Tiêu chuẩn iso 15614 8 2016

© 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[.]

Specification and qualification of

Part 8:

Descriptifet q alification d’u mode o ératoire de souda e sur

le s matériau métalique s — Épr u e de q alif ation d’u mode

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© ISO 2016, P blshed in Sw itz rlan

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written permis ion Permis ion c n be req esed from either ISO at the ad r es below or ISO’s member bod y in the c u try of

F reword v

Introduction vii

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms and definitions 2

4 Symbols and abbreviated terms 2

5 Prelminary welding proc edur e specification (pWPS) 3

5.1 General 3

5.2 Paramete s for al welding pr oc s 3

5.3 Paramete s for p rticular welding proc s es 4

6 Qual ficatio of welding proc edur e 5

7 Welding of test piec es 5

7.1 General 5

7.2 T ype of tes pie e 5

7.2.1 Joint prep r ation an joint cons ruction 5

7.2.2 T ube en s welded on triang ular pitch 5

7.2.3 T ube en s welded on sq ar e pitch 6

8 Examinatio and testing 7

8.1 Pe formanc 7

8.1.1 General 7

8.1.2 Visual testing 7

8.1.3 Penetrant es ing 8

8.1.4 Radiog raphic tes ing 8

8.1.5 Macr osco ic examination 8

8.1.6 Har dnes tes 8

8.1.7 P sh-out or pul-out tes 8

8.2 A cc ptanc levels 9

8.2.1 General 9

8.2.2 Visual testing 9

8.2.3 Penetrant es ing 9

8.2.4 Radiog raphic tes ing 9

8.2.5 Macr osco ic examination 1

8.2.6 Har dnes v lues 1

8.2.7 P sh-out or pul-out lo d 1

8.3 Re-tes 1

9 Rang e of qualfication 11

9.1 General 1

9.2 Related to the man factur er 1

9.3 Related to the mate ial

1 9.3.1 Par ent metal 1

9.3.2 T ube-plate an tube dimensions 1

9.3.3 T ube pitch 1

9.4 Common to al welding pr oc d res 1

9.4.1 Welding proc s 1

9.4.2 Welding position of tube-plate 1

9.4.3 T ype of joint 1

9.4.4 Fi e metal, clas ification 1

9.4.5 Fi e metal, dimensions 1

9.4.6 T ype of current 1

9.4.7 A r c ener g y (heat input) 1

9.4.9 Inte p s temperatur e 1

9.4.10 Post-weld heat tr eatment 1

9.4.11 Shielding gas 1

10 Welding pr oc edur e q alficatio r ec ord for m (WPQ R) 12

A nne x A (informative)Welding pr oc edure q alficatio r ec or d form for tube to tube-plate joints (WPQR) 14

Biblog raph y 18

ISO (he Int ernational Org nization for Stan ardization) is a worldwide fede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Standards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a l shed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 ( e www.iso.org dir ctives)

A tt ention is drawn t o the p s ibi ity that ome of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such pat ent right Detais of

any p t ent right identif ied d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived ( e www.iso.org p t ent )

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

F or an ex lanation on the meaning of ISO spe if ic t erms an ex r s ions r lat ed t o conformity

as es ment, as wel as information a out ISO’ s adhe enc t o the WTO principles in the Te h ical

Bar ie s t o Trade (TBT) se the fol owing URL: F or word - Sup lementary information

The committ ee r sponsible for this document is ISO/TC 44, Weldin a d al ed proc es s es , Subcommitt ee

SC 1 , Qu lt y ma a ement in the field o weldin

This se on edition canc ls an r plac s the f irs edition (ISO 1 6 14-8:2 0 ), w hich has be n

t ech icaly r vised

ISO 1 6 14 consis s of the folowing p rt , u de the g ene al title S ec ific atio a d q alfic atio o

weldin proc edur s fr metal c mate ials — Weldin proc edur tes t:

