© ISO 2016 Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 8 Welding of tubes to tube plate joints Descriptif et qualification d’un mode op[.]
INTERNATIONAL STANDARD ISO 15614-8 Second edition 01 6-03 -01 Speci fication and quali fication of welding procedures for metallic materials — Welding procedure test — Part 8: Welding of tubes to tube-plate joints Descriptif et qualification d’un mode opératoire de soudage sur les matériaux métalliques — Épreuve de qualification d’un mode opératoire de soudage — Partie 8: Soudage de tubes sur plaques tubulaires Reference number ISO 61 4-8: 01 6(E) © ISO 01 ISO 15614-8:2016(E) COPYRIGHT PROTECTED DOCUMENT © ISO 2016, Published in Switzerland All rights reserved Unless otherwise speci fied, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission Permission can be requested from either ISO at the address below or ISO’s member body in the country of the requester ISO copyright office Ch de Blandonnet • CP 401 CH-1214 Vernier, Geneva, Switzerland Tel +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii © ISO 2016 – All rights reserved ISO 15614-8:2016(E) Contents Foreword Page Introduction Scope Normative references Terms and de finitions Symbols and abbreviated terms Preliminary welding procedure speci fication (pWPS) 1 2 G e n e ral Param e te rs fo r al l we l d i n g p ro ce s s Param e te rs fo r p arti cu l ar we l d i n g p ro ce s s e s Quali fication of welding procedure Welding of test pieces 7.1 7.2 8.2 8.3 5 G e n e ral Type of test piece 7.2 J o i n t p re p arati o n an d j o i n t co n s tru cti o n 7.2 Tu b e e n d s we l d e d o n tri an gu l ar p i tch 7.2 Tu b e e n d s we l d e d o n s qu are p i tch Examination and testing 8.1 vii v Pe rfo rm an ce 8.1 G e n e ral 8.1 Vi s u al te s ti n g 8.1 Pe n e tran t te s ti n g 8.1 Rad i o grap h i c te s ti n g 8.1 M acro s co p i c exam i n ati o n 8.1 H ard n e s s te s t 8.1 P u s h - o u t o r p u l l - o u t te s t Acce p tan ce l e ve l s 8.2 G e n e ral 8.2 Vi s u al te s ti n g 8.2 Pe n e tran t te s ti n g 8.2 Rad i o grap h i c te s ti n g 8.2 M acro s co p i c exam i n ati o n 8.2 H ard n e s s val u e s 8.2 P u s h - o u t o r p u l l - o u t l o ad Re - te s t Range of quali fication 11 9.1 G e n e ral 1 9.2 Re l ate d to th e m an u factu re r 1 9.3 Re l ate d to th e m ate ri al 1 9.4 9.3 Pare n t m e tal 1 9.3 Tu b e - p l ate an d tu b e d i m e n s i o n s 1 9.3 Tu b e p i tch 1 C o m m o n to al l we l d i n g p ro ce d u re s 1 We l d i n g p ro ce s s 1 We l d i n g p o s i ti o n o f tu b e - p l ate 1 9.4.3 9.4.4 9.4.6 9.4.7 Type of joint Filler metal, classi fication 11 12 F i l l e r m e tal , d i m e n s i o n s Type of current Arc energy (heat input) 12 12 P re - h e at te m p e ratu re © I S O – Al l ri gh ts re s e rve d iii ISO 15614-8:2016(E) 9.4.9 Interpass temperature 9.4.1 Post-weld heat treatment 9.4.1 Shielding gas 10 Welding procedure qualification record form (WPQR) 12 Annex A (informative) Welding procedure qualification record form for tube to tube-plate joints (WPQR) 14 Bibliography 18 iv © ISO 01 – All rights reserved ISO 15614-8:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies) The work of preparing International Standards is normally carried out through ISO technical committees Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part In particular the different approval criteria needed for the different types of ISO documents should be noted This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part (see www.iso.org/directives) Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights ISO shall not be held responsible for identifying any or all such patent rights Details of any patent rights identi fied during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents) Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement For an explanation on the meaning of ISO speci fic terms and expressions related to conformity assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information The committee responsible for this document is ISO/TC 44, SC 10, Quality management in the field of welding Welding and allied processes, Subcommittee This second edition cancels and replaces the first edition (ISO 15614-8:2002), which has been technically revised ISO 15614 consists of the