ICS 23.020.30

_ ....Ac::;D 2000-MerkblattMay 2008 edition

>

Materials Botts and nuts made,", AD 20Q0-M....kb!a1l

pressure vessels from ferritic steelsW7

JJwAO .... _ _po :04.,.__ ,

._--~_ ....-t g "';iiQ"" ""d',"" -(AfJI. nw___.,. ,"'''AD2D(}(}ee",s._..~,. - __........ .,.AOOOdll ',,"_0 I

""'AO~_-.y__lISII>OIO""""'-__,"",,"'_"."'O • "iliM~"''''!If... " ,~ ....__", ...._-.I, "*_NYIt.. '""" ...........,.~Ip«iIII __.,.....

"m.r. .f, 811)' diI ..~"•• _ """~ <ll1Iw,l0~ll,if_!If~ It>_NI .... ,_Ill alOIIoIy 01,.... Co<H IW _ ......- fly _ mu.... "p. .,. _1_,. IUtlng. 10$/$, WV.. _/)'0/.._.lkItl~.

F.<tI.- Damp!I<"_. &h.lJtvr· ""I! RdlMIr~"V. (FDBR), f>iHuItJI>rlo.utsdwtGou"_ iJIl/aJIv.rsChortJ1l9 (OGUV). B.1tirlv_ <!et C_Cflet> mellS/m, •.V. (VCII. Fr."Jd,,/l/Ma.

Ye/bond oeurxh., M,sc"""", rJfId ~""'il'.V. (VOAM), FilChgeml>llacNl! v..""'.nslocllnlsc"" M4~_~ F'~""lilJ"

~vtlE" ... OOo"fj,1VGB_r""'.V~E_

v__Tliv ..v (VdTOv),-.

,.". 'ts '......--.., lp;loM It.AD;1(lCJO I "'~IId_"'" _ /Jk1o"Por-' ,ar"u.-.ss_po ; 0........."'N ... ' •

V-...tdernJV..V~FriedridWr~136, H""SerIn

Contents

, '-­, ....2 $1 .._ malerials and SlIengIh cIilsses3R~

4 Tesung

o ForewordThe AO 2000 Code can I)e applied la satisfy the basic salelyrequi,,,,,,,,,,ts 01 IIle P,essu,. Equipmenl Dire<:llve, princ~

pally lor rhe conlormity aSSflSsmonl in accordance witl1modules "G" and -e + F",

The AD 2000 Code is W1.lCl.....ed along rhe lnes ol a se"·contained COI1C&pt. " _ leCIInicaI I\IIes are uMd inKCorWnI:e with II'ol Ilat. ~ Ilw .n 10 solve ,.....led ptob­...... ~ Is assumed thar ...ovaqI concepl hal been laIcen...~The AD 2000 Code can be used as .....'4"iaIe to< _modo*s ollhe PfesstnE~~Ofto< """'..~-.. ollhe law.~ to< --.g is;ol It>" mdinlhep:o:' .. of .. ' .....,.~_oflhe ....

1 ScopeThis AD 2000-_ is appfo;.,. 10 bo/I$ ..-.cl .-.IS ..-.cl10 long prtduc1s used 10 ",.. Ihem of ....alloyed and al·

IIoyad~ used 100" !he COI1SIIu:IDl 01~. 'fftMls,which a'e ope<illed III l¥OflOrog lempe...lures .-.:I III'billnlle~ru,esdown 10 _1 0 "C and "" 10 !he '4'P'" rempera·we Iimils specified in cI;luse 2.Fe< working tempefatu,es below-I 0 'C, AD 20Q0.MofkblallW lOalsoapplies,

5 tJart<.n,J6 ce,lifitaIioo,olquUly

7 Oo!sqlv_

I Appen<b 1: Inlormalion on 2.2 and 2.3

For bolts and nul' msde ol auslerWlic and auslenllic·la,riIicSltets, AD 2000·Melldlla" W 2 appl"", See also 2.2 olAD 200l:f.Mel1<blall W O.

