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GB/T 5616-2014 (GB/T5616-2014)

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GB/T 5616-2014: PDF in English (GBT 5616-2014)

GB/T 5616-2014
GB
NATIONAL STANDARD
OF THE PEOPLE’S 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...
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.