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NB/T 47013.1-2015

Chinese Standard: 'NB/T 47013.1-2015'
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Detail Information of NB/T 47013.1-2015; NB/T47013.1-2015
Description (Translated English): (Non-destructive testing of pressure equipment - Part 1: General requirements)
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: H26
Date of Issue: 2015-04-02
Date of Implementation: 2015-09-01
Older Standard (superseded by this standard): JB/T 4730.1-2005
Regulation (derived from): ?Energy Bureau Announcement 2015 No. 3

NB/T 47013.1-2015
GB
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.040.20
H 26
Replacing JB/T 4730.1-2005
Nondestructive testing of pressure equipment -
Part 1. General requirements
承压设备无损检测 第 1部分. 通用要求
ISSUED ON. APRIL 2, 2015
IMPLEMENTED ON. SEPTEMBER 1, 2015
Issued by. National Energy Administration
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 6
4 General requirements ... 9
5 Use principle of various nondestructive testing methods ... 12
6 Quality management and safety protection of non-destructive testing ... 20
7 Data and archive of nondestructive testing ... 21
Annex A (Informative) Common defects that can be detected through each
nondestructive testing methods generally ... 25
Foreword
This Standard, NB/T 47013 “Nondestructive testing of pressure equipment”, consists
of the following 13 parts.
- Part 1. General requirements;
- Part 2. Radiographic testing;
- Part 3. Ultrasonic testing;
- Part 4. Magnetic particle testing;
- Part 5. Penetrant testing;
- Part 6. Eddy current testing;
- Part 7. Visual examination;
- Part 8. Leak testing;
- Part 9. Acoustic emission testing;
- Part 10. Ultrasonic time of flight diffraction technique;
- Part 11. Standard practice for X-ray digital radiography;
- Part 12. Magnetic flux leakage testing;
- Part 13. Pulsed eddy current testing.
This Part is Part 1 of NB/T 47013 “General requirements”.
This Part is drafted according to the rules given in GB/T 1.1-2009 “Directives for
standardization - Part 1. Structure and drafting of standards”.
This Part replaces JB/T 4730.1-2005 “Nondestructive testing of pressure equipment -
Part 1. General requirements”, and compared with JB/T 4730.1, the main technical
changes are as follows.
- MODIFY the scope;
- MODIFY the terms and definitions;
- MODIFY the requirements for personnel conducting nondestructive testing;
- ADD the requirements for equipment of nondestructive testing;
Nondestructive testing of pressure equipment –
Part 1. General requirements
1 Scope
This Part of NB/T 47013 specifies the general requirements and use principles of
radiographic testing, ultrasonic testing, magnetic particle testing, penetrant testing,
eddy current testing, leak testing, visual testing, acoustic emission testing, ultrasonic
time of flight diffraction technique testing, X-ray digital radiography testing, magnetic
flux leakage testing, pulsed eddy current testing and other nondestructive testing
methods.
This Part applies to the nondestructive testing of pressure equipment manufactured by
metal materials, both in processing and in use.
2 Normative references
The following documents are necessary to the application of this document. For all
dated references, only the dated edition applies to this document. for all undated
references, the latest edition (including all amendments) applies.
GB/T 12604 (all parts) Non-destructive testing -Terminology
GB/T 20737 Non-destructive testing - General terms and definitions
NB/T 47013.2 Nondestructive testing of pressure equipment - Part 2. Radiographic
testing
NB/T 47013.3 Nondestructive testing of pressure equipment - Part 3. Ultrasonic
testing
NB/T 47013.4 Nondestructive testing of pressure equipment - Part 4. Magnetic
particle testing
NB/T 47013.5 Nondestructive testing of pressure equipment - Part 5. Penetrant
testing
NB/T 47013.6 Nondestructive testing of pressure equipment - Part 6. Eddy current
testing
NB/T 47013.7 Nondestructive testing of pressure equipment - Part 7. Visual testing
NB/T 47013.8 Nondestructive testing of pressure equipment - Part 8. Leak testing
NB/T 47013.9 Nondestructive testing of pressure equipment - Part 9. Acoustic
emission testing
NB/T 47013.10 Nondestructive testing of pressure equipment - Part 10. Ultrasonic
time of flight diffraction technique
NB/T 47013.11 Nondestructive testing of pressure equipment - Part 11. X-ray digital
