1 Scope
This part of GB/T 34370 specifies X ray and γ ray testing technology and quality classification requirements for the fusion welded butt joints of amusement equipments.
This part is applicable to radiographic testing for carbon steel, low-alloy steel and stainless steel butt welded joints with a thickness of 2mm~200mm on the amusement equipment.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 11533 Standard for Logarithmic Visual Acuity Charts
GB/T 12604.2 Non-destructive Testing - Terminology - Terms Used in Radiographic Testing
GB 18871 Basic Standards for Protection Against Ionizing Radiation and for the Safety of Radiation Sources
GB/T 19348.1 Non-destructive Testing - Industrial Radiographic Film - Part 1: Classification of Film Systems for Industrial Radiography
GB/T 19348.2 Non-destructive Testing Industrial Radiographic Films - Part 2: Control of Film Processing by Means of Reference Values
GB/T 19802 Non-destructive Testing - Industrial Radiographic Illuminators - Minimum Requirements
GB / T 20306 Amusement Devices Terminology
GB/T 20737 Non-destructive Testing - General Terms and Definitions
GB/T 23910 Non-destructive Testing - Metal Intensifying Screens for Radiographic Testing
GB/T 34370.1 Nondestructive Testing of Amusement Equipments - Part 1: General Requirement
GBZ 117 Radiological Protection Standards for Industrial X-ray Detection
GBZ 132 Radiological Protection Standards for Industrial Gamma Defect Detecting
JB/T 7902 Non-destructive Testing - Image Quality Indicators(Wire Type) for Radiographic Testing
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 12604.2, GB/T 20306 and GB/T 20737, as well as the following apply.
3.1
penetrated thickness
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Method Summary
5 Safety Requirements
6 Personnel Requirements
7 Testing Equipment and Apparatus
8 Testing Procedure
9 Testing
10 Radiographic Testing Quality Grading of Steel Fusion Welded Butt Joints
11 Radiographic Testing Quality Grading of Circumferential Fusion Welded Butt Joints of Steel Pipe Fittings
12 Radiographic Testing Report
Annex A (Informative) Schematic Diagram of Typical Radiography Modes
Annex B (Informative) Determination Method for Determination of Radiographing Times of Circumferential Butt Welded Joints
Annex C (Normative) Calculation Method of Focus Size
Annex D (Normative) Type and Specification of Special Image Quality Indicator
Annex E (Normative) Placement Position of Overlapping Mark
Annex F (Normative) Type and Specification of Reference Blocks
1 Scope
This part of GB/T 34370 specifies X ray and γ ray testing technology and quality classification requirements for the fusion welded butt joints of amusement equipments.
This part is applicable to radiographic testing for carbon steel, low-alloy steel and stainless steel butt welded joints with a thickness of 2mm~200mm on the amusement equipment.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 11533 Standard for Logarithmic Visual Acuity Charts
GB/T 12604.2 Non-destructive Testing - Terminology - Terms Used in Radiographic Testing
GB 18871 Basic Standards for Protection Against Ionizing Radiation and for the Safety of Radiation Sources
GB/T 19348.1 Non-destructive Testing - Industrial Radiographic Film - Part 1: Classification of Film Systems for Industrial Radiography
GB/T 19348.2 Non-destructive Testing Industrial Radiographic Films - Part 2: Control of Film Processing by Means of Reference Values
GB/T 19802 Non-destructive Testing - Industrial Radiographic Illuminators - Minimum Requirements
GB / T 20306 Amusement Devices Terminology
GB/T 20737 Non-destructive Testing - General Terms and Definitions
GB/T 23910 Non-destructive Testing - Metal Intensifying Screens for Radiographic Testing
GB/T 34370.1 Nondestructive Testing of Amusement Equipments - Part 1: General Requirement
GBZ 117 Radiological Protection Standards for Industrial X-ray Detection
GBZ 132 Radiological Protection Standards for Industrial Gamma Defect Detecting
JB/T 7902 Non-destructive Testing - Image Quality Indicators(Wire Type) for Radiographic Testing
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 12604.2, GB/T 20306 and GB/T 20737, as well as the following apply.
3.1
penetrated thickness
Contents of GB/T 34370.6-2017
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Method Summary
5 Safety Requirements
6 Personnel Requirements
7 Testing Equipment and Apparatus
8 Testing Procedure
9 Testing
10 Radiographic Testing Quality Grading of Steel Fusion Welded Butt Joints
11 Radiographic Testing Quality Grading of Circumferential Fusion Welded Butt Joints of Steel Pipe Fittings
12 Radiographic Testing Report
Annex A (Informative) Schematic Diagram of Typical Radiography Modes
Annex B (Informative) Determination Method for Determination of Radiographing Times of Circumferential Butt Welded Joints
Annex C (Normative) Calculation Method of Focus Size
Annex D (Normative) Type and Specification of Special Image Quality Indicator
Annex E (Normative) Placement Position of Overlapping Mark
Annex F (Normative) Type and Specification of Reference Blocks
