Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Material
6 General characteristics
7 Construction
8 Geometrical characteristics
9 Pressure strength
10 Thermal durability
11 Strength of the weld line of M-pipes
12 Delamination
13 Oxygen permeability
14 Physical and chemical characteristics
15 Performance requirements
16 Marking
Annex A (normative) - List of reference product standards
Annex B (normative) - Design coefficients for multilayer pipes
Annex C (normative) - Determination of the thermal durability
of the outer layer of M-pipes from resistance to
cracking after oven ageing
Annex D (normative) - Determination of the thermal durability
of the outer layer of M-pipes from the elongation at
break after 50 years
Annex E (normative) - Multilayer M-pipes - Choice of p[D] and
the use of Miner's rule
Bibliography