98/712958 DC : DRAFT AUG 1998

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 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 Dimensions and tolerances
9 Inspection documents
  9.1 Types of inspection
  9.2 Inspection documents
  9.3 Summary of inspection and testing
10 Sampling
   10.1 Test unit
   10.2 Frequency of testing
   10.3 Preparation of samples and test pieces
11 Test methods
   11.1 Tensile test
   11.2 Flattening test
   11.3 Drift expanding test
   11.4 Leak-tightness test
   11.5 Visual examination
   11.6 Dimensional inspection
   11.7 Retests, sorting and reprocessing
12 Marking
13 Protection and packaging

(prEN 10305-4)