I nternational Standard @) 6759 0 * 4 4!%& I NTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEX, lYHAPO, lHAR OPrAHMJAUMR ~OCTAH/lAPTH3Ai&lM*ORGANlSATlON I NTERNATIONALE DE NORMALISATION Seamless steel[.]
I n t ern at i on al I N TE RN ATI ON AL ORG AN I ZATI ON Seaml es s iii Tu bes san s Fi rst ed i t i on U DC sou d u : - h eat S TAN D ARD I ZATI ON * M E X, l YH AP O, l H AR st eel en aci er t u bes pou r Bch an g eu rs for de OP r AH M J AU M R h eat @) 6759 *4! %& ~ OCTAH / l AP TH Ai &l M * ORG AN l S ATl ON I N TE RN ATI ON ALE DE N ORM AL I S ATI ON exch an g ers ch al eu r 980- 09- 01 621 643 Descri pt ors FOR St an d ard : 669 8 exch an g ers, st eel t u bes, : - 71 s mo ot h Ref t u bes, seaml es s t u bes, d i men si on s , mass, Ls d i men si on al N o I S0 t ol eran ces Pri ce , 75 - ( E) bas ed on pag e s Foreword I S0 ( th e I nternati onal nati onal st an dards nati onal St an d ard s bod y i nterested ri g ht to an d be Draft the I S0 carri ed for bodi es) t h rou g h wh i ch a I S0 wi th by before al so th e thei r a t ake federati on d evel opi n g h as E very been set org an i zati on s, part tech n i cal accept an ce in th e m em be r up h as th e g overn men t al work com mi t t ees as of I nter- are I nternati on al ci rcu l ated to St an d ard s by Cou n ci l St an d ard an d been I S0 fi tti ng s, approved 6759 an d by the was was devel oped ci rcu l ated m e m ber bod i es by to th e of th e Tech n i cal m e m be r fol l owi ng Comm i t t ee bodi es in cou n tri es Fran ce Rom an i a I ndi a Sou t h Bel g i u m I srael Spai n Can ad a I tal y Ch i l e Korea, Czech osl ovaki a M exi co Un i ted Den m ar k Neth erl an ds USSR Fi n l an d N orway bodi es g rou n d s of th e fol l owi ng cou n tri es of in Swi tz erl an d for Rep of Swi tzerl an d expres sed di sapproval : Org an i z at i on Afri ca, Swed en Rep USA I n t ern at i on al 5, 979 : Au stri a m e m ber I SO/TC Jul y Au stral i a tech n i cal Pri n ted of commi t t ees J apan worl dwi d e work comm i t t ee I n ternati on al I SO, adopt ed approval is Th e techn i cal techn i cal commi t t ee l i son St an d ard s bod i es I ntern ati onal h as in that St an dardi zati on ) m e m be r ou t for on for ( I S0 su bj ect represen t ed Met al pi pes on is a I nternati on al m e m be r Th e in n on - g overn men tal , the It Org an i zati on i nsti tu tes St an d ard i z at i on , 980 Ki n g d om of th e d ocu men t \ I S0 I N TE RN ATI ON ALSTAN D ARD Seaml e s s Scope I of an d Th i s pl n al l oyed u se fi el d of I n tern ati onal en d th e t u bes tu bes ( i n cl u di n g of h eat speci fi es th e steel s) h eat wh i ch u n al l oyed are Di men si on s, ch aract eri sti cs f rom ( E) exch an g ers man u fact u red st n l ess stru ct i on for appl i cati on St an d ard s e aml e ss st eel s in st eel 6759- 990 mas s es Di men s i on s an d an d tol eran ces mas s e s an d i n ten ded Tabl e for - U n al l oyed an d al l oyed steel s exch an g ers mm Th i ckn esses, Ou t si d e Th i s ten ded I n tern ati onal for St an d ard exposu re to d oes n ot cover steel t u bes i n- Mas ses 26041 2, St eel - prod u ct s Part : for pressu re Wrou g h t pu rposes s e aml e s s - Qu al i ty N OTE per uni t 23 l en g t h , kg /m 0, 43 , 56 0, 91 - - 20 - , 72 0, 88 I,1 - 25 - , 92 I,1 44 72 30 - 1 , 38 76 2, l l - , 78 27 , 75 - 36 I S0 a3 mm Referen ce req u i remen t s d i amet ers fl ame - Se e al so th e an n ex tu bes Tabl e - Au st en i t i c st n l ess st eel s mm Th i ckn esses, Ou t si d e d i amet ers Materi al Mass es Tu bes col d or sh al l be fi n i sh ed V, to th e an d except req u i remen t s h eat th at man u factu rer, su res th e be treated h yd rau l i c repl aced equ i val en t by of Th e y test a I S0 sh al l 2604/2 be may, to at an d test the n on - d est ru ct i ve sh al l be cat eg ory opti on test III of th e wh i ch st eel s sh al l preferabl y be 32 f rom th e fol l owi n g : TS2 , TS5, TSSH , kg /m - - , 77 