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GB/T 34644-2017 English PDF

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GB/T 34644-2017: Eddy current testing method for zirconium and zirconium alloy tube
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 34644-2017	English	159	Add to Cart	3 days [Need to translate]	Eddy current testing method for zirconium and zirconium alloy tube	Valid	GB/T 34644-2017

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Basic data

Standard ID	GB/T 34644-2017 (GB/T34644-2017)
Description (Translated English)	Eddy current testing method for zirconium and zirconium alloy tube
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Classification of International Standard	77.040.20
Word Count Estimation	8,829
Date of Issue	2017-09-29
Date of Implementation	2018-04-01
Quoted Standard	GB/T 9445
Regulation (derived from)	National Standard Notice 2017 No. 23
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the zirconium and zirconium alloy pipe eddy current testing methods. This standard applies to the outer diameter 5mm ~ 16mm zirconium and zirconium alloy tube eddy current testing, other specifications of zirconium and zirconium alloy pipe can refer to use.

GB/T 34644-2017: Eddy current testing method for zirconium and zirconium alloy tube

---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.
Eddy current testing method for zirconium and zirconium alloy tube ICS 77.040.20 H26 National Standards of People's Republic of China Eddy current testing of zirconium and zirconium alloy pipes 2017-09-29 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Nonferrous Metals Industry Association. This standard by the National Non-ferrous Metal Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted unit.Nuclear Bao Zirconium Industry Co., Ltd., Bao Titanium Group Co., Ltd., Western Metal Co., Ltd., the new zirconium core Materials Science and Technology Co., Ltd., non-ferrous metal technology and Economy Institute. The main drafters of this standard. Li Heng Yu, Lu Hui, Ma Xiaohuai, Li Xiaoning, Yu Haihui, Feng Hui, Wang Chenyang, Yang Junhong, Ling Haijun, Zhangjiang Feng. Eddy current testing of zirconium and zirconium alloy pipes

1 Scope

This standard specifies the zirconium and zirconium alloy pipe eddy current testing methods. This standard applies to the outer diameter 5mm ~ 16mm zirconium and zirconium alloy tube eddy current testing, other specifications of zirconium and zirconium alloy pipe can refer to use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 9445 non-destructive testing personnel qualification and certification

3 detection principle

Eddy current testing is the use of electromagnetic induction in the conductive specimen surface and near the surface of the eddy current to detect the existence of defects in the specimen method. Zirconium and zirconium alloy pipe, the general adoption of the detection method through the probe can be used single or multi-frequency detection. If necessary, can also be used to put Set the detection method of the probe, placing the probe test, the probe pipe relative to the helical scan to ensure that the seized pipe 100% testing.

4 General requirements

4.1 staff Personnel engaged in eddy current testing should be issued by the competent authorities in line with GB/T 9445 or other certification requirements of the qualification certificate book. People at all levels can only work in line with the qualifications of certificates. 4.2 pipe The inner and outer surfaces of the pipe to be inspected shall be clean and free from fouling, grease, metal debris and other foreign substances which may hinder the test, glitch. The pipe cleaning methods and surface preparation before testing, should not damage the pipe surface. Pipe straightness and dimensional tolerance should be Meet the technical requirements. 4.3 Environment The testing environment should be clean and there should be no magnetic field, vibration, dust, corrosive gas and other interference that may affect the normal operation of the equipment. 4.4 equipment identification Equipment should be based on the use of periodic identification.

5 comparative sample

5.1 Comparative samples are processed with artificial defects of the pipe, used to debug and calibration testing equipment and to judge whether the natural defects meet the standards

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