Bolts and nuts made from ferritic steels
_ _ _ _ _ AD 2000-Merkblatt4.2 80111 and nul. specified in 2.110 2.4 produced by machlnln!lW"-prodo .... mby~iololc a<lbyheM
U.l
1in . . same way as 101 Ilol· and ookHorfnl'd belI.1Od _ . I 4.2-2 Mno ..... lr is giveo'l'" rr.-.:l og. leSWlg of'" _ ur- LSe<! nacallldlooce-' 4.311h1l1 btlUl·Iic:iett 101 . .ilieMito, cl~ pr -*0'~ ill IOOIn 1eoiitJ .. .,....~ S.6.-.c1 8.8 _
1r.wn.nt.\e$lO'lg~ be performed .. aa:ordance WIth 4.1
The in'P'Cl
1ln"" . . . of
be Ihe
giwn i'l . .
........ dEi'e., c;aldilioi>s, tu alleasl
v-..es IJNCified
in 3.1. 11"'1+ Iio 'o/Ihe w"'i....' _<II, 1iClC\QCy ...... be carrilIcl iWLQdao::e 'fIiIh 4.1.3. In . . _ 01 ......<el.... ed la in 2.4," . 1esIs~ in ..~, .._ 'IW.'1 proce<be$haI btperlomwd.
Ol.t"
4.3
Testing oIlon!l products for IM .... nulactu.. 01 bolt, and nu"
0( the specdleflS .-quire<:! tor tile 1Iar<tless !hII non-deslfUCllve _ tor delecls or\!le di""'nsional~rilicalion does 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. 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 . -" 11 the -,"'.<4 lhetI tail 10 . . - II>e requiremenIs. 1be~ is IinaIy .ejIIcUKl. 4.5.3 II>e . - . . I/'IirtI party .... rusooabII<lotDs aboUIllIw 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 rrom II>e IirriI _ _ IllIJIrinlI 10 . .~ coorq)ll 'r H' 0( high-Ie~e$leIIs, l!loI .....m ItIird I*!Y is/US6fie<l to dernafId eYidencfI at !hi suflllllh p-operties Mo _eel
lest.
_.5.2
"one
~,=,,::,:,,:..w
1.1/5:I0OI_ Pogo 3
.url_
tempe<a!l.'"eS.
Long producIo . . . - 01 steel 10< the manul.etu of boIs
(
\
and null NIl be teSl<ld in accordance with IM '*"am sla'>da,o.. Tile I~ req'*etnents 11110"""'" 10< long produt;1ll mllOo 01 slffi gra<!es ss specif.oed ... DIN EN 10269: TI\ll tu"_u srn-n be carried Wl OIl 100% ot the kmg producl. f'" p'e>ducl IIlic:k""ss8$~ 120 mm and 10% tor product thickne.ses S 120 mm. The sPKimens
,,,.ts
lor lh." 'ensil. lesl and the notched·ba, Impact test Shlllbe lak&ll from 11", k>n<;l products w;,h Ihl hlghest .rId low..' 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'~ Ihe
lIPflC~led in 2.1 10 2.3$hal be mlIfl<ed w~~ lhe mlInulactur.ts mark Br.<! the Slfength c
ia.. or symbol tor the stelll g'edCI quoted ... DIN 267-13 (""" also Appandix 1 to AD 2O()(j.Merkblen W 7). 8~ts with Ihread diamelefl of 52 mm or more shall additlooally be marked with the cast numbor er><! relayant 'hi'd patty's mark.
5 Marking 5.1 BlIlIs ar.<! nuts as
,
Iows1,as, tempe<alure given ... Table 7 ol DIN EN t026llIor IhlI ............ steel gr.cle and p-oducI thir;k.
_2CIMo4. 1he tensile Iesl shaI be earrIed DUI at elIMI1ee1
In l!loI
ease
0( long produas . . . . 0(
steel grade
1emI*....... E""'-'ce at\he 0,2"" ptoalst/ftll IhllI be~ 1II1he dHign~al\n. 1IliJ Is I'IOIIlnown, !hi ....... _ IhllI be camed out ... lest .......... 0( SOO"c.
Long pn>ducIs made cl stHlIl'''''' X22CrM0VI2·\and 42OM~ shall also be atIjIcIId lO~ and~ cnd< IesIing." UIher heal IIUb'''' .. ...n.d out dumg'"~ cl bob and ..... _ 0( long ptOdo.Ja:r; 0( IIleeI gndet; X22CIUoVI2·\ and .2CttobI... IN bob and nuts oNf be -*'!'did 10 .....-..<;lad< le$(.
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 be marked at one end with tile manulKlurer"s mar1< and symbol ror 51.... gr1rde ar.<! also wilt! 11>1 releYant third party'. mark. Writ> long producll made cl .t.... 0(< 25 rM'I dlamele<. the bundle is sin't'/r m.rked by .. tag showing the manufadur..... mark. tile Iymbol tor st&el grade, tile r"'-""nt third PlIrtfa mar... and. in !he case 01 alloy 11ee1s. -'so"""" !he c;.llsI number. 5.3 Bob llfId ro.rIS ma"" trem SIe'eIs qUOlfld In 2.4 .......1 be .....- In~ -.ilh IUitatliliIy assessmenl proc: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<.~
U.""
for long producls made '" steels.os speclied~ req.Memen15 ....
""*"_
11'1
2._. 1I'MI
III
6 Certification 01 quality 6.1 Bolts 6.1.1 BoIlS 0( itI.iQIl"o dell 5.6 lIS"per" I In 2-1. produced by d~ Iorrrwlg. ..... be cenllild ... .., Inspeclion certifocale 3.1 10 DIN EN 10204. !hi corull""s
....
Bolts ...<1 nuls made 01 alloy SIHt.
BoIls and nul . . . - '" aIov Sleels sllal be~ by !he MIRUlaeturt' 10' sultable teSllO ens"I>'10 milling 01"'"~.
r\il1s"lIS<><>;V,red.R.tests
4.5
_.5.1 II one 01 100 specimens reQuired for too destructive test lor the mechanical properties fails to","t tile specified reQ""em.nls. IWO lurther Sl'ecirnens shall be taken lMet allsll malt\he requirements. Otherwise. the complele test bstCh S!'aI>'101 be approved. Howevsr, tile manulaC1u .... c;In subm~ this leSl batch to a turther Ileal lilalmeol. H the If>IclmeNi to~l the reqokeme<lls. lhe test bald'l ..... Un.ltt be rojeete<!.
$IipJI_ In 6.4 ......... l!loI ........ Iio" cll1illicale 3.1 to DIN EN 10204 may be,~ by ffIllfking wiIh"" S1rWlyt, class 1ft! manuI-..er's ........l. For I>olts In olrengltl claM U .., r".pectio" certiIicaIe 3.2 10 DIN EN 10204 shaI be proW:3ed. An inspecIIon certifICate 3.110 DIN E
N 10204 sI>aIIlMi adequall lOt bob In st",nglh cJass 8.8 In the case ot preSSl.Q~ w!'oItr,\hi prO<!uC1 ot 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~
then,.a
sop'... e
me'.oo" _ ... ..,_ .."_ _.." ' .......... ..., _" ."_. ..... ..,_.Aii, _"II<Illiv...._,