Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
   4.1 Classification
   4.2 Designation
5 Information to be supplied by the purchaser
   5.1 Mandatory information
   5.2 Options
6 Manufacturing process
   6.1 General
   6.2 Deoxidation
   6.3 Heat treatment and surface condition at delivery
   6.4 Cast separation
7 Requirements
   7.1 Chemical composition, hardenability and mechanical
       properties
   7.2 Machinability
   7.3 Shearability of semi-finished products and bars
   7.4 Structure
   7.5 Internal soundness
   7.6 Surface quality
   7.7 Dimensions, tolerances on dimensions and shape
8 Inspection
   8.1 Testing procedures and types of documents
   8.2 Frequency of testing
   8.3 Tests to be carried out for specific inspection
9 Preparation of samples and test pieces
   9.1 Selection and preparation of samples for chemical
       analysis
   9.2 Location and orientation of samples and test pieces
       for mechanical tests
   9.3 Location and preparation of samples for hardness
       and harden ability tests
   9.4 Identification of samples and test pieces
10 Test methods
   10.1 Chemical analysis
   10.2 Mechanical tests
   10.3 Hardness and hardenability tests
   10.4 Retests
11 Marking, labelling, packaging
Annex A (normative) Options
Annex B (informative) Comparison of steel grades specified
        in this European Standard and ISO 683-1:1987 and
        other steel grades previously standardized nationally
Annex C (informative) Reference values for the maximum
        diameter at a certain core hardness of steels with
        boron
Bibliography