following parts, under the general title welding procedures for metallic materials — Welding procedure test: Specification and qualification of — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys — Part 2: Arc welding of aluminium and its alloys — Part 3: Fusion welding of non-alloyed and low-alloyed cast irons — Part 4: Finishing welding of aluminium castings — Part 5: Arc welding of titanium, zirconium and their alloys — Part 6: Arc and gas welding of copper and its alloys — Part 7: Overlay welding — Part 8: Welding of tubes to tube-plate joints — Part 9: Underwater hyperbaric wet welding — Part 10: Hyperbaric dry welding — Part 11: Electron and laser beam welding — Part 12: Spot, seam and projection welding — Part 13: Upset (resistance butt) and flash welding © ISO 01 – All rights reserved v ISO 15614-8:2016(E) — Part 14: Laser-arc hybrid welding of steels, nickel and nickel alloys Requests for official interpretations of any aspect of this International Standard should be directed to the Secretariat of ISO/TC 44/SC 10 via your national standards body A complete listing of these bodies c a n b e fo u n d at w w w i s o o rg vi © I S O – Al l ri gh ts re s e rve d ISO 15614-8:2016(E) Introduction Al l the ne w we ld i n g p ro c e du re d ate o f i ts i s s ue te s t s H o we ve r, a re th i s to be c a rrie d p art of I S O o u t i n acco rd a nc e 614 e s w i th no t i nva l id ate th i s p art of I SO p re v io u s 614 fro m we ld i n g p ro c e du re tes ts made to former national s tandards or s p eci fications or previous is s ues of this p ar t of I S O 614 © I S O – Al l ri gh ts re s e rve d vi i INTERNATIONAL STANDARD ISO 15614-8:2016(E) Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 8: Welding of tubes to tube-plate joints Scope This part of ISO 15614 speci fies requirements for the quali fication 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 This part of ISO 15614 is a part of a series of standards Details of this series are given in ISO 15607, Annex A Quali fication by tube to tube-plate joint tests can be used for all joints even if they are fully loaded or only seal welded as required in application standards This part of ISO 15614 applies to fusion welding of metallic materials for tube to tube-plate j oints with a remaining gap between the tube and the tube-plate for some length of the tube-plate thickness This part of ISO 15614 does not apply to tube-sheets with forged end connections with welded tubes (external/internal bore welds) For welding of tube to tube-plate j oints with mechanical expansion which is load bearing, welding procedure test is to be de fined For other applications and/or requirements, this part of ISO 15614 can be used if required by the speci fication Repair welding is to be considered in the welding procedure test Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies ISO 452-1, ISO 4063 , Non-destructive testing — Penetrant testing — Part 1: General principles Welding and allied processes — Nomenclature of processes and reference numbers ISO 6520 -1, Welding and allied processes — Classification of geometric imperfections in metallic materials — Part 1: Fusion welding Destructive tests on welds in metallic materials — Hardness testing — Part 1: Hardness test on arc welded joints ISO 9015 -1, ISO 9606 -1, Qualification testing of welders — Fusion welding — Part 1: Steels ISO 9606 -2 , Qualification test of welders — Fusion welding — Part 2: Aluminium and aluminium alloys ISO 9606 -3 , Approval testing of welders — Fusion welding — Part 3: Copper and copper alloys ISO 9606 - 4, Approval testing of welders — Fusion welding — Part 4: Nickel and nickel alloys © ISO 01 – All rights reserved ISO 15614-8:2016(E) ISO 9606 -5, Approval testing of welders — Fusion welding — Part 5: Titanium and titanium alloys, zirconium and zirconium alloys ISO 9692-1, Welding and allied processes — Types of joint preparation — Part 1: Manual metal arc welding, gas-shielded metal arc welding, gas welding, TIG welding and beam welding of steels ISO 14175 , Welding consumables — Gases and gas mixtures for fusion welding and allied processes Welding personnel — Qualification testing ofwelding operators and weld setters for mechanized and automatic welding of metallic materials ISO 14732 , ISO 15607:2003, Specification