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GB/T 41966-2022 English PDF

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GB/T 41966-2022: Ultrasonic phased array testing method for seamless steel tubes
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 41966-2022	English	279	Add to Cart	3 days [Need to translate]	Ultrasonic phased array testing method for seamless steel tubes	Valid	GB/T 41966-2022

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Basic data

Standard ID	GB/T 41966-2022 (GB/T41966-2022)
Description (Translated English)	Ultrasonic phased array testing method for seamless steel tubes
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Classification of International Standard	77.040.20
Word Count Estimation	14,110
Date of Issue	2022-12-30
Date of Implementation	2023-07-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 41966-2022: Ultrasonic phased array testing method for seamless steel tubes

---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 Phased array ultrasonic testing method for seamless steel pipe Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 5 Testing equipment 3 6 test block 3 7 Detection method 4 8 Detection equipment settings 5 9 Test procedure 5 10 acceptance 5 11 Records and Reports 5 Appendix A (Normative) Inspection method for longitudinal flaws of steel pipes with a ratio of wall thickness to outer diameter greater than 0.2 7 Appendix B (informative) Ultrasonic detection of oblique defects 8 Appendix C (Normative) Method for Measuring the Equivalent Axial Width of the Sound Beam 9 Appendix D (Normative) Measurement method of sound beam circumferential equivalent width 10

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 contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Iron and Steel Industry Association. This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This document is drafted by. Wuhan Zhongke Innovation Technology Co., Ltd., China Petroleum Materials Co., Ltd., Shanxi Taigang Stainless Steel Pipe Co., Ltd., Steel Research Nanoco Testing Technology Co., Ltd., Metallurgical Industry Information Standard Research Institute, Wuhan Dehua Testing Engineering Co., Ltd., Hubei University of Technology, Tsinghua University, Baofeng Steel Industry Group Co., Ltd. The main drafters of this document. Wang Zicheng, Lin Guanghui, Liu Haiping, Zhang Lin, Zhang Jianwei, Dong Li, Yang Lang, Song Xiaochun, Huang Songling, Han Shifeng, Han Zhixiong, Gui Linlin, Guo Jianlong, Guo Lei, Liu Guanglei, Tu Jun, Xue Jianzhong, Jin Yaohui, Li Yuke.

Introduction

As an important component of pressure piping for special equipment, seamless steel pipes are mainly used in steel pipe manufacturing, electric power, chemical equipment manufacturing and petroleum gas Natural gas pipeline laying and other industries. This document is formulated to vigorously promote phased array ultrasonic testing technology for seamless steel pipes. In the field of non-destructive testing of seamless steel pipes, the conventional single (double) crystal echo testing technology is difficult to take into account the beam width and resolution, so there is a Low measurement efficiency, difficulty in achieving 100% coverage of the sound beam, difficulty in changing the detection angle and depth of focus, etc. Phased Array Ultrasonic Testing Technology Power Consumption Sub-scanning replaces part of mechanical scanning and wafer geometric splicing, which significantly reduces the complexity of scanning machinery and greatly improves the sensitivity of ultrasonic scanning. The degree of consistency and system signal-to-noise ratio shortens the system debugging time and improves the ability and accessibility of ultrasonic nondestructive testing. The formulation of this document is conducive to improving the detection efficiency and detection ability of seamless steel pipes, and promoting the progress of nondestructive testing technology for seamless steel pipes. Phased array ultrasonic testing method for seamless steel pipe

1 Scope

This document specifies the instruments and equipment, test blocks, testing methods, equipment settings, testing procedures, acceptance, Record and report. This document applies to flaws in seamless steel pipes (hereinafter referred to as "steel pipes") with an outer diameter of not less than 6 mm and a ratio of wall thickness to outer diameter of not more than 0.2. phased array ultrasonic testing. Note. The detection methods specified in this document are mainly used to detect defects that destroy the metallic continuity of steel pipes.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 5777-2019 Full-circumference automatic ultrasonic testing of longitudinal and/or transverse flaws in seamless and welded (except submerged arc welded) steel pipes GB/T 9445 Qualification and certification of non-destructive testing personnel GB/T 12604.1 Nondestructive Testing Terminology Ultrasonic Testing GB/T 20490 Ultrasonic detection of lamination flaws in pressure-bearing seamless and welded (except submerged arc welded) steel pipes GB/T 20737 General terms and definitions for nondestructive testing GB/T 32563 Non-destructive Testing Ultrasonic Testing Phased Array Ultrasonic Testing Method NB/T 47013.15 Non-destructive testing of pressure equipment - Part 15.Phased array ultrasonic testing YB/T 4082 Comprehensive performance test method of automatic ultrasonic testing system for steel pipes and steel rods ISO 11484 Steel products employer's non-destructive testing personnel qualification system (Steelproducts-Employer'squalifi- ISO 18563-1 Characterization and verification of ultrasonic phased array equipment for nondestructive testing Part 1.Instruments (Non-destructive ISO 18563-2 Characterization and verification of ultrasonic phased array equipment for nondestructive testing Part 2.Probes (Non-destructive

3 Terms and Definitions

The following terms and definitions defined in GB/T 12604.1, GB/T 20737, GB/T 32563 and NB/T 47013.15 apply to this document. 3.1 phased array image phasearrayimage Different display formats for phased array ultrasound acquisition data. Note. Common modes include A-display, L-display, C-display, D-display, etc. 3.2 phased array signal phasearraysignal Phased array image or waveform to be evaluated.

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