Foreword 1 Scope 2 Normative References 3 Terms and Codes 4 Technical Requirements 4.1 General requirements 4.2 Designation and chemical composition 4.3 Internal soundness and surface quality 4.4 Depth of surface discontinuities 4.5 Non-metallic inclusions 4.6 Tensile strength 4.7 Austenitic grain size 5 Test Methods Annex A |