and qualification ofwelding procedures for metallic materials — General rules ISO 15609-1, Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 1: Arc welding 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 ISO 15614-1, Non-destructive testing of welds — Radiographic testing — Part 1: X- and gamma-ray techniques with film ISO 17636 -1, ISO 17637, Non-destructive testing of welds — Visual testing of fusion-welded joints ISO 17639, Destructive tests on welds in metallic materials — Macroscopic and microscopic examination of welds ISO/TR 15608, Welding — Guidelines for a metallic materials grouping system Terms and de finitions For the purposes of this document, the terms and de finitions given in ISO 15607 apply Symbols and abbreviated terms a throat thickness (mm) (in this case, the minimal dis tance between root point and weld surface) b dp da dl g h width of the weld reinforcement (mm) pore size (mm) tube-outside diameter (mm) minimum dis tance between two pipes (mm) gap between tube and tube plate (mm) height or width of imperfection (mm) sp s tarting point of the root run t tube-wall thickness (mm) t1 cladding thickness (mm) t2 tube-plate thickness (mm) x overlap (mm) © ISO 01 – All rights reserved ISO 15614-8:2016(E) Dimensions in millimetres Key A-A/B-B ground sections of a test specimen (examples for the location of the cut lines) Figure — Test piece for tube ends on triangular pitch 7.2.3 Tube ends welded on square pitch Where tube end welds are involved on a square pitch, a minimum of tube ends with an outside diameter smaller than 40 mm ( 25 Burn down of Not permitted, where it reduces tube end (only fillet welds) Undercut E xcess weld mm outside diameter the weld below its required dimensions 0,1 t 5011 h≤1 502 metal mm + 0,1 b Where b is the width of the weld reinforcement 8.2.3 Penetrant testing Any indication of dimensions in the weld metal or heat-affected zone is not acceptable 8.2.4 Radiographic testing Table — Radiographic testing No Imperfection/ designation ISO 6520-1 reference no Cracks 10 10 01 10 E longated 2015 cavities, 2016 Remarks All types of cracks Limits for imperfections Not permitted In case of micro cracks, the dimensions and frequency of the cracks should be agreed Not permitted wormholes 11 Clus tered 201 Not permitted (localized) cavities © ISO 01 – All rights reserved ISO 15614-8:2016(E) Table (continued) No 12 Imperfection/ designation ISO 6520-1 reference no Ga s p o re s 011 uni form ly 01 d i s tr i b u te d , 14 Remarks Limits for imperfections d p ≤ 0,25 t ma x mm p oro s ity, li ne ar p oro s ity — size — P e r tu b e j o i n t m a x t wo p o r e s w i th p o r e d p p e r m i t te d a s m e a s u r e d o n th e i m a ge D i s t a nc e b e t we e n t wo p o r e s m i n d i s - ta n c e × 13 S o l id i nclu s io n s d p a r o u n d th e c i r c u m fe r e n c e 300 N o t p e r m i t te d 14 L ac k o f fu s i o n 401 N o t p e r m i t te d 15 L ac k o f p e n e tr a- 402 N o t p e r m i t te d tio n 8.2.5 Macroscopic examination Table — Macroscopic examination No Imperfection/ designation ISO 6520-1 reference no Remarks s e e Tab l e to 16 Limits for imperfections a ≥ ,9 t We l d th i c kn e s s T h e th r o a t d i me n s io n , a, i s e q u a l to th e rad iu s of the larges t c i rcle to ta l ly i n s crib e d i n th e we l d wh o s e c e n tr e i s s i tu a te d i n th e r o o t o f we l d 8.2.6 Hardness values T he re s u l ts fro m the h a rd ne s s te s t s h a l l me e t the re qu i re me n ts g i ve n i n I S O 614 -1 8.2.7 Push-out or pull-out load T he requirements shou ld b e de fined in the s p eci fication 8.3 Re-test I f the tes t piece fai ls to comply with any of the requirements for examination and tes ting s p eci fied in , o ne fu r the r te s t pie ce shall be we lde d a nd s u b j e c te d to the s a me e x a m i n atio n/te s ti n g I f th i s additional tes t piece es not comply with the requirements , the welding pro cedure tes t has fai led 10 © I S O – Al l ri gh ts re s e rve d ISO 15614-8:2016(E) Range of quali fication 9.1 General All the conditions of validity stated below shall be met independently of each other Changes outside of the ranges speci fied shall require a new welding procedure test 9.2 Related to the manufacturer A quali fication of a WPS