If the pur hase does not in icate a wish to implement any of these o tions at the time of enq iry and orde , the product shal be sup led in ac ordanc with the b sic spe ification e 5.1.
Trang 1BSI Standar ds Public ation
Trang 2National foreword
This British Stan ard is the UK implementation of EN 1 2 2-1:2 1 It
supe sedes BS EN 1 2 2-1:1 9 , w hich is with rawn
The UK p rticip tion in it pr p ration was entrust ed t o Te hnical
Committ ee ISE/ 11 , St eel C s ings an F orgings
A l s of org nizations r pr sent ed on this committ ee can be o tained on
r q es t o it se r tary
This publ cation does not purp rt t o inclu e al the ne es ary pro isions
of a contract Use s ar r sponsible for it cor e t a plcation
ISBN 9 8 05 0 80 2 3
ICS 7 140.3 ; 7 140.8
This British Stan ard was publ shed u de the a uthority of the
Trang 3NORME EUROPÉENNE
A pri 2 1
E g lish Ver sion
Piè es forg ées en ac ier pour ap areis à pr es ion -
Par ie 1:Prescriptions g énérales c nc rnant les piè es
obten es par org eag e lbre
S hmiedesücke aus Stahl für Druck ehälter - Tei 1:
Alg emeine A nforderu g en an
Freiformschmiedesücke
This E rope n Stan ard was ap rov ed b C N on 2 De ember 2016
C N member are bou d to c mply with the C N/C NE E Internal R eg ulations which sip late the c n itions for g ivin this
E r ope n Stan ard the satus of a national san ar d without an alteration Up-to-date lss an biblog rap ic al referenc es
c nc rnin such national san ards may be obtained on ap lc ation to the C N-C NE E Manag ement Cente or to an C N
member
This E rope n Stan ard ex ists in thr ee oficial ver ions (E g lish, French, German) A v er ion in an other lang uage made b
translation u der the responsibi ty of a C N member intoit ow n lang uag e an notified to the C N-C NE E Manag ement
Cente has the same satus as the oficial ver ions
C N member are the national san ards bodies of A usria, Belg ium, B lg aria, Cro tia, Cyprus, Cz ch Rep blc, Denmark, Es onia,
Finlan , Former Y ug oslav R ep blc of Mac edonia, Franc e, Germany, Gre c , Hu g ary, Ic lan , Irelan , Italy, Latvia, Lith ania,
L x embourg, Malta, Netherlan s, Norway, Polan , Portug al, R omania, S rbia, Slovakia, Slov enia, Spain, Sweden, Switzerlan ,
Turkey an United K in dom
EUR OP A N COMMIT E FOR STAND R DIZA TION
COMITÉ EU OP EN DE NO MALISA ION
EU OPÄISCHES KOMITE FÜ NORMUNG
C N-C NE E Manag ement C ntre: Av n e Marnix 1 , B-1 0 Brus els
© 2 1 CEN A ll rig hts of ex ploitation in any for m an b any me ns reser ved
w or ldw ide for CEN national Memb r
Ref No EN 1 2 2-1:2 1 E
Trang 4Contents Pag e
Eur ope n for ewor d 4
1 Scope 5
2 Nor mative r efer ences 5
3 Ter ms and definitio s 6
4 Clas ification and designatio 7
4.1 Clas ification 7
4.2 Designatio 7
5 Infor matio to be suppl ed by the pur chaser 7
5.1 Mandator y infor ma tion 7
5.2 Optio s 7
6 Requir ements 8
6.1 Ste lmaking 8
6.2 Manufac tur e of the pr oduct 8
6.2.1 Hot wor king 8
6.2.2 F r g ing r educ tion 8
6.3 He t tr eatment 9
6.3.1 Gener al 9
6.3.2 Simulated post-weld he t tr eatment of samples 9
6.4 Chemic al compositio 9
6.4.1 Cast analysis 9
6.4.2 Pr oduct analysis 9
6.5 Mechanical pr oper ties 10
6.6 Weldabi ity 10
6.7 Sur face conditio 10
6.7.1 Gener al 10
6.7.2 Removal ofsur face defects 10
6.7.3 Ver ificatio ofthe sur face conditio 10
6.8 Internal soundnes 11
6.9 Dimensions, shape, toler ances and nominal mas 11
7 Inspec tion 11
7.1 Types ofinspec tion and inspec tio documents 11
7.2 Tests to be c ar r ied o t 12
8 S mplng 13
8.1 S lectio ofsamples 13
8.1.1 Gener al 13
8.1.2 S par ate samples or additio al for g ing 13
8.1.3 For g ing s up to and inclu ing 1 000 kg mas (≤5 m in length) 13
8.1.4 F r g ing s fr om 1 00 kg up to and including 4 000 kg mas (≤5 m in length) 13
