STANDARD 15614-1
Second edition
2017-06
Specification and qualification of
welding procedures for metallic
materials — Welding procedure test —
Part 1:
Arc and gas welding of steels and arc
welding of nickel and nickel alloys
Descriptif et qualification d’un mode opératoire de soudage pour
les matériaux métalliques — Épreuve de qualification d’un mode
opératoire de soudage —
Partie 1: Soudage à l’arc et aux gaz des aciers et soudage à l’arc du
nickel et des alliages de nickel
Reference number
ISO 15614-1:2017(E)
© ISO 2017
,ISO 15614-1:2017(E)
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ii © ISO 2017 – All rights reserved
, ISO 15614-1:2017(E)
Contents Page
Foreword ............................................................................................................................................................ v
Introduction ...................................................................................................................................................... vi
1 Scope ....................................................................................................................................................... 1
2 Normative references .......................................................................................................................... 2
3 Terms and definitions .......................................................................................................................... 3
4 Preliminary welding procedure specification (pWPS) ................................................................. 3
5 Welding procedure test ....................................................................................................................... 3
6 Test piece ................................................................................................................................................ 3
6.1 General ..................................................................................................................................................................... 3
6.2 Shape and dimensions of test pieces ........................................................................................................... 4
6.2.1 General.................................................................................................................................................... 4
6.2.2 Butt joint in plate with full penetration..................................................................................... 4
6.2.3 Butt joint in pipe with full penetration ...................................................................................... 4
6.2.4 T-joint ...................................................................................................................................................... 4
6.2.5 Branch connection ............................................................................................................................. 4
6.3 Welding of test pieces ........................................................................................................................................ 4
7 Examination and testing ..................................................................................................................... 8
7.1 Type and extent of testing .......................................................................................................... 8
7.2 Location and taking of test specimens ........................................................................................................ 9
7.3 Non-destructive testing .................................................................................................................................. 13
7.4 Destructive testing ........................................................................................................................................... 13
7.4.1 Transverse tensile test................................................................................................................... 13
7.4.2 Bend test ............................................................................................................................................. 13
7.4.3 Macroscopic examination ............................................................................................................ 13
7.4.4 Impact testing ................................................................................................................................... 14
7.4.5 Hardness testing .............................................................................................................................. 14
7.5 Acceptance levels.............................................................................................................................................. 15
7.6 Re-testing ............................................................................................................................................................. 16
8 Range of qualification ....................................................................................................................... 16
8.1 General .................................................................................................................................................................. 16
8.2 Related to the manufacturer ........................................................................................................................ 16
8.3 Related to the parent material..................................................................................................................... 17
8.3.1 Parent material grouping ............................................................................................................. 17
8.3.2 Material thickness ........................................................................................................................... 19
8.3.3 Diameter of pipes and branch connections .......................................................................... 21
8.3.4 Angle of branch connection......................................................................................................... 21
8.4 Common to all welding procedures........................................................................................................... 22
8.4.1 Welding processes .......................................................................................................................... 22
8.4.2 Welding positions ............................................................................................................................ 22
8.4.3 Type of joint/weld .....................................................................................................23
8.4.4 Filler material, manufacturer/trade name, designation ..........................................24
8.4.5 Filler material size........................................................................................................................... 24
8.4.6 Type of current...........................................................................................................25
8.4.7 Heat input (arc energy) ..............................................................................................25
8.4.8 Preheat temperature ...................................................................................................................... 25
8.4.9 Interpass temperature .................................................................................................................. 25
8.4.10 Post-heating for hydrogen release .............................................................................26
8.4.11 Heat-treatment................................................................................................................................. 26
8.5 Specific to processes .................................................................................................................26
8.5.1 Submerged arc welding (process 12)...................................................................................... 26
8.5.2 Gas-shielded metal arc welding (process 13) ...................................................................... 27
© ISO 2017 – All rights reserved iii