2 Suitable materials and strength classesThe~ """.riIls end II'ength d ........ may be ..-.<I:2.1 BolIs ol Wenglh das_ 5.5 aod 8.8') and nuts 01

I $Ir..-.gIh classes 5 ..., 8 as spKiIIed ... DIN EN ISO 898-1and DIN EN 208118-2 up 10 • 1htead """",,le< 01 M 361••........... _ prMSura ol 40 lion .,., • \en"tIenI.tunr'l of 300 "C.The ..... of basicCQh.ta1 steels WId fRe.aJlIlng .... 1IIlOl pamOlINI. By ed<tng -·r 10" stJ."JlI' dui symbol!,...~ohaIeot*m......... .-.ISarellOl mackof...basic conve<UIf .... Of lfN.onng_

• _ .. r : ,Gl"'''''''~ ''''-.._U_oot,lIO_....... 50-c.UoIno__ ..... _ ..~ ""' IIO· __.....................__...... ....,........_.._ ........ _-_ _,._ .. .-a.ty -..... _lIOmo<)O Io ' '.-..., ... _ ....._ .... 00II\'., _ -_

~ 1'00"_...... 1O"'9O'"!U",_~ '" "" 2OOIl-/d."lif:. S 0,

Supe<sede!I February 2005 itdiIlDn: I .. Amen,""",ls 10 prev!ovs edilion

All .. ,,,_..__..~:TlIo<lgla"'-._..__,,' , ............. ' _ ..

AD 2000-Merkblat:l"t_~__...!~

4 Testing4.1 Bolts and nuts sp""'llled in 1.1 to ZA prod....ed by

chipless torming4.1.1 The bcltssNI bfI mKhanlcaIylHledIn--"'"Wch DIN EN 15089&-1- Tell P,~.., .....A_ln~·

lion DIN EN 26151-3. "lllSt PO\II."'. A __ boIc:8O'Md !IlSl.~ B..... be kJIIca. In bolhcas-.. as. de: re I from 0lH EH ISO "", _ imp-=t_ .... be canied <U: CI'l v..>*Joed ....-.:ill... on bob.... ....-~:l:16mm.

for rnec:Nrlic:Ill resIng, bob~ 01..-.: 7 d In 2.2aro:l 2.3 (e:cepl b Reel~ X22CrM0V1Z-' iItld~) .... assq,ed 10 _~ class s.s WICI SlMIgradIs X22C<f,looVl2-1 and 42C<M041O Itl..oglh daa ".Bob and nuts madft Irom Olhet IWM spocilled in 2.4shIilI be tested in cornpbn:l with IJl.lbbiIjty assess.menl

1 procedu,n by the r"""'-'llhitd~

4.1.2 N\lIS IS spec:ilied in 2.\ wl be '"led IlI:l:OIllng laOIN EN 2IJ.898-2 and DIN EN ISO 898-6. Wkle'*'91n15..... also be carried DUI acco<dW>g IQ DIN EN ISO I~.Nuts all specilied in 2.2 and 2.3 shall be I.SlI'd _riling 10DIN EN 261-13. For nul. ma~ 01 X12Ni5. the ltlsl slreso&S01 steel II'3de 25C,MO'I sh.oII be applied. Wklenin9 testsIlI\an 8180 be ca,ried DUI according to DIN EN ISO 10464.The total w;cening shall be allllasl 8 'fo.The req~itements 01 4.1.4 shall apply lor the ,.;ope 01 ther.a,doess 10l'Sl and of Table 1 !<)f lhe ecope oI1he lest kladand wide"""9 tests.4.1.3 The ltCCe9larcfl lest Iof bo/Is .nll nut. Ilia" be asspedlled In OIN EN ISO 3269. The numbotr of seta 01spKimens requi~ for mechanir;aI teslln{lll spedIied ..Table 1. If ootehed~ spet;lnwna are NQIif9d. thtM~ $pf!CimenS shall constillU a HI. Sutf-.;<l ....If*:lion end dime.....,...1 _iliullon ot boil. and nutsah.Ia bec.m.d0Ul"~wilh ••1.4. n.. •...t_ot eKll irldivi<l.-I bclI end rU aMI be IriIuIlIy inapecIed.. lIMI _ 01 bob end IUS INdI Irvm .teeI~X22CrM0V12·1 end 42CrMM end _ al" 10 2.4whiI;h ertI~wilhX22CtM0V12·1.