8.1.5 F r g ing s over 400 kg or g r eate than 5 m inleng th (any mas ) 14
8.1.6 F r g ing s for closed holow v es els 14
8.2 Pr epar atio ofsamples and test piec es 14
Trang 59.2 Chemical analysis 15
9.3 Tensi e test at r oom temper atur e 15
9.4 Tensi e test at elevated temper atur es 16
9.5 Impac t test 16
9.6 Mag netic par ticle testing 16
9.7 Penetr ant testing 16
9.8 Ultr aso ic testing 17
9.9 Resistance to inter g r anula cor r osion 17
9.10 Hy dr ostatic testin 17
9.11 Dimensio al me sur ement 17
9.12 Visual testing 17
10 Retests 17
1 1 Gener al 17
1 2 Re-he t tr eatment 17
11 Mar king 17
A nnex A (nor mative) Rul ng sec tio and equivalent thicknes 19
A 1 Gener al 19
A 2 Definitio s 19
A 3 Deter minatio ofthe eq ivalent thic knes 19
A nnex B (infor mative) Ex ample ofthe locatio of test piec es 21
A nnex C ( infor mative) Sig nific ant technical chang es to the ver sio EN 1022 -1:19 8 22
A nnex ZA ( infor mative) Relationship betwe n this E r ope n Standar d and the Es ential
Requir ements of EU Directive 20 4/68/EU 23
Biblog r aphy 24
Trang 6Eur opean for ewor d
This document (EN1 2 2-1:2 1 ) has be n pr par d b Te h ical C mmite ECIS /TC 1 1 “Ste l castings
and forg ing s”, the se r tariat of which is held b A FNOR
This E ro ean Stan ard shal be g iven the s atus of a national s an ar d, eithe b publcation of an identical
tex t or b en orsement, at thelates b Octo e 20 7, and conflcting national s an ards shal be with r awn
at he lates b Octo e 2 1
A ttention is dr awn to the p s ibi ty that some of the element of this document ma be the subje t of p tent
rig ht CENshal not be held r sp nsible for identifying any or al such p tent rights
This document super sedesEN 1 2 2-1:1 9
This document has be n pr p r d u de a man ate given to CEN b the Euro ean Commis ion an the
Euro ean Fr e Trade A ssociation, an sup ort es ential r q ir ment of EU Dir ctive 2 14/ 8 EU
F r r elationship with EU Dir ctive 2 14/ 8/EU, se infor mative A nnex ZA , which is an integral part of this
document
EN 1 2 2 consis sof thefolowing p rt u de the g ene al title “ Ste l forging sfor pr es ur e purp ses”:
— Part 1: G ene al r q ireme nt f r o en die f rgings
— Part 2: Fe ritic a d martensitic s ee ls with specified elev ted tempe atur pro e ties
— Part 3: Nicke l ste ls with spec ified low tempe atur pro e ties
— Part 4: Welda le fine grainste ls with high pro fs r n th
— Part 5: Martensitic,a stenitic a d a s enitic -fe ritic stainless s ee ls
A nnex Cprovide detais a out significant changesto the versionsEN 1 2 2-1:1 98
A ccor ding to the CEN-CENELEC Inte nal R eg ulations, the national s an ards organisations of the folowing
countr ies ar e b u d to implement this Eur opean Stan ard: A us ria, Belgium, Bulgaria, Cr oatia, Cyprus, Cz ch
Republc, Denmark, Es onia, Finland, F r me Yug sla Republc of Mac donia, Franc , Ge many, Gr e e,
Hung ary, Ic lan , Ir lan , Italy, L tvia, Lith ania, Lux emb urg , Malta, Nethe lan s, Norway, Polan ,
Portug al, Romania, S rbia, Slovakia, Slovenia, Sp in, Sweden, Switz rland, Tur key an the United King dom
Trang 71 Scope
This Part of this E ro ean Stan ard spe ifies the g ene al te h ical delver y conditions for o en die s e l
forg ing s, r ing roled prod ct an forg ed b r s for pr es ur pur poses
NOT Once this stan ard is p blished in the EU OficialJournal (OJEU) u der Dir ect ive 2 14/68 EU, presumption
of conformity to the Es ent ial S fety Req irements (ESR s) of Direct ive 2 14/68 EU is limit ed t o t ech ical data of
materials in this stan ard an do s not presume adeq acy of the mat er ial t o a specific item of eq ipment
Conseq ently, the as es ment of the tech ical data stated in this material stan ard ag ainst the desig n req irements of
