Part 5: Inspection and Testing
1 Scope
This Part specifies the basic safety requirements on the inspection, examination and testing of pressure piping within the range of GB/T 20801.1. Other requirements on the inspection, examination and testing not specified in this Part shall comply with requirements of the other part of GB/T 20801-2006 and current relevant national standard/code.
2 Normative References
The following documents contain provisions which, through reference in this Part of GB/T 20801, constitute provisions of this Part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this Part are encouraged to research whether the latest editions of these documents are applied or not. For undated references, the latest edition of the normative document is applicable to this standard.
Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Examination Requirements
4.1 General Requirements
4.2 Defect Treatment
4.3 Progressive Examination
5 Examination Methods
5.1 General Requirements
5.2 Visual Examination
5.3 Nondestructive Testing
5.4 Examination during Manufacturing Process
5.5 Hardness Examination
6 Examination Scope
6.1 Examination Level
6.2 Visual Examination
6.3 Nondestructive Testing for Welded Joints
6.4 Hardness Examination
7 Examination Process
8 Certificate and Records
9 Testing
9.1 Pressure Testing
9.2 Leakage Testing
9.3 Vacuum Degree Testing
10 Records
