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NEN EN 764-4 : 2015
Current
The latest, up-to-date edition.
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PRESSURE EQUIPMENT - PART 4: ESTABLISHMENT OF TECHNICAL DELIVERY CONDITIONS FOR METALLIC MATERIALS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviations
3.1 Terms and Definitions
3.2 Symbols and abbreviations
4 Types of technical delivery conditions
4.1 European Standards for material for pressure equipment
4.2 European approvals for materials for pressure equipment
4.3 Particular material appraisals for pressure equipment
5 Content of technical delivery conditions for materials for
pressure equipment
5.1 General
5.2 Requirements
5.3 Testing and inspection
5.4 Marking
Annex A (normative) - Procedures for the establishment of
European Approvals for pressure
equipment materials (EAM)
A.1 European Approvals of established materials
A.2 European Approvals for new materials
A.3 Procedure for the transformation of existing national
material specifications into European Material Data
Sheets
A.4 First testing of the production of established materials
A.5 First testing of the production of new materials
A.6 Title scheme and structure of a European Material Data
Sheet (EMDS) for materials for Pressure Equipment
Annex B (normative) - Appraisal schedule for ferritic and
martensitic steels
B.1 General
B.2 Test procedures
B.3 Basic testing
B.4 Subsequent testing
B.5 Collective tests
Annex C (normative) - Appraisal schedule for austenitic and
austenitic-ferritic steels
C.1 General
C.2 Test procedures
C.3 Basic testing
C.4 Sampling
C.5 Extent of testing
Annex D (normative) - Appraisal schedule for cast steels
D.1 General
D.2 Test procedures
D.3 Basic testing
D.4 Sampling
D.5 Extent of testing
Annex E (normative) - Welding and heat treatment conditions
for verification of the weldability of
fine-grain steels
E.1 General
E.2 Determination of the cooling time
E.3 Heat treatment conditions
Annex F (normative) - Metallographic investigation of the
sensitivity to stress relief cracking
Bibliography
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