this specific item of eq ipment to v erify that the ESR s of Directiv e 2 14/68 EU are satisfied, ne ds to b done T e
series EN 1 2 2 1 to EN 1 2 2 5 is structured so that t he data related to diferent materials is in the part alocated for
that material T e presumpt ion of conformity to the Es ent ial S fety Req irements of Directive 2 14/68 EU depen s
on b th the tex t in part 1 an the data in part 2, 3, 4 or 5
Gene al information on te h ical delvery con itions isg iven in EN 1 0 1
The folowing document , in whole or in p rt, ar normatively r fer enc d in this document an ar
in ispensa le for it a plcation F r dated r fer enc s, only the edition cited a ples F r u dated r efe enc s,
the lates edition of the r fe enc d document (inclu ing any amen ment ) a ples
EN 1 0 0:2 0 , Definitio a d c lassific atio o grades o stee l
EN 1 0 1:2 0 , G ene al technic al delive y c onditions fr ste l product
EN 1 0 7-1, Design tio systems fr s e ls - Part 1: Ste l n mes
EN 1 0 7-2, Design tio systems fr s e ls - Part 2: Nume ic al system
EN 1 0 2:1 9 , Voc ab lary o heat tr atment te ms fr fe ro s produc ts
EN 1 0 9:2 0 , Definitio o s e l product
EN 1 1 8:2 04, Ste l produc ts - Inspec tion docume nt - List o infrmation a d desc ription
EN 1 2 4:2 04, Metallic produc ts - Ty es o inspection document
EN 1 2 2-2:20 7, Fe ritic a d martensitic ste ls with spec ified elev ted tempe atur pro e ties
EN 1 2 2-3:20 7, Nickel ste ls with specified low te mpe atur pro e ties
EN 1 2 2-4:20 7, We lda le fine grain stee ls with hig pro fstr n th
EN 1 2 2-5:2 1 , Martensitic, a stenitic a d a stenitic -fe ritic s ainles s e els
EN 1 2 8-1:2 1 , No -de structive testing o ste l frgings - Part 1: Ma netic p rticle inspec tio
EN 1 2 8-2:2 1 , No -de struc tive tesing o s e l frgings - Part 2: Penetra t testing
EN 1 2 8-3:2 1 , No -des ructive testing o s e l frgings - Part 3: Ultrasonic tes ing o fe ritic or martensitic
s e l f rgings
EN 1 2 8-4:2 1 , No -destructive tes ing o s e l frgings - Part 4: Ultrasonic tes ing o a s enitic a d
a stenitic -fe ritic stainless ste l frgings
Trang 8EN ISO 148-1:2 1 , Metallic mate ials - Ch rp pendulumimp c t test - Part 1: Test meth d (ISO 14 8 -1:2 16)
EN ISO 3 7:20 3, Ste l a d ste l produc ts - L c ation a d pr p ration o samples a d tes pieces f r mec ha ic al
tes ing (ISO 37 :20 13, Cor ec ted ve sion 2 15-0 6-0 1)
EN ISO 3 5 -2:1 9 , Dete rmination o r sista ce to inte gra ular c or osion o stainles s ee ls - Part 2: Fe ritic,
a stenitic a d fe ritic -a s enitic (du lex) stainless s e ls - Cor osion test in media c ontaining sulf ric acid (ISO
EN ISO 14284:2 02, Ste l a d iro - S mpling a d pr p ration o samples fr the dete mination o c he mic al
comp sitio (ISO 14 28 :19 6)
EN ISO 1 6 7:2 0 , S ec ific atio a d q alific ation o welding proc edur s fr metallic mate ials - G ene ral rule s
(ISO 156 07:2 0 3)
EN ISO 1 60 -1:2 04, S ec ific ation a d q alificatio o welding procedur s fr metallic mate ials - Welding
proc edur specific atio - Part 1: Ar welding (ISO 15 0 9-1:2 0 4)
EN ISO 1 6 4-1:2 04, S ecification a d q alific atio o welding proc edur s fr metalic mate ials - Welding
procedur test - Part 1: Ar a d g s welding o s ee ls a d ar welding o nickel a d nic ke l alo s (ISO 156 1
4-1:20 04)
F r the purp ses of this document, the ter ms an definitions g iven in EN 10 2 :2 0 , EN 1 0 1:2 0 ,
EN 1 0 2:1 9 , EN 1 0 9:2 0 an the folowing a ply
pe son or organization that orde s pr od ct in ac ordanc with this E ro ean Stan ard
Note 1 to entry T e p r haser is not neces arily, but may b , a man facturer of pres ure eq ipment in ac ordance
with the EU Directiv e list ed in An e ZA
Note 2 to entr y Where a p r haser has responsibilities u der this EU Directive, this stan ard wil pr ovide a