— Part 1: Ar a d g s weldin o s te ls a d ar weldin o nickel a d nickel alo s

— Part 2 : Ar weldin o aluminium a d its alo s

— Part 3 : Fus ion weldin o n n-alo ed a d low-alo ed c as t iro s

— Part 4 : Fini shin weldin o aluminium c as tin s

— Part 5: Ar weldin o tita ium, z irc onium a d their alo s

— Part 6 : Ar a d g s weldin o c op e a d its alo s

— Part 7: Ove la weldin

— Part 8: Weldin o tu es to tu e -plate joints

— Part 9: Unde wate hy pe b ric wet weldin

— Part 10: Hype b ric dry weldin

— Part 1 : Elec tro a d las er beam weldin

— Part 12 : S o s eama d projec tio weldin

— Part 13 : Ups et (es i s ta c e b tt) a d flash weldin

— Part 14 : L ser-ar h brid weldin o s te ls,nickel a d nickel aloys

R eq es s for official int erpr tations of any aspe t of this Int ernational Stan ard should be dir ct ed t o

the S c etariat of ISO/TC44/SC 1 via your national s an ards body A complet e ls ing of these bodies

can be fou d at www.iso.org

Al new welding proc d r t es s ar t o be car ied out in ac ordanc with this p rt of ISO 1 614 from

the dat e of it is ue Howeve , this p rt of ISO 1 6 14 does not inv ldat e pr vious welding proc d r

t es s madet o forme national s an ards or spe if ications or pr vious is ues of this p rt of ISO 1 614

Specification and qualification ofwelding proc edures for

Part 8:

This p rt of ISO 1 614 spe if ies r q ir ment for the q al fication t es ing of welding proc d r s for

the ar welding of tube t o tube-plat e joint in metal ic mat erials b man al, partly me haniz d, fuly

me haniz d, or aut omatic proc s es

This p rt of ISO 1 6 14 is a p rt of a se ies of s an ards Detai s of this se ies ar given in ISO 1 60 ,

An ex A

Qualf ication b tube t o tube-plat e joint t es s can be used for al joint even if they ar fuly lo ded or

only seal welded as r q ir d in a plcation s an ards

This p rt of ISO 1 6 14 a ples t o fusion welding of metal ic mat erials for tube t o tube-plat e joint

with a r maining g p betwe n the tube an the tube-plat e for some length of the tube-plat e thick es

This p rt of ISO 1 614 does not a ply t o tube-she t with forg ed en con e tions with welded tubes

(ext ernal/int ernal b r welds)

F or welding of tube t o tube-plat e joint with me hanical ex ansion w hich is lo d bearing, welding

proc d r t es is t o be def ined

F or othe a plcations an / r r q ir ment , this part of ISO 1 6 14 can be used if r q ir d b the

spe if ication

R epair welding is t o be conside ed in the welding proc d r t es

The folowing document , in w hole or in p rt, ar normatively r fe enc d in this document an ar

in ispensa le for it a pl cation F or dat ed r fe enc s, only the edition cit ed a pl es F or u dat ed

r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment )a pl es

ISO 345 -1, No -des truc ti ve tes tin — Penetra t tes tin — Part 1: G ene al princ iples

ISO 40 3, Weldin a d al ed proc es ses — Nomenclatur o proc es ses a d r fe enc e n mbe s

ISO 6 2 -1, Weldin a d al ed proc es s es — Clas s ific atio o geometric impe fec tio s in metal c

mate ial s — Part 1: Fus io weldin

ISO 9 1 -1, Des truc ti ve tes ts o welds in metal c mate ial s — Hardnes s tes tin — Part 1: Hardnes s tes t o

ar welded joints

ISO 9 0 -1, Qu lfic atio tes tin o welde s — Fus io weldin — Part 1: Ste ls

ISO 9 0 - 2, Qu lfic atio tes t o welde s — Fus ion weldin — Part 2 : Aluminium a d aluminiumalo s

ISO 9 0 -3, Ap ro al tes tin o welde s — Fus io weldin — Part 3 : Co pe a d c op e alo s

ISO 9 0 -4, Ap ro al tes tin o welde s — Fus ion weldin — Part 4 : Nickel a d nickel alo s