radioscopic examination
NB/T 47013.12 Nondestructive testing of pressure equipment - Part 12. Magnetic
flux leakage testing
NB/T 47013.13 Nondestructive testing of pressure equipment - Part 13. Pulsed
eddy current testing
3 Terms and definitions
For the purpose of this document, the following terms and definitions defined in GB/T
12604 (all parts) and GB/T 20737 shall apply.
3.1
Nondestructive testing, NDT
On the premise of not damaging testing objects, conduct check and testing to the
internal and surface structure, nature or state of testing objects by using physical or
chemical methods with appropriate equipment according to technical requirements in
specification and analyze and evaluate the result.
3.2
Incomplete penetration
The phenomenon that the joint ends are not completely dissolved in welding. For butt
weld, it also refers to the phenomenon that the welding depth does not meet the design
requirements.
3.3
Lack of fusion
The unbound parts between weld metal and base metal or among weld layers of weld
metal, which may be one of the following forms.
a) The sides are lack of fusion;
The ratio of defects to total defects that can be tested by skilled nondestructive testing
personnel according to given equipment and process documents on workpieces under
given environmental conditions.
4 General requirements
4.1 Testing personnel
4.1.1 Personnel conducting nondestructive testing of pressure equipment shall obtain
corresponding nondestructive testing personnel qualifications according to relevant
provisions about the review to nondestructive testing personnel of national special
equipment.
4.1.2 The qualification of nondestructive testing personnel is divided into class I
(primary), class II (intermediate) and class III (advanced).
4.1.3 Personnel acquiring different qualification classes of different nondestructive
testing methods can only be engaged in nondestructive testing work corresponding to
the method and the qualification.
4.2 Testing equipment and devices
4.2.1 Testing equipment and main devices shall be accompanied with product quality
certification documents.
4.2.2 Testing equipment and devices shall comply with provisions of corresponding
product standard and the performances of them shall meet relevant requirements
specified in the Standard NB/T 47013.2 ~ 47013.13 and certification documents are
required to provide.
4.2.3 For nondestructive testing equipment and devices related to sensitivity used
repeatedly, to ensure that their work performances comply with relevant requirements
of each part of the Standard continuously, the organization undertaking the
nondestructive testing (i.e. testing organization or testing department of enterprises,
hereinafter referred to as the testing organization) shall conduct checking, calibration
or verification regularly (each year or a longer period, according to relevant
requirements of each part of the Standard) and shall specify them in the process rules
of the testing organization.
a) Checking. all nondestructive testing equipment and devices related to sensitivity
listed in the national compulsory verification catalog that shall be conducted with
compulsory testing management shall be sent to qualified legal metrological
verification or authorized metrology institutes for checking;
b) Calibration. regular calibration shall be done to nondestructive testing equipment
documents. According to provisions of this Standard and provisions of NB/T 47013.2
~ 47013.13, it shall select one or more appropriate nondestructive testing methods,
determine the testing technology class, testing rate, qualify requirements, qualified
level and others to form specific testing requirements.
4.3.1.4 When nondestructive testing methods not listed in the provisions of this
Standard or exceeding the applicable scope of this Standard, corresponding
nondestructive testing personnel, equipment and devices and testing process
documents shall be equipped and enterprise standard shall be formed after field test
and technical identification and the enterprise standard shall comply with provisions of
relevant laws and regulations and procedures in actual application.
4.3.2 Process documents of nondestructive testing
4.3.2.1 The testing or......
Related standard:   NB/T 47013.10-2015  NB/T 47013.2-2015
   
 
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