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GB/T 5616-2014 English PDF (GBT5616-2014)

GB/T 5616-2014 English PDF (GBT5616-2014)

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GB/T 5616-2014: Non-destructive testing -- Guidelines for application

This standard specifies the basic rules to be followed when applying the non-destructive testing (NDT). The purpose of this standard is to guide the proper use of non-destructive testing.
GB/T 5616-2014
GB
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 19.100
J 04
Replacing GB/T 5616-2006
Non-destructive testing - Guidelines for application
ISSUED ON. MAY 06, 2014
IMPLEMENTED ON. DECEMBER 01, 2014
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 NDT summary ... 6
5 Non-destructive testing methods ... 6
6 Safety warning ... 7
7 General principles for application of non-destructive testing ... 7
8 Applicability and limitations of conventional non-destructive testing methods ... 14
Appendix A (Informative) Commonly used national standards on
non-destructive testing ... 19
References ... 26
Foreword
This standard was drafted in accordance with the rules given in GB/T
1.1-2009.
This standard replaces GB/T 5616-2006 ?€?Non-destructive testing - Guidelines for application?€?.
As compared with GB/T 5616-2006, the main changes of this standard are as follows.
- ADD some terms and definitions (SEE Chapter 3; Chapter 3 of the 2006
version);
- DELETE acronyms (Chapter 4 of the 2006 version);
- MODIFY the general principles of application of non-destructive testing (SEE Chapter 7; Chapter 8 of the 2006 version).
This standard was proposed by AND shall be under the jurisdiction of the National Standardization Committee of Non-destructive Testing (SAC/TC 56). The drafting organizations of this standard. Shanghai Materials Research Institute, China Special Equipment Testing and Research Institute, Shanghai Taisi Testing Technology Co., Ltd., China Aviation Industry Corporation Beijing Aeronautical Materials Research Institute, Shanghai Boiler Co., Ltd., Shanghai Jinyi Testing Technology Co., Ltd. China Commercial Aircraft Co., Ltd.
Shanghai Aircraft Design and Research Institute, Mechanical Industry
Non-destructive Testing Center, Mechanical Industry Non-destructive Testing Personal Training Center, Shanghai Engineering Materials Application
Evaluation Key Laboratory.
The main drafters of this standard. Jin Yufei, Shen Gongtian, Shi Yiwei, Yan Jianfang, Luo Funding, Feng Jeanie, Zhang Peiping, Ding Jie, Xu Guozhen, Zhang Yiming.
This Standard replaces the standard previously issued as follows.
- GB/T 5616-1985, GB/T 5616-2006.
Non-destructive testing - Guidelines for application
1 Scope
This standard specifies the basic rules to be followed when applying the non-destructive testing (NDT).
The purpose of this standard is to guide the proper use of non-destructive testing.
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard.
GB/T 9445 Qualification and certification for nondestructive testing
personnel
GB/T 19001 Quality management system - Requirements
GB/T 20737 Non-destructive testing - General terms and definitions
GB/T 27025 General requirements for the competence of testing and
calibration laboratories
3 Terms and definitions
The terms and definitions as defined in GB/T 9445 and GB/T 20737 AND the following terms and definitions apply to this document.
3.1
Assignment
It refers to the written documents by which the employer or the responsible unit requires the unit to conduct and apply the non-destructive testing of an item.
3.2
Contract
It refers to the written documents by which the Employer (the entrusting unit) requires the Contractor (responsible unit) to conduct and apply the
[ISO 9712.2012, definition 3.16]
4 NDT summary
4.1 Non-destructive testing refers to a testing method against the material or workpiece which does not damage or affect its future performance or use. 4.2 Non-destructive testing can be used to detect imperfections in the material or inside and surface of the workpiece, which can be used to measure the geometrical characteristics and dimensions of the workpiece AND can be used to determine the internal composition, structure, physical properties and status of the material or workpiece.
4.3 Non-destructive testing can be applied to product design, material
selection, manufacturing, finished product inspection, in-service inspection (maintenance) and other aspects. Reasonable application of non-destructive testing is not only conducive to quality control, but also effective in cost reduction. The non-destructive testing also helps to ensure safe operation AND/OR efficient use of the product.
5 Non-destructive testing methods
5.1 Non-destructive testing contains a number of methods that have been used effectively. In accordance with the physical principle or the difference of testing object and purpose, the non-destructive testing can be divided into the following methods.
a) Penetrant testing (penetrant testing, PT);
b) Magnetic testing (MT);
c) Visual testing (visual testing, VT);
d) Ultrasonic testing (ultrasonic testing, UT);
e) Eddy current testing (eddy current testing, ET);
f) Radiographic testing (radiographic testing, RT);
g) Leak testing (leak testing, LT);
h) Infrared thermographic testing (TT or IT);
i) Acoustic emission testing (AT or AE).
Note. Any kind of physical principles are likely to be developed and used as non-destructive testing methods, so it shall not rule out other non-destructive testing methods.
manufacturer's exit-factory (or batch) testing shall be qualified and guaranteed by the quality system, which shall comply with the requirements of GB/T 19001.
7.3.1.3 When the manufacturer delivers the non-destructive testing equipment, the accompanied documents shall comply with the requirements of the product standard, AND include at least.
a) Packing list;
b) Product certificate;
c) Product manual (when contracted);
d) Exit-factory testing report (when contracted);
e) Type testing report (when contracted);
f) Product technical data sheet (when contracted).
7.3.1.4 As for the maintained non-destructive testing equipment, it is preferable for the maintenance party to issue the testing report in accordance with the product standard exit-factory testing requirements.
7.3.2 Equipment performance and verification
7.3.2.1 Equipment performance
The working performance of non-destructive testing equipment (including instruments and materials) shall comply with the requirements of the
corresponding non-destructive testing standards.
In order to ensure that the working performance of the NDT equipment
reaches the requirements of the non-destructive testing application standard, it shall follow the requirements of relevant standards OR the user instruction as recommended by the manufacturer to organize the periodic performance
verification (or performance testing). If necessary, it may entrust the third party as recognized by all the parts of the contract to perform the performance test, BUT the non-destructive testing personnel level of the third party shall be not less than the level of the non-destructive testing personnel of the
corresponding methods of the entrusting party.
Note. When the performance verification (or performance testing) of the NDT equipment is not equivalent to that as metered and calibrated, this standard does not cover the metering issue.
7.3.2.2 System performance testing
The working performance of the NDT system shall be tested on the basis of the method recommended by the corresponding non-destructive testing
application standards at least before every day or every time of testing. 7.4.3 Standards or codes
If there is no currently effective and applicable non-destructive testing standard or code, it may determine OR temporarily establish the specific technical documents as recognized by both parties of the contract through negotiation, in order to be used when there is no standard.
Note. The name and form of the specific technical document are not limited, which may be technical agreement or technical plan or part of it or other effective form.
It shall pay attention to selecting the latest version of the on-destructive testing standards. Therefore, non-destructive testing personnel and their units shall keep abreast of the establishment, revision, and update of the relevant non-destructive testing standards.
Appendix A provides a list of commonly used non-destructive testing standards for reference.
7.4.4 Non-destructive testing procedures
7.4.4.1 Non-destructive testing procedures shall be prepared by level 3 personnel. Non-destructive testing procedures shall be prepared in
accordance with the NDT contract or NDT...

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