Contents Foreword Introduction 1 Scope 2 Normative References 3 General Requirements 4 Groove Preparation and Assembly Requirements 5 Welding Procedure 6 Quality Inspection 7 Quality Criteria 8 Welding Recovery 9 Technical Documents for Welding Appendix A (Informative) Chemical Composition and Mechanical Property of Common Steels of Power Plant Appendix B (Informative) Zoom Table of Electrodes (Welding Wires) for Welding Dissimilar Steels and Post-weld Heat Treatment Temperature Appendix C (Informative) Chemical Composition and Mechanical Property at Normal Temperature for Common Electrode Deposited Metal Appendix D (Informative) Chemical Composition of Common Welding Wires Appendix E (Normative) Special Technical Requirements for Welding of Austenitic Stainless Steel and Nickel-based Alloy Appendix F (Normative) Specific Requirements for Welding Technique of 9%~12%Cr Martensite Heat Resistant Steel Appendix G (Informative) First Pass Yield of Welded Joints for Non-destructive Testing |