Foreword
1 SCOPE
2 NORMATIVE REFERENCES
3 Definitions
4 Symbols
5 CLASSIFICATION AND DESIGNATION
   5.1 Classification
   5.2 Designation
6 Information to be supplied by the purchaser
   6.1 Mandatory information
   6.2 Options
   6.3 Example of an order
7 Manufacturing process
   7.1 Steelmaking process
   7.2 Deoxidation process
   7.3 Tube manufacture and delivery conditions
8 Requirements
   8.1 General
   8.2 Chemical composition
   8.3 Mechanical properties
   8.4 Appearance and internal soundness
   8.5 Straightness
   8.6 Preparation of ends
   8.7 Dimensions, masses and tolerances
9 Inspection
   9.1 Types of inspection
   9.2 Inspection documents
   9.3 Summary of inspection and testing
10 Sampling
   10.1 Frequency of tests
   10.2 Preparation of samples and test pieces
11 Test methods
   11.1 Chemical analysis
   11.2 Tensile test on base material
   11.3 Transverse tensile test on the weld
11.4 Flattening test
   11.5 Ring tensile test
   11.6 Drift expanding test
   11.7 Ring expanding test
   11.8 Impact test
   11.9 Leak tightness test
   11.10 Dimensional inspection
   11.11 Visual examination
   11.12 Non-Destructive Testing
   11.13 Retests, sorting and reprocessing
12 Marking
   12.1 Marking to be applied
   12.2 Additional marking
13 Protection
Annex ZA (informative) Relationship between this European
                       Standard and the Essential
                       Requirements of 97/23/EC
Bibliography