0, 70 0, 64 0, 73 , 01 1 0, 93 I,1 46 75 1 I , 40 79 , 46 81 , 30 79 - - - - Se e al so th e - an n ex : Tabl e Un al l oyed l en g t h , , 445 38 sel ect ed uni t 30 en - l eak- ti g h t n ess per m 25 N OTE Th e zo mm - Ferri ti c st n l ess st eel s TSI O Th i ckn esses, mm Ou t si d e Al l oyed : TS26, TS3 2, TS3 4, TS3 7, TS43 , TS45 d i amet ers 2 32 mm Mass es Ferri ti c st n l ess Au st en i ti c TS58, TS60, : : TS46, TS47, TS48, TS53 , TS54, TS57, , 43 , 55 0, 68 20 0, 548 0, 71 , 75 - 25 TS6 Ot h er g rad es ag reemen t of kg /m l en g t h , steel bet ween f rom th e I S0 2604, man u fact u rer part 2, an d m ay be N OTE - Se e al so th e - - I,1 1 , 42 I , 69 I,1 36 I , 73 , 42 I , 75 24 2, 71 38 su ppl i ed pu rch aser - I,1 0, 90 30 by uni t TS3 stai n l ess TS61 , per an n ex I S0 6759- 960 ( E) Tol eran ces Th e t u bes sh al l tol eran ces on t h i ckn ess be su bj ect ou t si d e i n cl u d e to th e d i amet er tol eran ces i n cl u de g i ven oval i ty bel ow an d Wh e re Th e th ose Len g th l en g th an ce on on is l en g th speci fi ed sh al l be “ exact ” or “cu t l en g th ”, the tol er- : eccen tri ci ty Tol eran ce Len g th + Up to an d i n cl u d i n g 000 3, O mm mm Ou t si d e d i amet er Over 000 mm up to an d i n cl u di n g + 000 4, mm mm U n al l oyed an d al l oyed steel Over t u bes 000 mm up to an d i n cl u di n g + 0 mm 6, mm Tol eran ce Di amet er Up to an d i n cl u d i n g 20 f mm 0, l O Over mm C OOm m up to an d i n cl u d i n g + 7, mm 0 mm Over 20 up to an d i n cl u di n g 38 + mm 0, mm Ove r 000 mm up to an d i n cl u di n g + 30 mm 0 mm Cl ass St n l ess st eel t u bes : Up to an d i n cl u di n g 20 Desi g n at i on mm + 0, mm * 0, 20 mm Th e tu bes d esi g n at ed Ove r 20 up to an d i n cl u d i n g 38 mm a) Cl ass ord eri n g by the speci fi ed th e in th i s fol l owi n g d en omi n at i on I n tern ati onal data Stan d ard sh al l be : “ tu be”; : to Ove r an d 30 i n cl u d i n g up to 30 an d b) referen ce mm i n cl u di n g 38 mm f 0, mm IL mm c) d i men si on s th i s I n tern ati on al St an d ard ; in mi l l i met res ( ou tsi de d i amet er an d t h i ckn ess) ; d) steel E xampl e 2 to Tol eran ce Di amet er Up for Tol eran ce Di amet er type : Th i ckn ess Tu be Th e tol eran ce I ! Z 0, mm) a mi n i mu m on t h i ckn ess except wh ere, t h i ckn ess sh al l by wh en be ag reemen t , th e fol l owi n g k t u bes % are tol eran ce ( mi n i mu m su ppl i ed sh al l 20 to appl y co mpl yi n g mm an d desi g n ated by wi th I S0 t h i ckn ess 6759, of h avi n g mm, an mad e of ou tsi d e steel d i amet er TS wi l l of be : : Tu be + a I S0 6759 - 20 x - TS 20 y Th i s n ati ves N OTE - Th e t h i ckn esses are expressed fi ed, th e i n m e an m as s e s are an d m as s e s per u ni t val u es req u i red to Wh e n be l en g th mi n i mu m i n creased by i n tabl es t h i ckn esses % I,2 I ntern ati on al Th e pu rch aser St an d ard sh al l provi d es state in th e for ord er some the al ter- req u i re- an d are speci - me n t s referri n g accord i n g to th ereto; if man u fact u rer’ s no i n d i cati on ch oi ce i s g i ven , d el i very wi l l be I S0 76 - 6 ( E) An n e x Me tri c It is recog n i zed tu be to Th e se th at tu be- sh eet d i me n si o n s th i ckn e sse s) sh al l th e d i me n si o n s d i me n si o n s cl earan ces, are be in tabl e parti cu l arl y i n terch an g eabl e su bj ect th e to correspon d i n g bel ow wh en wi th ag reemen t m ay th e be l atter correspon d i n g between Ou tsi d e req u i red were i n ch d i me n si o n s man u factu rer N OTE - Th e m as se s are to be cal cu l ated in an d i n ch re- tu bi n g prod u ced Th e d i me n si o n s exi sti n g in i n ch h eat exch an g ers to sati sfy th e cri ti cal si ze s d i ti on s of d el i ve ry (i n parti cu l ar tol eran ces on pu rch aser d i ame ters I On l y wh e n ori g i n al l y I 50, ) to for I I X stai n l ess accord an ce I wi th steel I S0 I X X tu bes 4200