NEN EN ISO 15614-8 : 2016

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
  3.1 Terms and definitions
  3.2 Symbols
4 Preliminary Welding Procedure Specification (pWPS)
  4.1 General
  4.2 Items for all welding process
  4.3 Items for particular welding processes
5 Qualification of welding procedure
6 Welding of test pieces
  6.1 General
  6.2 Type of test piece
7 Examination and testing
  7.1 Performance
  7.2 Acceptance levels
8 Range of qualification
  8.1 General
  8.2 Related to the manufacturer
  8.3 Related to the material
  8.4 Common to all welding procedures
9 Welding, Procedure Qualification Record form (WPQR)
Annex A (informative) Welding Procedure Qualification
         Record form for tube to tube-plate joints (WPQR)
Annex ZA (informative) Clauses of this European standard
         addressing essential requirements or other
         provisions of EU Directives
Bibliography

Defines requirements for the qualification testing of welding procedures for the arc welding of tube to tube-plate joints in metallic materials by manual, partly mechanized, fully mechanized, or automatic processes.