1 Scope
1.1 This Part of NB/T 47013 specifies the requirements for the eddy current testing methods and quality classification of pressure equipments.
1.2 This Part is applicable to the eddy current testing for the surface and near surface flaws of metallic tubular products, spare parts and welded joints having electric conductivity used for the pressure equipments in-fabrication and in-service, and is also applicable to the measurement of surface cover layer thickness of metallic substrate with magnetic method and eddy current method. 1.3 The eddy current testing for the supporting members and structural members relevant to pressure equipments may also be made reference to this Part.
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/T 5126 Eddy Current Inspection Method for Cold Drawn Thin Wall Tubes of Aluminum and Aluminum Alloy
GB/T 5248 Copper and Copper Alloy - Seamless Tubes - Eddy Current Testing Method
GB/T 7735 Steel Tubes - The Inspection Method on Eddy Current Test
GB/T 12604.6 Non-destructive Testing - Terminology - Terms Used in Eddy Current Testing
GB/T 12969.2 Method of Eddy Current Inspection for Titanium and Titanium Alloy Tubes
GB/T 14480.3 Non-destructive Testing - Equipment for Eddy Current Examination - Part 3: System Characteristics and Verification
NB/T 47013.1 Nondestructive Testing of Pressure Equipments - Part 1: General Requirements
NB/T 47013.3 Nondestructive Testing of Pressure Equipments - Part 3: Ultrasonic Testing
NB/T 47013.4 Nondestructive Testing of Pressure Equipments - Part 4: Magnetic Particle Testing
NB/T 47013.5 Nondestructive Testing of Pressure Equipments - Part 5: Penetrant Testing
NB/T 47013.10 Nondestructive Testing of Pressure Equipments - Part 10: Ultrasonic Time of Flight Diffraction Technique
YB/T 145 Die Casting and Size Measurement Method of Artificial Defects on the Reference Sample Pipes
3 Terminologies and Definitions
For the purpose of this Part, the terminologies and definitions defined in GB/T 12604.6 and NB/T 47013.1 apply.
Foreword I
1 Scope
2 Normative References
3 Terminologies and Definitions
4 General Requirements
5 Eddy Current Testing for Ferromagnetic Tubular Products
6 Eddy Current Testing for Non-ferromagnetic Metal Tubular Products
7 Far Field Eddy Current Testing for Ferromagnetic Heat Exchange Tube In-Service
8 Eddy Current Testing for Non-Ferromagnetic Heat Exchange Tube In-Service
9 Eddy Current Testing for the Parts of Probe coil
10 Eddy Current Testing for Welds with Probe Coil
11 Measurement of Cover Layer Thickness
12 Evaluation of Testing Results
13 Testing Record and Report
Appendix A (Normative) Reference Sample for Eddy Current Testing over Flaw Characteristics of Ferromagnetic Tubes for Pressure Equipments In-service
Appendix B (Normative) Type III Reference Sample for Eddy Current Testing over Non-ferromagnetic Tubes for Pressure Equipments In-service