"".4 In !he case ot!em 11> llIH EN ISO 3269. lie $CCIpIl

ot deal/UCIIYe~ \eSlinI; be... a de"" ,from DIN EH ISO 3269. as all I TItIle 1. Thot number01 rendam umpIes $haI be 20 In _ CUOI ot tleido _.~ non-desttu:\ive IeSlinv !or ....-I... deIeda Md~lion cheo:b. AI Sj:*ii,... $haI Atisty!he f8q!' .,....

{~ runbe< >\; ~ lI);

Table 1 Salpe 01 rancb'n ........ b destnJdivoI.....::hri:3l \1!SlitIg

~ 8OOto ~12QO •

~ l2QO IQ Slf;OQ ~

~ 1600 IQ ~3000 I

~3000toS35OO 7

~ 3500 DIN EN ISO 3261; mln7

11 s_a is procllJce<l to otIOW flat t!>li bOI!t ana fUls in •Sl"'dfIo: _"J' CIf?lat01<om. oI!"9t _t ......,tedlO_._ neat 1fM1m..-.r. • IIfIIII ba o>tISl<lore<l ...-.. 10 Wt' ""',SIl!I 01~ ~.. 01 ilia .......b8f0I~. This~ln runber 01~HII_ nol 0flPIJ1O bOIls...., ,,0<1 t<l in 2."

(')

, ,

_01_ ·,_tIr _ 1OSIIng

,_.-

.. "'...._._V<ftCN.... ..Cl

3 Requlremenls3.1 8olla, __ long ptoduds made 01 $IHII; \of bolIsend .... ea speciIed .. 2.1 10 2.3 sNI rneel the requIr.­

I menu: 01 DIN 267.13, DIN EN ISO 898-1. DIN EN 2Oll9&-2and OIN EN 10269. Fa sleelll"'des X22CrMoV12·1 and.~ In ciemeter. J: 60 ........ a ""lua 01 52 J sIwlII bem.inlelned In !he noId>~ test. This v......e s/IlIl be the

\..- .vervoge hom IhtM V-notcl>ed speci"*"l and only oneindividual value stIe~ laa boklw the required minim.....a1uebut not by mora than 30 %.TM 1"'l'a<:1 enerllY .-qul,emenls at room te"1"lratuf9 are:l: 40 J 10' alMI. 01 atrength cia" 5.6 Md:l: 52 J fClf sl",ls ofSlren9th class 8.8. Th.... requirements are applicablalo lheme\lll v.IUlI I,om three V·notched specimens and ooly oneva1Uil shall be lower than the 'e{jui,ed """'mum v.l~e, b~t

by no more than 30 "'.Th. perml.slbja mnlmum and minimum ha,dness v.1u1lSsh.l be obl.....d from Ih. $I.ndard tensile strengtha st.t·

[lid In OIN EN 10269 .lterconverslon accoo:lin91O DIN ENISO 18265.3.2 The 8I8Ils b _ end nuts specified in 2-4 shoI~thoo poper1iesl ",*-istic.. 1ho~rnalerial and shSIlI

1 ..-thelolk>wlo.grequt.' ...dSon~~

eIongeIion after lrac1UN A:l: I. '"irnped: -.gy /lit Y-nQIdl teS1 .......1... at bwealWOf\dI'lllalifl8i'lure. but not ~'ll 20 "C.:l: 52 Jkit I\etdened end 1ei14*18d eIIoyed~ z 40J b--The~ -.gy ..... $haI be a_age ......... !mm