presumption of conformity with the es ential req irements of the Directive so identified in An e ZA
Trang 94 Clas ification and desig nation
4.1 Clas ification
The clas ification of the s e l g rades in ac ordanc with EN 10 2 is g iven in the spe ific par ts of the
EN 1 2 2ser ies
4.2 Desig nation
The s e l gradesspe ified in the in ivid al p rt of the EN 1 2 2 ser ies ar designated with s e l namesan
s e l n mber s The s e l names have be n alocated in ac or danc with EN1 0 7-1 The cor esp n ing
s e l number s have be n alocated in ac ordanc with EN 1 0 7-2
5.1 Mandator y information
The folowing infor mation shal be sup led b thepur hase at the time of en uiry an order :
a) the q antity of forg ing s r eq ir d;
b) the forg ing dimensions, or the drawing n mbe ( ) containing the dimensions, toler anc s on dimensions,
sha e an sur fac finish, to which the forg ings shal confor m;
c) n mbe of the r levant p rt of this E r opean Stan ard;
d) s e l name or s e l n mbe of the mater ial of which the forging sar made ( se Clause 4);
e) delver y con ition, whe e alte natives ar e p s ible or whe e it dife s fr om those spe ified in the othe
p rt of the EN1 22 ser ies;
f) the type of inspe tion document in ac or danc with EN 1 2 4:2 04 ( se 7.1.1);
g) the ex tent of dimensional inspe tion an visual tes ing for batches inclu ing mor than 25 pie es
5.2 Options
A n mbe of o tions ar e spe ified in this p rt of the EN 1 2 2 se ies an ls ed below If the pur hase does
not in icate a wish to implement any of these o tions at the time of enq iry and orde , the product shal be
sup led in ac ordanc with the b sic spe ification ( e 5.1)
1) Ste lmaking proc s ( se 6.1.1);
2) Hot working proc s an degre of hot working ( e 6.2.1);
3) Information on the for ging proc d r e an the calculated for g ing r d ction ( e 6.2.2);
4) Limit on r sid al incidental element othe than those spe ified in the r elevant p rt of the EN1 22
se ies ( se 6.4.1.3 an 6.4.1.4);
5) max imum car bon eq ivalent value for s e l grades of EN 1 2 2-2 an EN 1 2 2-4 ( se 6.4.1.5);
6) greater toler anc s to chemical comp sition ( e 6.4.2.2);
7) content of r sid al element ( e 6.4.2.3);
Trang 108) magnetic p rticle tes ing and/ r penetrant tes ing ( e 6.7, Ta le1, 9.6 an 9.7);
9) r q ir ment and tes con itionsfor the ultr asonic tes ( e 6.8, Ta le 1, and 9.8);
1 ) o tional tes s ( e Ta le 1);
1 ) deviating tes u it ( se 8.1.1 an / r 8.1.4);
1 ) tes tempe atur e for the tensie tes at elevated tempe atur ( se 9.4);
1 ) deviating tes tempe atur e for the imp ct es ( e 9.5, p ragra h 2);
14) deviating of dir ction of tes pie es for imp ct tes ( e 9.5, p ragra h 4);
1 ) deviating ex tent of tes ing an tes d ration for the hydros atic tes ( se 9.1 );
1 ) simulated p s -weld heat tr atment of samples ( se 6.3.2);
1 ) ver ification of the surfac con ition ( e 6.7.3);
1 ) sample location for complex pie es( e 8.1.5);
1 ) if a plca le, lower ed n mbe of the tes u it of a b tch or p rt of a b tch (of final prod ct) ( e
Ta le 2, fo tnote a);
2 ) o tional imp ct es for aus enitic s ainles s e ls ac ording to EN 1 2 2-5 ( se Ta le 1)
6.1.1 The s e l shal be pr od c d b an ele tric proc s or one of the b sic ox yg en proc s es
Spe ific r q ir ment for the s e lmaking proc s ma beag re d at the time of the en uiry an orde
6.1.2 The s e l shal be fuly ki ed
6.2 Manufacture of the pr oduct
6.2.1 Hot wor king
The choic of hot working proc s shal be at the disc etion of the man factur er
F r the hot working proc s an / r the deg re of hot working, spe ial agre ment ma be made at the time
of theen uiry an order
6.2.2 F r g ing r ed c tion
The forging shal r ec ive a suficient forging r d ction to completely consoldate the forging an r emove the
cas str uctur e