ISO 9 0 -5, Ap ro al tes tin o welde s — Fus io weldin — Part 5: Tita ium a d tita ium alo s,

z irc onium a d z irc onium alo s

ISO 9 9 -1, Weldin a d al ed proc es s es — Types o joint pr p ratio — Part 1: Ma u l metal ar weldin ,

g s-shielded metal ar weldin , g s weldin , TIG weldin a d beamweldin o s te l s

ISO 141 5, Weldin c ons uma les — G as es a d g s mi x tur s fr f s io weldin a d al ed proc es ses

ISO 147 2, Weldin pe son el — Qu lfic atio tes tin o weldin o e ators a d weld s ette s fr mecha i zed

a d a tomatic weldin o metal c mate ials

ISO 1 6 7:2 0 , S e c ificatio a d q alficatio o we ldin proc dur s fr me tal c mate rials — Ge ne ral rules

ISO 1 6 9-1, S ec ific atio a d q alfic atio o weldin proc edur s fr metal c mate ials — Weldin

proc edur s pec ific atio — Part 1: Ar weldin

ISO 1 614-1, S ec ific atio a d q alfic ation o weldin proc edur s fr metal c materials — Weldin

proc edur tes t — Part 1: Ar a d g s weldin o s te l s a d ar weldin o nickel a d nickel alo s

ISO 1763 -1, No -des truc tive tes tin o welds — Radio ra hic tes tin — Part 1: X- a d g mma-ra

techniq es w ith fim

ISO 1763 , No -des truc ti ve tes tin o welds — Vi s ual tes tin o f s io -welded joints

ISO 17 63 , Des tructi ve tests o welds in metal c material s — Mac ros c opic a d mic ros c opic ex min tion

o welds

ISO/TR 1 6 8, Weldin — G uidelnes fr a metal c mate ial s gro pin sys tem

3 Terms and definitions

F or the purposes of this document, the t erms an definitions given in ISO 1 6 7 a ply

a thro t thick es (mm)(in this case, the minimal distance b tween ro t point an weld

minimum distance b tween two pipes (mm)

g g p b tween tub an tub plat e (mm)

h height or width of imperfection (mm)

s starting point of the ro t ru

t clad ing thick es (mm)

t tub -plate thick es (mm)

Figure 1 — Presentatio of symbols in an example

5 Prel minar y welding proc edure specification (pWPS)

The q alf ication for tube t o tube-plat e welding t es s shal be b sed on a pWPS in ac ordanc with

ISO 1 60 -1 It shal spe ify the r lev nt p ramet ersl st ed in 5.2an 5.3

5.2 P arameter s for al welding pr oc es

Detaisr lating t o the fol owing paramet ers shal be r corded for al welding proc s es:

a) welding proc s , or proc s es, w hen mor than one is used in making a complet e join

b) tube-plat e spe ification an thick es an detai s of any clad ing an it thick es ;

c) tube spe ification, thick es , an out ide diamet er;

d) pit ch ty e ( q ar or triangular) an dis anc between pipes;

e) joint g eometry, actual b r hole, diamet er an fit-up t ole anc s ( ket ch);

f) cleaning an degr asing (ime d ring the fa rication st eps an ty e);

g) jig ing or tacking, tacking p sition, and ex ansion (befor welding);

h) tube-plat e an welding p sition;

i) ty e an / r trade name of welding consuma les;

j) siz (diamet er)an wir fe d spe d or rat e of wir ad ition pe ru ;

k) pr -heating an int erp s t empe atur , inclu ing method of control;

l) if ne es ary, tra el spe d;

m) n mbe an ar ang ement of ru s, s arting point of ru s, an weld dimensions ( ket ch);

n) welding seq enc ;

o) pos -weld heat tr atment, inclu ing method of control;

p) if ne es ary, the t empe atur an time r commen ed for drying b cking of welding consuma les

befor use;

q) any spe ial featur s, inclu ing heat input control r q ir ment , any heat inks efe t