bee .......1••; trif__ vMJe....., be below

the~ l'IliniIoun buI ..... by' ""'"' than 30 ""U The bolla Md ..... _ be In Iho heat...aIiSd oord­... specIled for Hell ",.~ 11> _ the~Pf'I9lII'\ies. The malerilll sheI ..... ex/IilllI any ........eplsINemllIdemenI up to the l\'IIllinUn temperalln lA''''ll inseMce. In !he case .. herdened and 1IHTfI8,ed steels, thetempering IeITifl8i.ltn sl'taII alWays exceed the ma>dmo.mseMce~ by' In appropiale_.:J.A The boIIa and ....,. may be pnxl>ced by' ho!. 0< cold­Ionnlng a by' mecfIininll. B<lIts pf<l<luud by' cold-Ionni'Ig..-quIre aubHq....nt heat truatmenl TN$ Is also !he c...wilh coId-lo<mad rUs la speciied In 2.2 10 2.•. SUrlaclsmoothlng.nd Ihread roiling do not counl., cold·fonnir'lgoperallons In Ihe above context. SUbsequent M.t I"St·ment shell ba gNen In the caslof boils and nuts producedby hof·lorming from ll1e sleels specified In DIN EN 10269and otMlr hS'dGnlld and lem~redsteels (except In the CS"of nuts 01 C35E+N sleel).3.5 TM de1iign .nd dim8flslonal accuracy 01 boils .nd n~ts

I shall comply wilh the requirements of DIN ISO 4759·1.ProduclC.... S.

2.2 51.... \of ..... eI elevaled llImperalUO"es C35E+N (\ornub ""'Yl. C3SC.QT. ~. 25CtMooIo. 21C<MoYS-7.

I42QM0"endX22ClMoVI2-1.QTl as ..... if..... D1H2117·13and DIN EN 10269. See ""","do: I.Z.3 ~ b ... al low II!OOijl6ia1lQ$~ Md

I Xl2rf6lr1~ wilh DIN W·13Md DIN eN 102\i19.AD 2000-""'_ W 10. T'" 3.. ia ",. '''''''' <:Me01 ""'"' ....-ed~2A 00. /lIt1lW be*" ...abiIjty M'=-"~ by_..-...ne I'inlllll1)'. The 51_ shalI..- the~_013.2.

_____ AD 2000-Merkblatt~ ,=,,::,:,,:..w1.1/5:I0OI_ Pogo 3

_.5.2 "one 0( the specdleflS .-quire<:! tor tile 1Iar<tlesslest. !hII non-deslfUCllve _ tor .url_ delecls or \!ledi""'nsional ~rilicaliondoes no! meel !tie requirements.• further random sample 01 20 splalilens sh.elI be !Ben.01 whicII all u-. ...-;o,e"s shaIIlTIIIl the flQl.lifemenlS.

I Od'>erwise. the complete ba1d'l Is~ ..~~. in II>e case 0( IM hardness lest, _ manufac.

Mer can subml lt1is batdllO I M1I>If~n.-" 11the -,"'.<4 lhetI tail 10 ..- II>e requiremenIs. 1be~ is IinaIy .ejIIcUKl.

4.5.3 • II>e .-.. I/'IirtI party .... rusooabII <lotDsaboUIllIw r..'....r_. O( ..~. he can~ Ihal_ he It**s 1UIileI* (lwo~ -. apeclI .......... tesI}bec.n.doul

4.5.4 • II>e IacIe .naIysis sIlOWI ........Id dorviaIions rromII>e IirriI __ IllIJIrinlI 10 ..~ coorq)ll 'r H' 0(

high-Ie~e$leIIs, l!loI .....m ItIird I*!Y is /US6fie<lto dernafId eYidencfI at !hi suflllllh p-operties Mo _eeltempe<a!l.'"eS.

5 Marking5.1 BlIlIs ar.<! nuts as lIPflC~led in 2.1 10 2.3 $hal bemlIfl<ed w~~ lhe mlInulactur.ts mark Br.<! the Slfength cia..or symbol tor the stelll g'edCI quoted ... DIN 267-13 (""" alsoAppandix 1 to AD 2O()(j.Merkblen W 7).8~ts with Ihread diamelefl of 52 mm or more shall addi­tlooally be marked with the cast numbor er><! relayant 'hi'dpatty's mark.

