This standard specifies the requirements for welding heat treatment of steel weldment in the course of installation, overhauling and factory configuration of thermal power generating equipment.
This standard is applicable to preheat, postheat and postweld heat treatment of weldment.
Foreword II
1 Scope
2 Normative References
3 Terminologies and Definitions
4 General Requirements
5 Heating Method and Application Scope of Welding Heat Treatment
6 Welding Heat Treatment Technology
7 Temperature Measurement
8 Postweld Heat Treatment Technological Measures
9 Quality Inspection
10 Technical Documents
Appendix A (Normative) Technical Conditions of Flexible Ceramic Resistance Heater
Appendix B (Informative) Technology Card, Operation Record and Work Statistical Table of Welding Heat Treatment
Appendix C (Informative) Preheat Temperature of Commonly Used Steels
Appendix D (Informative) Temperature and Time of Postweld Heat Treatment for Commonly Used Steels
Appendix E (Normative) Postweld Heat Treatment Quality Evaluation Table