Information on the forging proc d r e, on the calculated forging r d ction and the rules for calculating this
ratio ma beag re d at the time of en uiry an orde
Trang 116.3 Heat tr eatment
6.3.1 Gener al
The forgings shal be heat tr ated as spe ified in the r levant p rt of the EN 10 2 ser ies, unles othe wise
agre d the e for the r elev nt te l gradeat he time of en uiry an orde
6.3.2 Simulated post-weld he t tr eatment of samples
If the pur chase inten s to incorporate the for ging or fa r ication in a welded ves el or str uctur an a pl es
a p s -weld heat tr atment, samples that have r c ived heat tr atment in ac ordanc with 6.3.1shal also be
subje ted to a heat tr eatment that simulates the p st-weld heat tr eatment to be a pled to the welded ves el
or s ructur b the pur hase The p s -weld heat tr eatment an the me hanical pr ope ties to be o tained
afe tes ing these samples in ac ordanc with Clause 9 shal be ag re d between the pur chase an the
man factur er
NOT 1 If an ad itional or u forese n post-w eld he t t re tment is ap lied by the p r haser, the he t tre tment
temperature can ot ex ce d the t emper ature of the final he t t re t ment, i.e eit her tempering or post-w eld he t
tre t ment ap lied to the samples
NOT 2 If req ired, the p r haser can b su plied with ad it ional test samples cut fr om the forg ing aft er he t
tre t ment in ac or dance with 6.3.1 with a view to subjecting these samples to ad itional he t t re tment an
subseq ent mechanical test ing for information p rposes
NOT 3 T e samples for simulation of post-weld he t t re tment ex clu e t est mat erials su plied for w elding tests
an can receive the he t tre tments refer ed to in 6.3.1
6.4.1 Cast analysis
6.4.1.1 Thecas analysisr p rted b the s e l prod c r shal a ply an comply with the r q ir ment of
the individ al p rt of the EN1 2 2 ser ies
6.4.1.2 Element not ls ed in the composition ta les in the r levant p rt of the EN 1 2 2 se ies shal not
be intentionaly ad ed without the ag r eement of the pur hase ex cept for finishing the cas
6.4.1.3 Limits on r sid al incidental elements othe than those spe ified in the r elevant p rt of the
EN 1 2 2 ser ies ma be ag re d at he time of en uiry an orde
6.4.1.4 If so ag re d at the time of en uiry an or der , the r sid al element spe ified in the or de shal be
de lar ed on the man factur r's c rtificate
6.4.1.5 If so agre d at the time of enq iry an or de , forgings in ac ordanc with EN1 2 2-2 an
EN 1 2 2-4 shal be suppled with a spe ific max imum carb n eq ivalent v lue The r levant value is b sed
upon cas analysis T e car bon eq ivalent value (CEV) shal be calculated using the folowing for mula:
Mn Cr + Mo + V Ni + Cu
6.4.2 Pr oduct analy sis
6.4.2.1 The per mis ible pr od ct analysis tole anc s on the lmiting values g iven for the cas analysis ar e
spe ified in the in ivid al p rt of the EN 1 2 2 se ies Furthe r s r iction to comp sition ma be imp sed
b the pur hase b the useof the carb n eq ivalent values ( se 6.4.1.5)
Trang 126.4.2.2 Gr eate toler anc s to comp sition ma be agre d for lar g e forg ing s at the time of en uiry and
orde
6.4.2.3 If so ag re d at the time of en uiry an orde , the content of r sid al element spe ified in the
orde ( e 6.4.1.3)shal be de lar d on the manufactur r 's c r tificate
6.5 Mechanical pr oper ties
The me hanical pro e ties o tained fr om the tes pie es, sele ted, pr p r d an tes ed in ac ordanc with
Clauses 8 an 9 an Ta le 1 shal comply with the values spe ified in the r levant p r t of the EN1 22
se ies or with the agre ment ac ording to 6.3.2
6.6 Weldabi ity
The steels in thisEuro ean Standard ar gener aly r egarded as being welda le
NOT Welding can b car ried out in ac ordance with EN ISO 9606-1:2 1 , EN ISO 1 60 :2 0 ,
EN ISO 1 60 -1:2 04 an EN ISO 1 614-1:2 04