5.2 cena'" i<l<1Q pr~ made al steel wHh a diama'er~ 25 mm for !>oil and nul production by machining sl\all bemarked at one end with tile manulKlurer"s mar1< andsymbol ror 51.... gr1rde ar.<! also wilt! 11>1 releYant thirdparty'. mark. Writ> long producll made cl .t.... 0( < 25 rM'I

dlamele<. the bundle is sin't'/r m.rked by .. U."" tagshowing the manufadur..... mark. tile Iymbol tor st&elgrade, tile r"'-""nt third PlIrtfa mar... and. in !he case 01alloy 11ee1s. -'so """" !he c;.llsI number.

5.3 Bob llfId ro.rIS ma"" trem SIe'eIs qUOlfld In 2.4 .......1be .....- In~ -.ilh IUitatliliIy assessmenlproc:edure. BoIl from ". 30 upr<lfdl1lhal1Mi mllr1<e<l ...Ihe reIev.uII lhinl put(1 llafI1land boI1Io from 1.1 52 up­wards shall addIbOi~ be mwte<l_ ... caslllUrT'be<.

6 Certification 01 quality6.1 Bolts6.1.1 BoIlS 0( itI.iQIl"o dell 5.6 lIS "per" I In 2-1. pro-

Iduced byd~ Iorrrwlg. ..... be cenllild ... .., Inspec­lion certifocale 3.1 10 DIN EN 10204. • !hi corull""s$IipJI_ In 6.4 ......... l!loI ........Iio" cll1illicale 3.1 toDIN EN 10204 may be ,~ by ffIllfking wiIh ""S1rWlyt, class 1ft! manuI-..er's ........l.

I For I>olts In olrengltl claM U • .., r".pectio" certiIicaIe 3.210 DIN EN 10204 shaI be proW:3ed. An inspecIIon certifICate

I 3.110 DIN EN 10204 sI>aIIlMi adequall lOt bob In st",nglhcJass 8.8 In the case ot preSSl.Q~ w!'oItr, \hi prO<!uC1ot the capacity V in litres and "" prelSure PS On b"'"(V. PS) S 5000, 11 the condilk>r1s stipulatO'd in 6.4 Sfe met.the Inspection certilicate 3.1 to DIN EN 10204 may be re·pil>ce<! by marl<i,.. with the strenglh class and manulactut·a~s marlt".

6.1.2 Hot- an<! cold·forme<! bo~. as spec~ie<! In 2,2(e""apt for C35E~OT ar.<! 35B2) er.<! 2,3 shail be certilied

( \

,

4.2 80111 and nul. specified in 2.110 2.4 produced bymachlnln!l

U.l W"-prodo ....mby~iololc a<lbyheM

11r.wn.nt. \e$lO'lg~ be performed .. aa:ordance WIth 4.1in .. same way as 101 Ilol· and ookHorfnl'd belI.1Od _.

4.2-2 Mno ..... lr is giveo'l'" rr.-.:l••og. leSWlgof'" _ ur- LSe<! nacallldlooce-' 4.311h1l1 btlUl·Iic:iett 101 ..ilieMito, cl~ pr The in'P'Cl-*0'~ ill IOOIn 1eo 1ln "" ... ofiitJ.. .,....~ S.6.-.c1 8.8 _ be Ihe giwn i'l .......... dEi'e., c;aldilioi>s, tu alleasl v-..es IJNCifiedin 3.1. 11"'1+ Iio 'o/Ihe w"'i....'_<II, 1iClC\QCy...... be carrilIcl Ol.t" iWLQdao::e 'fIiIh 4.1.3.In .. _ 01 ...... <el....ed la in 2.4, ". 1esIs~ in..~ , .._ 'IW.'1 proce<be $haI btperlomwd.

4.3 Testing oIlon!l products for IM ....nulactu.. 01bolt, and nu"

Long producIo ...- 01 steel 10< the manul.etu•• of boIsand null NIl be teSl<ld in accordance with IM '*"amsla'>da,o.. TileI~ req'*etnents 11110 """'" 10< longprodut;1ll mllOo 01 slffi gra<!es ss specif.oed ... DIN EN 10269:

TI\ll tu"_u ,,,.ts srn-n be carried Wl OIl 100 % ot thekmg producl. f'" p'e>ducl IIlic:k""ss8$ ~ 120 mm and10 % tor product thickne.ses S 120 mm. The sPKimenslor lh." 'ensil. lesl and the notched·ba, Impact test Shlllbe lak&ll from 11", k>n<;l products w;,h Ihl hlghest .rIdlow..' ha,dness valL>eS.

