Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
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
5.3 Examples of an order
6 Manufacturing process
6.1 Steel manufacturing process
6.2 Deoxidation process
6.3 Product manufacture and delivery conditions
7 Requirements
7.1 General
7.2 Chemical composition
7.3 Mechanical properties
7.4 Appearance
7.5 Soundness
7.6 Length
7.7 Tolerances for tubes
7.8 Types and dimensions of fittings
7.9 Tolerances for fittings
7.10 End preparation of tubes and fittings for butt welding
7.11 Reaction to fire
8 Inspection
8.1 General
8.2 Inspection documents
8.3 Content of inspection document
8.4 Summary of inspection and testing
9 Sampling of tubes and fittings
9.1 Frequency of testing
9.2 Location, orientation and preparation of samples and test
pieces
10 Test methods
10.1 Chemical analysis
10.2 Mechanical tests
10.3 Leak tightness test
10.4 Non-destructive testing of the weld of welded tubes
10.5 Non destructive testing of the welds of fittings
10.6 Visual examination
10.7 Dimensional inspection
11 Retests, sorting and reprocessing
12 Marking
13 Protective coating or lining
Annex A (informative) Size range of tube manufacturing processes
Annex B (informative) Relationship between outside diameter and
nominal size (DN)
Annex C (informative) Jointing
C.1 General
C.2 Sleeve joints for welding
C.3 Flange joints
C.4 Slip-on type couplings
C.5 Push fit and gasket type couplings
C.6 Special joints
Annex D (informative) Coatings and linings
D.1 General
D.2 Coatings
D.3 Linings
D.4 Relevant European Standards, published or under
development
Annex ZA (informative) Clauses of this European Standard addressing
the provisions of the EU Construction Products Directive
Bibliography