rails shall be carried out in accordance with this document:
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 9445 Qualification and certification of non-destructive testing personnel
GB/T 11259 Method for making and controlling steel reference test blocks for non-destructive testing and ultrasonic testing
GB/T 12604:1 Nondestructive testing terminology Ultrasonic testing
GB/T 20737 General terms and definitions for non-destructive testing
GB/T 23905 Test blocks for non-destructive testing - ultrasonic testing
GB/T 27664:1 Non-destructive testing - Performance and inspection of ultrasonic testing equipment - Part 1: Instruments
GB/T 27664:2 Non-destructive testing - Performance and inspection of ultrasonic testing equipment - Part 2: Probes
3 Terms and definitions
The terms and definitions defined in GB/T 12604:1 and GB/T 20737 and the following apply to this document:
3:1
Any point on the longitudinal symmetry axis of the lower surface of the rail:
3:2
Stability
The actual sensitivity variation during rail inspection:
3:3
Test blocks are made according to the specified method and artificial defects required by the technical conditions of rails:
3:4
dynamic sample raildynamicsamplerail
Used for dynamic adjustment, with the same shape as the rail being tested and without natural defects, made according to the specified artificial defects, and with a length of not less than 6m
Sample track:
3:5
Reference sensitivity
The artificial defect wave height reaches the sensitivity value of the specified alarm gate:
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