In 11>1 C&H or king products 'P"Cilied 10< low temper.­I",.., prool is provided 01 !he O:npad _Ill' ~ IheIows1 ,as, tempe<alure given ... Table 7 ol DIN ENt026llIor IhlI ............ steel gr.cle and p-oducI thir;k.-In l!loI ease 0( long produas .... 0( steel grade_2CIMo4. 1he tensile Iesl shaI be earrIed DUI at elIMI1ee11emI*....... E""'-'ce at \he 0,2 "" ptoalst/ftll IhllI be~ 1II1he dHign ~al\n.• 1IliJ Is I'IOIIlnown,!hi ....... _ IhllI be camed out ... lest ..........0( SOO"c.

Long pn>ducIs made cl stHlIl'''''' X22CrM0VI2·\and 42OM~ shall also be atIjIcIId lO~ and

~ cnd< IesIing. " UIher heal IIUb'''' .. ...n.dout dumg'"~ cl bob and ..... _ 0(

long ptOdo.Ja:r; 0( IIleeI gndet; X22CIUoVI2·\ and.2CttobI... IN bob and nuts oNf be -*'!'did 10 •.....-.. <;lad< le$(.

for long producls made '" steels.os speclied 11'1 2._. 1I'MI~ req.Memen15 .... ""*"_.... Bolts ...<1 nuls made 01 alloy SIHt.

BoIls and nul• ...- '" aIov Sleels sllal be~ by !heMIRUlaeturt' 10' sultable teSllO ens"I >'10 milling 01 "'"~.r\il1s "lIS <><>;V,red.

4.5 R.tests

_.5.1 II one 01 100 specimens reQuired for too destructivetest lor the mechanical properties fails to ","t tile specifiedreQ""em.nls. IWO lurther Sl'ecirnens shall be taken lMetallsll malt \he requirements. Otherwise. the complele testbstCh S!'aI >'101 be approved. Howevsr, tile manulaC1u....c;In subm~ this leSl batch to a turther Ileal lilalmeol. H theIf>IclmeNi then ,.a to~l the reqokeme<lls. lhe test bald'l..... Un.ltt be rojeete<!.

~ sop'... e- me'.oo ..""_"'.......... ..., _ _ ..... _ _ .. ..,_.Aii, _ .....

, _ "II<Illiv...._".",.

AD 2000-Merkblatt

Iwill> .. In..,..:fol , certiIlcaltl 3.2 10 0lN EN 10204. An in­1IpecIion0l1tilieete 3.1 to 011'1 EN llXlO4 .... be"""""'"In Dlbols..- cl C35EoOT ond 3582_• bob a _ diameteI' $311 mm Dl C35E.aT and3582 are used at m:uin'ulI IIowaIlIe pr-...s$"ll tws II'd _100'9""''1*_ S300 "C, IIIAIb'Ig In.,·c:ordiance will 5.1 may be .--.-.1 !of .,_ I",. c:e:tlli­

I ~3.11O DIN EN l0204poo.Wec1lheClOl_os In 8.4'"w'lflIed wilh".6.1.3 For bolts pr-06..ad by machlrr.g wilh S'lhs~q"..mheal trulment U specI".eclln 2.1 10 2.3, ...-nilica1ion shall t.­In accordance with 6. 1.1 and 6.1.2.

6.1.4 In the case Cl! bo/t$ ea specllled in 2.1 to 2.3 P'~

due.cl by machining w~houl $utlstquenl heat trealm.."t,the tong product made 01 sleel,hlll be eartilied in accord·anca with Table 2. Tesling ,,/tile condlUon and d;mensionalaccurac;y 01 boilS es &peCil~ In 2.' 10 2.3~d bymadlinl"ll withou\subisequ.nI he., t"almllnl sIIa~be cerfi.lied In lIle same way 3$ boII$ as~ In 2.1 \0 2.3 pro-

.... o;U;edbyhot-andcold.lom>ng. T.lingollhec:ondilionand'*'-iONl acar.>cy of boils as spIlCilied in 2.\ 10 2.3 plO­<t.lCIId by ....a>II..og wiIhouI·' ........-.c t>eallrUlmenl, theIHdsIOd< !or which t>as 10 be ClI~by ............... IhitdpallY, QIl be cer1iied by !hi boil~..-.g an in­

I SIll" 'QtflifieaIe3.1~.. ~ ......."",,,eenilicala»10 0lH EN 10204 b lhe '-islock hM bMn~ IOIWn.

