Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Quenched and tempered steels
3.2 Product form
3.3 Types of heat treatment
3.4 Unalloyed and alloy steel
3.5 Ruling section for heat treatment
4 Designation and ordering
5 Requirements
5.1 Manufacturing process
5.2 Chemical composition and mechanical properties
5.3 Technological properties
5.4 Structure
5.5 Internal soundness
5.6 Surface quality
5.7 Dimensions, tolerances on dimensions and shape
     tolerances
5.8 Cast separation
6 Inspection testing and conformity of products with
     the requirements
6.1 Inspection and testing procedures and types of
     documents
6.2 Specific inspection and testing
7 Marking
Annexes
A Ruling sections for mechanical properties
B Supplementary or special requirements
C Other relevant standards
D Dimensional standards applicable to products
     complying with this European Standard
E Comparison of steel grades specified in this
     European Standard and ISO 683-1 : 1987 and other
     steel grades previously standardized nationally