Foreword 1 Scope 2 Normative references 3 order requirements 4 Technical requirements 4.1 Manufacturing process 4.2 Chemical composition 4.3 Mechanical performance 4.4 Hardness 4.5 Nondestructive testing 5 Inspection requirements and test methods 5.1 Chemical composition analysis 5.2 Mechanical performance test 5.3 Retest 5.4 Re-heat treatment 6 Acceptance and certificate of qualification 7 Marking and packaging
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