Api......odldo' cl ...~iI""'"bolI rnar-.JIaclIAwhas beM'a auciled '" All 2001).1 _ W O.

6.1.5 The speo:;tications of suIlIblIIy ...= ,••pnx:ecbe~ 10 _ ~ 01 _ In aa:clIdancewill 2.4.

6.2 Nul,

6.2.1 Nuts as specified in 2. 1 shall be eartlrlfld wiIh an in­I spection cel1lrlcale 3.1 10 OIN EN 1020<1. This inspectiooc~ilicale 3.110 DIN EN 10204 can bolt '1lplaced by ma~with lhfI stranglh class prnvicle<;llhe condition. in 6,4 a,e met' .

1.2.2 Nula "" specified in 2.2 end 2.311\a1l bolt cMilied wilh1 an Inspec1ion cerl~icale 3.1 10 OIN EN 10204, This inS!*'-

'-- ~e;':,a~~:~~~~+~Of:~u.:1= ~n:pleced by fNIrtang with the s1Nlll'ade symbol p<O\'ided th,

I wd!b_1n&4&cemet'1.6.2..3 In !he _ of nuts spKl/iMl in 2..1 to 2..3, produced

by 11*""-'11 with SlbMqlW1l 1\6&1 lrUlm&r't, certiIicmonsNI pt.......-l in II<:CIOf<laooI ..... 6.2..1 8Ild 6.2..2.

6,2,4 In ... ease of "'* Sl»CYl&d in 2..\ to 2..3, pnxlI.r;:odby ..-.tliiii'll withouI $l'bfoqr........ IrNlmIInI, the longIlfOCb;t meodtr of steel shIII be~ _ in<icated inT'bl& 2. Testing of 1h& w ...., anddlmeoosioolalaccuracyshIII be C&'ItilIed in 1ll& same w"" u wiIll1h&~halo aod' coId-"'"'-d nuts '" specilied in 2.1 &tId 2.3,

I I.U In lh& CIIH of nuts made of steelllS speci"18d in 2.4.th' requlremenls et 1I>e suiIabiiIy asH_ill p,ex:eo.-,ahd be appliCllble.

6.3 Conlants 01 Ihe Inspection oertlllcales accordingto DIN EN 10204

6.3.1 The Iospection oertill<:ales Ihall <;DnI&in 1I>e .,forma·lkln ,-..uired In lhfIlec/Vlical cleIiv,ry condirOOslstanclart!s.In add"~icn. aacll inspedion cel1i1lcale shd ""k81a Ih&teehnlcal d&IIve<y co<ldilloIlsIs1allClinls (,.g. DIN 257·13.OIN EN 10269) and ledri::Il specIIic.aliDn (AD 2OCJG.M&rk.blalI W 7) on whictI!he d&h'&<y iI based. .

~ k ilin6erdld issUr'II '" inspeclion carIificate 3.2 lOClC<W­""g to DIN EN 10204. 111& _ &Il&lysiI. 111& _ of 111&"'_ IHl _ ...... of ... sutloce craclr. ""''"(I!c •_ ... __ by !he~ ........ i>ed inIpec­

'on •• 1IatMo. This _F'" &I, iI pari of the it>specJioo.

--"-6.3.2 The ....&I trea1mllnl wodilioii shIII be cer1iIied by' Ihtmanut-"r.ln thecaH of!lard&r*l an:! !el, ..... ed ",eels,!he le!1'Jl'lrlo'lg 1er'I1*a1..... ahd also be S\.Ited.