obtained by a manufacturer is valid for welding in workshops and sites under the same technical conditions and quality control of that manufacturer 9.3 Related to the material 9.3.1 Parent metal For the purposes of this part of ISO 15614, the groups of materials listed in ISO/TR 15608 shall apply Only those materials groups according to ISO/TR 15608 used in this quali fication test in combination with each other are quali fied 9.3.2 Tube-plate and tube dimensions For all geometrical details, the ranges of quali fication are given in Table Table — Range of quali fication for geometrical details Designation Test piece Range of quali fication mm mm Tube-plate thickness t2 < 35 t2 ≥ t1 ≥3 ≥ t2 ≥ 35 Tube-wall thickness t 0, t to t da ≥ da C ladding thickness Tube-outside diameter 9.3.3 t1 < t1 ≥3 ≥ 35 Tube pitch The quali fication of a welding procedure using a particular pitch of tubes shall include quali fication for any other type of pitch provided that the minimum distance between two pipes, dl (see Figures and ), is not reduced to below that used in the quali fied welding procedure 9.4 Common to all welding procedures 9.4.1 Welding process The quali fication is valid only for the welding process used in the welding procedure test Quali fication in a multi-process procedure test is only valid for that multi-process procedure 9.4.2 Welding position of tube-plate The quali fication is only valid for the welding position used in the welding procedure test 9.4.3 Type of joint The quali fication is only valid for the type of welded joints used in the welding procedure test © ISO 01 – All rights reserved 11 ISO 15614-8:2016(E) 9.4.4 Filler metal, classification The quali fication range of filler metals covers other filler metals as long as they are — either in the same group of tensile properties Change in the type of a covered electrode or a change in a type of electrode core requires a new welding procedure quali fication, or — w i th i n the s a me no m i n a l c he m i c a l c o mp o s i tio n 9.4.5 Filler metal, dimensions The quali fication given is for the diameters of electrodes or for the diameters of wires or for special co n s u m ab le s , e g i n s e r ts , u s e d i n the we ld i n g p ro ce du re te s t 9.4.6 Type of current The quali fication given is for the type of current (alternating, direct, or pulsed current) and polarity u s e d i n the we ld i n g p ro ce du re te s t 9.4.7 Arc energy (heat input) The requirements of this subclause apply in case of welding without filler material or in other cases when the control of heat input is speci fied The lowest limit of heat input is that used in welding procedure test or may be 25 % greater than that u s e d i n we ld i n g the te s t p ie ce 9.4.8 Pre-heat temperature The lower limit of quali fication is the pre-heat temperature used at the start of the welding procedure test 9.4.9 Interpass temperature The upper limit of quali fication is the nominal interpass temperature reached in the welding p r o c e du r e te s t 9.4.10 Post-weld heat treatment We ld i n g p ro ce du re tre atme nt a nd v ic e te s t w i th ve r s a he at T he tre atme n t te mp e ratu re e s n ge no t i nclude used fo r the we ld i n g we ld i n g p ro ce du re te s t p ro ce du re te s t w i tho u t is the he at n ge quali fied Where required, heating rates, cooling rates, and holding time shall be related to the p ro duc tio n c o mp o ne n t 9.4.11 Shielding gas The quali fication given to the shielding gas is restricted to the type of gas (nominal composition) in acc o rd a nce w i th I S O 1417 u s e d i n the we ld i n g p ro c e du re te s t 10 Welding procedure qualification record form (WPQR) A welding procedure quali fication record (WPQR) is a statement of the results of assessment of each te s t p ie ce i nclud i n g re - te s ts T he re le va n t p a me te r s l i s te d fo r the WP S in C l au s e together with details of any features that would be rejectable by the requirements of shall be i nclude d C l au s e I f no re j e c tab l e fe atu re s o r u n acc e p tab le te s t re s u l ts a re fo u n d , a W P QR de ta i l i n g the we ld i n g p ro c e du re test piece results is quali fied and shall be signed and dated by the examiner or examining body 12 © I S O – Al l ri gh ts re s e rve d