NB/T 47013.3-2023 English PDF (NBT47013.3-2023)

Delivery: 3 seconds. Download true-PDF + Invoice.
Get QUOTATION in 1-minute: Click NB/T 47013.3-2023
Historical versions: NB/T 47013.3-2023
Preview True-PDF (Reload/Scroll if blank)

NB/T 47013.3-2023: Nondestructive testing of pressure equipment - Part 3: Ultrasonic testing
NB/T 47013.3-2023
NB
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.040.20
CCS H 26
Replacing NB/T 47013.3-2015
Nondestructive testing of pressure equipments - Part 3:
Ultrasonic testing
ISSUED ON: DECEMBER 28, 2023
IMPLEMENTED ON: JUNE 28, 2024
Issued by: National Energy Administration
Table of Contents
Foreword ... 6
1 Scope ... 8
2 Normative references ... 8
3 Terms and definitions ... 9
4 General requirements ... 11
5 Ultrasonic testing methods and quality rating of raw materials or parts for pressure
equipment ... 21
6 Ultrasonic testing method and quality rating for welded joints of pressure equipment
... 51
7 Ultrasonic testing method for thickness of pressure equipment ... 76
8 Ultrasonic testing methods for pressure equipment in use ... 84
9 Ultrasonic testing records and reports ... 93
Appendix A (Normative) Electrical performance index requirements for ultrasonic
detectors ... 95
Appendix B (Normative) Performance index requirements for ultrasonic detection
probes ... 98
Appendix C (Normative) Performance requirements of dual chip straight probes .. 100
Appendix D (Normative) Testing method and acceptance criteria for plates for pressure
equipment by ultrasonic oblique probe ... 102
Appendix E (Normative) Ultrasonic oblique probe testing method and quality rating of
carbon steel and low alloy steel annular and cylindrical forgings for pressure equipment
... 105
Appendix F (Normative) Ultrasonic oblique probe testing method for austenitic
stainless steel ring and cylindrical forgings for pressure equipment ... 111
Appendix G (Normative) Ultrasonic testing methods and quality rating of weld overlays
for pressure equipment ... 114
Appendix H (Normative) Ultrasonic testing method and quality rating for butt joints of
aluminum, aluminum alloy, titanium pressure equipment ... 119
Appendix I (Normative) Ultrasonic testing method and quality rating of austenitic
stainless steel and nickel-based alloy welded joints of pressure equipment ... 122
Appendix J (Normative) Ultrasonic testing method for curved longitudinal butt joints
of pressure equipment ... 142
Appendix K (Normative) Ultrasonic testing method for curved circumferential butt
joints of pressure equipment ... 146
Appendix L (Normative) Ultrasonic testing method for fillet joints between tubes and
cylinders (or heads) of pressure equipment ... 149
Appendix M (Normative) Ultrasonic testing method for T-shaped welded joints of
pressure equipment ... 154
Appendix N (Normative) Specific requirements for ultrasonic testing of different types
of welded joints ... 156
Appendix O (Normative) CSK-IIIA test block ... 167
Appendix P (Normative) Determination of transmission loss difference of acoustic
energy ... 168
Appendix Q (Normative) Echo dynamic waveform mode ... 172
Appendix R (Normative) Defect height measurement method (I): Determination of
defect height by end-point diffraction wave method ... 175
Appendix S (Normative) Defect height measurement method (II): Defect height
determination by end maximum echo method ... 180
Appendix T (Normative) Defect height measurement method (III): -6 dB method for
measuring defect height ... 183
Appendix U (Informative) Ultrasonic testing methods for pressure equipment using
imaging technology ... 186
Nondestructive testing of pressure equipments - Part 3:
Ultrasonic testing
1 Scope
1.1 This document specifies the method and quality rating requirements for ultrasonic
testing of pressure equipment, using the A-type pulse reflection method.
1.2 This document is applicable to the ultrasonic testing of raw materials, parts, welded
joints made of metal materials, during the production and use of pressure equipment.
1.3 The ultrasonic testing of metal support parts and structural parts (including welded
joints) related to pressure equipment can be carried out, in accordance with the
provisions of this document.
1.4 When ultrasonic imaging technology combining A-type display and other display
methods is used for testing, it can also be carried out in accordance with the provisions
of this document.
2 Normative references
The contents of the following documents constitute the essential provisions of this
document through normative references in the text. Among them, for referenced
documents with dates, only the version corresponding to that date applies to this
document; for referenced documents without dates, the latest version (including all
amendments) applies to this document.
GB/T 699 Quality carbon structural steels
GB/T 11259 Non-destructive testing - Practice for fabrication and control of steel
reference blocks used in ultrasonic testing
GB/T 12604.1 Non-destructive testing - Terminology - Ultrasonic testing
GB/T 27664.1 Non-destructive testing - Characterization and verification of
ultrasonic test equipment - Part 1: Instruments
GB/T 27664.2 Non-destructive testing - Characterization and verification of
ultrasonic test equipment - Part 2: Probes
GB/T 29460 Safety evaluation for electrofusion joint of polyethylene tubes
containing defects
GB/T 30579 Damage modes identification for pressure equipments
JB/T 8428 Non-destructive testing - General specification for ultrasonic blocks
JB/T 9214 Non-destructive testing - Test methods for evaluating performance
4 General requirements
4.1 Testing personnel
4.1.1 The general requirements for ultrasonic testing personnel shall comply with the
provisions of NB/T 47013.1.
4.1.2 In addition to understanding and mastering basic ultrasonic theory and necessary
practical experience, ultrasonic testing personnel shall also have certain basic
knowledge of metal materials, equipment manufacturing and installation, welding and
heat treatment; be familiar with the material, manufacturing process and acoustic
characteristics of the workpiece to be tested; be able to analyze, judge, deal with
problems encountered during testing.
4.2 Testing equipment and instruments
4.2.1 Product quality certificate of ultrasonic testing instrument (hereinafter
referred to as "instrument") and probe
The instrument product quality certificate shall at least give the main performance
parameters, such as preheating time, low voltage alarm voltage or low voltage
automatic shutdown voltage, transmission pulse repetition frequency, effective output
impedance, transmission pulse voltage, transmission pulse rise time, transmission pulse
width (when square wave pulse is used as transmission pulse), receiving circuit band.
The probe quality certificate shall give the main parameters, such as center frequency,
bandwidth, electrical impedance or static capacitance, relative pulse echo sensitivity,
oblique probe sound beam performance (including probe incident point or front edge,
probe refraction angle β or K value, etc.).
4.2.2 Instrument, probe and combination performance
4.2.2.1 Instrument
A-type pulse reflection ultrasonic detector is used. Its operating frequency shall at least
include the frequency range of 0.5 MHz ~ 10 MHz according to -3 dB measurement.
The performance indicators of the instrument shall meet the requirements of Appendix
A. It shall provide certification documents issued by a third-party laboratory accredited
by ISO/IEC 17025, according to the specifications and models.
4.2.2.2 Probe
The diameter of the circular chip shall generally be less than or equal to 40 mm. The
length of any sid...