6.3.3 The ln$p"rian oenA"ocale 3.1 10 DIN EN 10204 avel­.. 10< Ih& long producI made of .1Nl can. In 1IIe CUI etboh and nul. ID bolt produced by machining wlll1DU1 • ..,....qvcn1 hGal treatment, be replaced by a wri~en confirm.lIonlrom the manulilClu'er, Thi. conlirmalion sflall state that thereq\lh'manlS 01 lhe appropri.... malerial slandards 0< ofAD 2QOO-Me,!<tllaU W 7 have bean met and shall .Isof&PO'11he r..sults '" lhe visuallnspe<:lkln and di"""",k>nal_li'aq cil&<:k. Copie. olth' lnspKlion certilicates shallbe p,oviOed l req<>red,In Ih& CIH ot boil. and nuts IS specilie<lln 2.1. made !rem.... grades C35E..N. C35E..oT .nd 3582. lIle wrjIan con­lInnIllion lrem Iha rnanuladlnrean be replaced by marlI;ing.... lh& _91' dass 0< IleeI~ symboI_ ....uac....... mark provided ... wdlio". in 6.. &re CQ'4A!&dwith4\.6.3.. The nlicity of Ih& __Iilicate _,i"g 10OlN EN lCl2O<ll995 edbon) is ... • m dln:U of AD 2OlJO.MertltIIa1l W o.6.. PnIvl.lon lor Ill' replacement of 11'1& In$pedlon

ce<lillcate by~ngWhere 1M i'Ispedion ceni6ca1a 3.1~ 10 DIN EN1O'2CW i& to be~ by maMng. the manu!1I<:tU"r sh.1ha.... CorllhJo\lsly perlormed allh& 1&SIS ,equired 10< all ....

speclion cetlillcale 3. I andahel kHP th& ,esutt. in ",adi·MSS 10< eumlnalion by tM "'Iev.nll~rdparty alan times').

7 Design values7.1 Fo' boil. IS $PfI('~ied In 2.1. Ih& desl~ vallles shel be

I takenlromTablftA1 01 DIN EN IS0691l-1.1.2 Fo< boil. as spedfi&d in 2.2 and 2.3. Ih& _ItN.......... in OIN EN 1Q269 shaI be applicablfl. Fo< short·termope,ation at 'eleliveIy high temper&lurn of male<fels1I*"fI~ In 2.3. Table 3 a of AD 2flllO.MerfobIa W 10 IsappIea"".7.J The~ litIaogd\ valuM at 2O"C _eo in... [)IN 1l&I'Idards.. Sl"'abMy proce<ln doe-

"""'* IhaII be up III SO "C snd IhDse~ ioflOO "C ...... be~ up 10 120 "C. in Iha""*~.&I... """ linear jXAIionbef a",'" sca.1edv-.siI r. "y (e.g. iof80 "C. beI\,eeii 20 "C an:! 100 "C and,Ior 180 "C. bellOeao 100 "C and 200 "C) but no IIlUIlling upiI penrirsib'e, In the case 01 ea spd"N>d in 2.4. \heinle4pDlalic:wl ..... shaI awtYOl'tt "" in1eMll between\he anady known _la I4IIllclenUy srnaJ"I.

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'..' .:..A"'D 2000-MEifKOlalt

Appendix 1 to AD 2000-Merkblatt W 7

Note on 2.2

The materials X22C,MoV12·,.0T2 ar>d Xl 9CrMoVNbN 11-1as specified In OIN EN 10269 have not belln inclU<led aslIlarll have been no known cases ol application. II these ma·'erial. alII ~slld In Individual ropMS f", boRs arld nuts Pfo­duced by machining. the long pfoduct shall be subjected 10an ull,asonic lest. All the bolts and nul. shall undergo a sur·face crack lllsl in the dlllivery condition.

Steel grade 42CrM<>4 (1.7225) as specified In DIN EN, 0269 is Intertdlld t", working temperatures of up 10 500 'CIn conlinuous operat;"".NolI! on 2.2 and 2.3Steel grade 25CrM<:>4 (1.721a) as "l'e<:ilied in DIN EN10269 is suilablll 10< w<>rklng temperatures of -60'C to400 ·C. For uso at working temperatures below -10 ·C,AD 2CiOO-Merl<blatl W 10 shan be applied.

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