5.3 Parameter for particular welding pr oc es es

Detais r lating t o the folowing p ramet ers given in 5.3 a) t o 5.3 d) shal be r corded for these

p rticular proc s es, in ad ition t o the p ramet ers given in 5.2 The r fe enc n mbe s of welding

— man factur r of the p we sour e, ty e (analo ue, digital, ele tronical y r gulat ed)

— shielding g sdesignation in ac ordanc with ISO 141 5 an flow rat e

— ar v ltag e

— noz le size /diamet er

— wir fe d spe d or cur ent

— for pulsed welding:the pulse time an fr q ency, pulsed cur ent, an backgroun cur ent

c) TIG welding (141)

— man factur r of the p we sour e, ty e (analo ue, digital, ele tronical y r gulat ed)

— shielding g sdesignation in ac ordanc with ISO 141 5 an flow rat e

— alt ernating cur ent (AC) or dir ct cur ent (DC) an p larity

— cur ent

— noz le size /diamet er

— sha e of the en of tu gst en ele trode

— for pulsed welding:the pulse time an fr q ency, pulsed cur ent, an backgroun cur ent

— w hethe file metal is used

d) Me haniz d or a ut omatic welding

— Al p ramet ers detaied in b) or c) an the folowing p ramet ers if ne es ary:

— ar length or ar voltag e;

— w he e f ile metal is used, wir fe d spe d, wir diamet er;

— othe pr -pro rammed welding v ria les such as thefolowing:

— pr - an pos -g s purg e times;

— chang es in cur ent level;

— cur ent slo eup an down rat es;

— welding tra el spe d an degr e of o e la ;

— w hen conside ing front fac welding, the folowing ad itional information:

— radius of ele trode rotation;

— ele trode angle r lative t o the tube a is;

— dis anc betwe n the work pie e an the ele trode

F or al othe welding proc s es, the welding p ramet ers shal be spe if ied

6 Q ual fication of welding procedure

The q alfication of welding proc d r for the tube t o tube-plat e welding shal be car ied out b an

ex mine or ex mining b dy r lat ed t o the a pro riat e a plcation s an ard or spe if ication

7 Welding oftest piec es

Proc d r t es pie es shal be prod c d in ac ordanc with 7.2 an shal simulat e the joint g eometry

t o be used in prod ction or a simiar g eometry within the r q ir ment of the pWPS Welde s shal

be q alf ied in ac ordanc with ISO 96 6-1, ISO 96 6- 2, ISO 9 0 -3, ISO 9 0 -4, or ISO 96 6-5 F or

welding o e at ors an weld sett ers, the q al fication can be car ied out d ring the t es s in ac ordanc

with ISO 147 2

7.2 T ype of test piece

7.2.1 Joint pr eparatio and joint c onstructio

F or ex mples of joint pr p ration b sed on ISO 9 9 -1 an joint cons ruction, se EN 1 0 -1

[1]

7.2.2 T ube ends welded on triang ular pitch

Whe e tube en welds ar inv lved on a triangular pit ch, a minimum of1 tube en s with an out ide

diamet er smale than 40 mm (<40 mm) or a minimum of seven tube en s (ar a A) with an out ide

diamet er gr at er than or eq al t o 40 mm (≥40 mm) shal be welded as shown in Figur 2

Dimensions in milimetr es

Key

A-A /B-B g r ou d sections of a test specimen (examples for the location of the cut lines)

Figure 2 — Test piece for tube ends o triangula pit ch

7.2.3 T ube ends welded on square pitch

Whe e tube en welds ar involved on a sq ar pit ch, a minimum of 1 tube en s with an out ide

diamet er smale than 40 mm (<40 mm) or a minimum of nine tube en s (ar a A) with an out ide

diamet er gr at er than or eq al t o 40 mm (≥40 mm) shal be welded as shown in Figur 3

Dimension in milimetr es

Key

A-A /B-B g r ou d sections of a test specimen (examples for the location of the cut lines)

Figure 3 — Test piece for tube ends o square pitch