This national standard specifies the basic requirements, inspection methods, quality standard, inspection period and technical files management of ultrasonic inspection for butt weld of steam turbine weld rotor shaft (hereinafter referred to as main shaft welding).
It is applicable to the ultrasonic inspection of home-made steam turbine shaft.
It is applicable to the ultrasonic inspection for welding of main shaft of home-made hydroelectric generating set.
Foreword 3
1 Scope 4
2 Normative References 4
3 Inspection Method 4
4 Quality Standard 7
5 Inspection Period 7
6 Fault Detection Report and Technical Files Management 7
Appendix A 9
Appendix B 11
Appendix C 13
Appendix D 14
