目录简介 | Contents Foreword 1 Scope 2 Normative references 3 Grades 4 Technical requirements 4.1 Production 4.2 Chemical compositions 4.3 Mechanical property 4.4 Heat treatment 4.5 Surface quality 4.6 Geometric shape, dimension, dimensional tolerance, machining allowance 4.7 Repair welding 4.8 Straightening 5 Test methods 5.1 Analyses of chemical compos ition 5.2 Mechanical test 5.3 Surface inspection 6 Test rules 7 Sign, packaging, transportation and storage 7.1 Sign and certificate of conformity 7.2 Surface protection, packaging, transportation and storage 8 Additional requirements 8.1 Weight and weight deviation 8.2 Chemical analysis of residual element 8.3 Brinell hardness 8.4 Uniformity of batch 8.5 Test lug 8.6 Significant repair welding 8.7 Non-destructive tests 8.8 Radiograph detection 8.9 Test for proof-pressure compact degree 8.10 Inspection documents Annex A (Informative) Definition of inspection nomenclature and document class Annex B (Informative) Inquiry and order
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