Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Preliminary welding procedure specification (pWPS)
5 Welding procedure test
6 Test piece
6.1 General
6.2 Shape and dimensions of test pieces
6.2.1 Butt joint in plate with full penetration
6.2.2 Butt weld between plates with raised edges
6.2.3 Butt joint in pipe with full penetration
6.2.4 T-joint
6.2.5 Branch connection
6.3 Welding of test pieces
7 Examination and testing
7.1 Extent of testing
7.2 Location and taking of test specimens
7.3 Non-destructive testing
7.4 Destructive testing
7.4.1 Transverse tensile test
7.4.2 Bend test
7.4.3 Macro examination
7.4.4 Fracture testing
7.5 Acceptance levels
7.6 Re-testing
8 Range of qualification
8.1 General
8.2 Related to the manufacturer
8.3 Related to the parent material
8.3.1 Parent material grouping
8.3.2 Parent material thickness and pipe diameter
8.3.3 Angle of branch connection
8.4 Common to all welding procedures
8.4.1 Welding process
8.4.2 Welding positions
8.4.3 Type of joint/weld
8.4.4 Filler material, designation
8.4.5 Type of current
8.4.6 Heat input
8.4.7 Preheat temperature
8.4.8 Interpass temperature
8.4.9 Post weld heat treatment or ageing
8.5 Specific to processes
8.5.1 Process 131
8.5.2 Process 141
9 Welding procedure qualification record (WPQR)
Annex A (informative) Welding Procedure Qualification Record
(WPQR) Record of weld test
Annex ZA (informative) Relationship between this European
Standard and the Essential Requirements of EU Directive