This Standard "Nondestructive Testing of Pressure Equipments" (NB/T 47013) comprises 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 Testing;
- 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 11 of NB/T 47013 (Standard Practice for X-ray Digital Radiography).
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1 Scope
1.1 This Part of NB/T 47013 specifies the testing technique and quality classification requirements of X-ray digital radiography of fusion welding joints of metal pressure components of pressure equipments.
1.2 This Part is applicable to the manufacturing and installation of pressure components of pressure equipments as well as the testing for X-ray digital radiography of welded joint under in-service inspection. Metal materials used for welded joint manufacturing include steel, copper and copper alloy, aluminum and aluminum alloy, titanium and titanium alloy as well as nickel and nickel alloy.
1.3 For this Part, the applicable image device is digital detector; the maximum tube voltage of applicable X-ray machine is not greater than 600kV.
1.4 Testing for X-ray digital radiography of welded joints of supporting members and structural members related to pressure equipments may also be applied by reference.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB 18871 Basic Standards for Protection against Ionizing Radiation and for the Safety of Radiation Sources
GB/T 23901.1 Non-destructive Testing - Image Quality of Radiographs - Part 1: Image Quality Indicators (Wire Type) - Determination of Image Quality Value
GB/T 23901.5 Non-destructive Testing - Image Quality of Radiographs - Part 5: Image Quality Indicators (Duplex Wire Type) - Determination of Image Unsharpness Value
GB/T 23903 Resolution Indicators for Ray Image
GBZ 117 Radiological Protection Standards for Industrial X-ray Detection
NB/T 47013.1 Nondestructive Testing of Pressure Equipments - Part 1: General Requirements
NB/T 47013.2 Nondestructive Testing of Pressure Equipments - Part 2: Radiographic Testing
3 Terms and Definitions
For purpose of this Part, the terms and definitions specified in NB/T 47013.1 and those listed below apply.
3.1
Pixel
Basic composition unit of X-ray digital image. X-ray digital image is composed of points, and each point is referred to as pixel.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirements
5 Testing Method
6 Image Quality and Assessment
7 Testing Result Assessment and Quality Grading (Acceptance)
8 Image Preservation and Storage
9 Testing Record and Report
Appendix A (Normative) Checking Method of System Resolution Ratio
Appendix B (Informative) Typical Radiography Mode
Appendix C (Normative) Identification of Duplex Wire Type Image Quality Indicators
Appendix D (Normative) Test Method for Normalized Signal to Noise Ratio
Appendix E (Informative) Testing Report Format
NB/T 47013.11-2015, NB 47013.11-2015, NBT 47013.11-2015, NB/T47013.11-2015, NB/T 47013.11, NB/T47013.11, NB47013.11-2015, NB 47013.11, NB47013.11, NBT47013.11-2015, NBT 47013.11, NBT47013.11
Introduction of NB/T 47013.11-2015
This Standard "Nondestructive Testing of Pressure Equipments" (NB/T 47013) comprises 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 Testing;
- 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 11 of NB/T 47013 (Standard Practice for X-ray Digital Radiography).
... ...
... ...
1 Scope
1.1 This Part of NB/T 47013 specifies the testing technique and quality classification requirements of X-ray digital radiography of fusion welding joints of metal pressure components of pressure equipments.
1.2 This Part is applicable to the manufacturing and installation of pressure components of pressure equipments as well as the testing for X-ray digital radiography of welded joint under in-service inspection. Metal materials used for welded joint manufacturing include steel, copper and copper alloy, aluminum and aluminum alloy, titanium and titanium alloy as well as nickel and nickel alloy.
1.3 For this Part, the applicable image device is digital detector; the maximum tube voltage of applicable X-ray machine is not greater than 600kV.
1.4 Testing for X-ray digital radiography of welded joints of supporting members and structural members related to pressure equipments may also be applied by reference.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB 18871 Basic Standards for Protection against Ionizing Radiation and for the Safety of Radiation Sources
GB/T 23901.1 Non-destructive Testing - Image Quality of Radiographs - Part 1: Image Quality Indicators (Wire Type) - Determination of Image Quality Value
GB/T 23901.5 Non-destructive Testing - Image Quality of Radiographs - Part 5: Image Quality Indicators (Duplex Wire Type) - Determination of Image Unsharpness Value
GB/T 23903 Resolution Indicators for Ray Image
GBZ 117 Radiological Protection Standards for Industrial X-ray Detection
NB/T 47013.1 Nondestructive Testing of Pressure Equipments - Part 1: General Requirements
NB/T 47013.2 Nondestructive Testing of Pressure Equipments - Part 2: Radiographic Testing
3 Terms and Definitions
For purpose of this Part, the terms and definitions specified in NB/T 47013.1 and those listed below apply.
3.1
Pixel
Basic composition unit of X-ray digital image. X-ray digital image is composed of points, and each point is referred to as pixel.
Contents of NB/T 47013.11-2015
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirements
5 Testing Method
6 Image Quality and Assessment
7 Testing Result Assessment and Quality Grading (Acceptance)
8 Image Preservation and Storage
9 Testing Record and Report
Appendix A (Normative) Checking Method of System Resolution Ratio
Appendix B (Informative) Typical Radiography Mode
Appendix C (Normative) Identification of Duplex Wire Type Image Quality Indicators
Appendix D (Normative) Test Method for Normalized Signal to Noise Ratio
Appendix E (Informative) Testing Report Format
