Foreword
1 Scope
2 Normative references
3 Terms and 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 soundness
   8.5 Straightness
   8.6 End preparation
   8.7 Dimensions, masses, tolerances and sectional
         properties
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 Tensile test an the parent material
   11.2 Transverse tensile test an the weld
   11.3 Flattening test
   11.4 Drift expanding test
   11.5 Bend test an full section tube
   11.6 Weld bend test
   11.7 Impact test
   11.8 Leak tightness test
   11.9 Dimensional inspection
   11.10 Visual examination
   11.11 Non-destructive testing of the weld
   11.12 Retests, sorting and reprocessing
12 Marking
13 Protection
Annex A (informative) Typical range of dimensions for
        tube manufacturing processes
Annex B (normative) Formulae for calculation of nominal
        sectional properties
Bibliography