6.7 Surface condition
6.7.1 Gener al
The forging sshal be sou d an fr e from defe t that pr eclu e their inten ed use
The ag re d r eq ir ment for surfac finish shal be comp tible with the r q ir ment for non-des r uctive
6.7.2.2Chipping and/or g r inding
Surfac defe t shal be r emoved b chip ing an / r g rinding pro iding the r sid al thick es me t the
minimum tole anc an that the r esulting depr s ion does not u de cut the r es of the surfac If the
thick es is to be r d c d to below the minimum tole anc , r p ir shal only be car ied out folowing
agre ment with the pur chase
6.7.2.3Chipping and/or g r inding and r esur facing by welding
If r surfacing b welding is ag r eed b the pur hase , prior to the r p ir being car ied out, larger surfac
defe t shal be r moved b chip ing an / r g r inding folowed b r esurfacing b welding an level ng the
weld
NOT T e w elding operations car ied out can b in ac or dance with the p blished stan ar d e.g EN ISO 9606-1,
EN ISO 1 60 :2 0 , ENISO 1 60 -1:2 04 an ENISO 1 614-1:2 04
6.7.3 Ver ificatio ofthe sur face conditio
W her e a pro r iate, r q ir ment tog ethe with the con itions for their ver ification ma be ag re d at the
time of enq iry an orde ( e Ta le 1 and 9.6 an 9.7)
Trang 136.8 Internal soundnes
W her e a pro r iate, r q ir ment tog ethe with the con itions for their ver ification ma be agre d at the
time of enq iry an orde ( e Ta le 1 an 9.8)
The dimensionsan sha e of the prod ct hal conform to the toler anc s s ated in the orde
A ny calculation of the nominal mas of the pr od ct shal be b sed on the folowing density values:
7.1 Types of inspection and inspection documents
7.1.1 Thecomplanc with the r q ir ment of the orde shal be che ked for pr od ct in ac or danc with
this Euro ean Stan ar d b spe ific inspe tion ( se EN 1 0 1:2 0 )
The pur hase shal spe ify the r q ir d type of inspe tion document ( 3.1 or 3.2) in ac ordanc with
EN 1 2 4:2 04
If an inspe tion document 3.1 is spe ified, the man factur r shal o er ate a q alty as ur anc system,
c rtified b a competent Body es a lshed within the Eur opean Commu ity an having u de g one a spe ific
as es ment for mater ials
NOT S e Directive 2 14/68 EU, An e I, section 4.3, third par ag rap an for further information the g uidelines
of the EU Commis ion for its int erpretation (se e.g Guidelines 7 2 an 7 16 [1]
If an inspe tion c rtificate 3.2 is spe ified, the pur hase shal notify the man factur r of the name and
addr s of the org anization or pe son who is to car ry out the inspe tion and prod c the inspe tion
document It shal also be ag re d which p rty shal is ue the c rtificate
7.1.2 The inspe tion document shal inclu e, in ac ordanc with EN 1 1 8:2 04, the folowing codes an
infor mation:
B des r iptio of pr oducts to which the inspection certificate appl es (including detai s of
the he t tr eatment g iven to the forg ing s and, where r epair have be n per formed,
ex tent and location of such r epair s);
C10-C29 tensi e test at ro m temperature and, ifappl cable, at elevated temperatures;
Trang 14C70 ste lmaking proces ;
C71-C92 cast analysis and, if applcable, pro uct analysis (including resid al element content,
where specified);
r esistance to inter g r anular corr osion;
D02-D50 no -destructive tests (NDT), ifappl cable;
7.2 Tests to be c arr ied out
The man atory an o tional tes s to be car r ied out, an the ex tent of tes ing ar spe ified in Ta le1
Table 1 — Type oftests and ex tent oftesting
Man atory
tests
Tensile t est at r oom t emperature 1 per test u it
7.2.1, 8.2.2 an
9.3
Impact t est (by ag re ment at time of en uiry an
order the testing of impact pr opert ies may b optional
for aust enitic stainles steels ac ording to EN 1 2 2
Ultrasonic t esting for verification of inter nal