NEN EN 764-4 : 2015

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

Defines the requirements, under the regime of the EU Directive 97/23/EC on Pressure Equipment (PED), for the establishment of the technical delivery conditions in the form of: - harmonized European Standards for material; - European Approval for Materials (EAM); - particular Material Appraisal (PMA) for metallic materials for pressure equipment in all product forms.