Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
   3.1 Terms and definitions
   3.2 Symbols
4 Classification and designation
   4.1 Classification
   4.2 Designation
5 Information to be obtained by the manufacturer
   5.1 Mandatory information
   5.2 Options
   5.3 Example of an order
6 Requirements
   6.1 General
   6.2 Steel manufacturing process
   6.3 Structural hollow section manufacturing process
   6.4 Delivery condition
   6.5 Chemical composition
   6.6 Mechanical properties
   6.7 Technological properties
   6.8 Surface condition
   6.9 Non-destructive testing of welds
   6.10 Tolerances and mass
7 Inspection
   7.1 Types of inspection
   7.2 Types of inspection document
   7.3 Summary of inspection
8 Sampling
   8.1 Frequency of tests
   8.2 Preparation of samples and test pieces
9 Test methods
   9.1 Chemical analysis
   9.2 Mechanical tests
   9.3 Visual inspection and dimensional check
   9.4 Non-destructive testing
   9.5 Retests, sorting and reprocessing
10 Marking
11 Evaluation of conformity
Annex A (normative) Structural hollow sections of non-alloy
                        quality steels - Chemical composition
                        and mechanical properties
Annex B (normative) Structural hollow sections of fine grain
                        steels - Chemical composition and
                        mechanical properties
Annex C (normative) Location of samples and test pieces
Annex D (normative) Evaluation of conformity
Annex ZA (informative) Clauses of this European Standard
                        addressing the provisions of the
                        EU Construction Products Directive
Bibliography