Contents Foreword 1 Scope 2 Normative References 3 General Requirements 5 Adoption of Welding Materials 6 Welding Process 7 Welding Heat treatment 8 Quality Inspection and Repair 9 Technical Documents Annex A (Informative) Reference Data of Chemical Composition and Mechanical Performance of Partial Materials of Common Class B and C Steels for Power Plant AnnexB (Informative) Comparison Table of Similar Steel Designation |