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TUBOS - INFORMAÇÕES GERAIS

PIPES AND TUBES - GENERAL INFORMATION

TubosO objetivo dos tubos é o t!"s#ote de u$ %&uido 'o$o ! ()u!* o +&eo ou si$i&! e ! #o#ied!de $!is i$#ot!"te é ! '!#!'id!de ou o di,$eto

i"te"o Os !$ei'!"os %!.e$ disti"/0o e"te #i#e e tube se"do "o$!&$e"te tubi") #!! #e1ue"os di,$etos e #i#e #!! tubos e$ )e!& 1ue

!#ese"t!$ )!"des di,$etos As "o$!s ASME 1ue !#ese"t!$ os e1uisitos di$e"sio"!is dos tubos 2Pi#e3* 1ue é u$ tubo de se/0o

t!"sves!& edo"d!* s0o4

5 ASME B6789M tubos de !/o %oj!dos 'o$ 'ostu! 2so&d!dos3 e se$ 'ostu!

5 ASME B678:M Tubos de !/o i"o;id(ve&

< 'o$u$ #!! ide"ti%i'! os tubos e$ #o&e)!d!s us!"do NPS 2No$i"!& Pi#e Si.e3 ou =T!$!">o "o$i"!& do tubo= O e1uiv!&e"te $éti'o é

'>!$!do DN ou =di,$eto "o$i"!&= As desi)"!/?es $éti'!s est0o de !'odo 'o$ ! ISO 2O)!"i.!/0o I"te"!'io"!& de No$!s3 e !#&i'!$-se !

todo o e"'!"!$e"to* )(s "!tu!&* +&eo #!! !1ue'i$e"to* e* !&é$ de tubu&!/0o divesos us!dos e$ edi%@'ios Not! - o uso de NPS "0o é

'o$#!t@ve& 'o$ ! desi)"!/0o !$ei'!"! de #!d0o #!! tubo o"de o te$o NPS si)"i%i'! =N!tio"!& Pi#e T>e!d St!i)>t=

O NPS é u$ i"di'!do !d$e"sio"!& de t!$!">o de tubo E&e i"di'! o t!$!">o de tubo 1u!"do se)uido do "$eo 1ue desi)"! u$! di$e"s0o

es#e'@%i'! se$ u$ s@$bo&o #o&e)!d!s Po e;e$#&o* o NPS i"di'! u$ tubo 'ujo di,$eto e;te"o é de *6C Os tubos de NPS 8 e $e"oes

t$ $e"o di,$eto e;te"o $!io do 1ue o t!$!">o i"di'!do #e&o i"di'!do 2#o e;e$#&o* * * 7*3 No e"t!"to* o di,$eto e;te"o #!!

tubos 'o$ NPS 8 e $!io* é i)u!& !o di,$eto do i"di'!doPo e;e$#&o* o NPS 8 i"di'! 1ue o tubo te$ u$ di,$eto e;te"o i)u!& ! 8 #o&e)!d!s O di,$eto i"teio i( de#e"de d! es#essu! d!

#!ede do tubo es#e'i%i'!do #e&o "$eo do s'>edu&e o"su&te ! ASME B6789M ou ASME B678:M

Di,$eto "o$i"!& 2DN3 é t!$bé$ u$ i"di'!do !d$e"sio"!& de t!$!">o d! tubu&!/0o do siste$! de u"id!de $éti'!* dese"vo&vido #e&!

I"te"!tio"!& St!"d!ds O)!"i.!tio" 2ISO3

E&e i"di'! o t!$!">o de tubo de #!d0o 1u!"do se)uido do "$eo 1ue desi)"! ! di$e"s0o es#e'@% i'! se$ u$ s@$bo&o $i&@$eto Po

e;e$#&o* DN 9 é ! desi)"!/0o e1uiv!&e"te deNPS

As di$e"s?es "o$i"!is dos tubos 2tubes e "0o #i#es3 s0o b!se!dos "o di,$eto e;te"o Se o&>!$os #!! o##e Tubes - ASTM BHH 2tubos de

'obe3 o di,$eto e;te"o de u$ tubo de =é de *8=* e&!tiv!$e"te #eto de =

O di,$eto i"te"o de u$ tubo de#e"de d! su! es#essu! de #!ede A es#essu! é $uit!s ve.es es#e'i%i'!d! 'o$o bito&! Se o&>!$os #!! o

 =Tubes

T>e #u#ose o% t>e tubes is t>e t!"s#ot o% ! %&uid su'> !s !te* oi& o si$i&! !"d t>e $ost i$#ot!"t #o#etJ is t>e '!#!'itJ o i""e

di!$ete A$ei'!"s disti")uis> betee" #i#e !"d tube is usu!&&J s$!&& di!$ete tubi") !"d #i#e %o )e"e!& tubes t>!t >!ve &!)e di!$etes

ASME #ese"ti") t>e di$e"sio"!& e1uie$e"ts o% t>e #i#es 2#i#e3* >i'> is ! tube it> ou"d 'oss se'tio" !e4

5 ASME B6789M %o)ed stee& #i#es it> se!$ 2so&dies3 !"d se!$&ess

5 ASME B678:M St!i"&ess Stee& Pi#es

It is 'o$$o" to ide"ti%J t>e tubes i" i"'>es usi") NPS 2No$i"!& Pi#e Si.e3 T>e $eti' e1uiv!&e"t is '!&&ed DN o = "o$i"!& di!$ete= Meti'

desi)"!tio"s !e !''odi") to ISO 2I"te"!tio"!& St!"d!ds O)!"i.!tio"3 !"d !##&J to !&& #&u$bi")* "!tu!& )!s* >e!ti") oi&* !"d i" !dditio" to

v!ious #i#e used i" bui&di")s Note - NPS use is "ot 'o$#!tib&e it> US St!"d!d desi)"!tio" %o NPS tube >ee t>e te$ $e!"s = N!tio"!&

Pi#e T>e!d St!i)>t =

NPS is ! di$e"sio"&ess i"di'!to #i#e si.e It i"di'!tes t>e #i#e si.e >e" %o&&oed bJ t>e "u$be desi)"!ti") ! s#e'i%i' di$e"sio" it>out !

sJ$bo& i"'>es Fo e;!$#&e* NPS i"di'!tes ! #i#e >ose oute di!$ete is 6C NPS 8 !"d s$!&&e #i#es >!ve ! oute di!$ete )e!te t>!"

t>e si.e i"di'!ted bJ t>e i"di'!to 2%o e;!$#&e* * * 7* 3 Koeve* t>e oute di!$ete o% tube 8 !"d )e!tes is e1u!& to t>e di!$ete o% t>e

i"di'!to

Fo e;!$#&e* NPS 8 s>os t>!t t>e tube >!s !" oute di!$ete o% 8 i"'>es T>e i"side di!$ete i&& de#e"d o" t>e !&& t>i'"ess o% t>e #i#e

s#e'i%ied bJ t>e s'>edu&e "u$be See ASME ASME B6789M o B678:M

No$i"!& di!$ete 2DN3 is !&so ! !d$e"sio"!& i"di'!to #i#e si.e%o $eti' u"it sJste$* deve&o#ed bJ t>e I"te"!tio"!& St!"d!ds O)!"i.!tio"

2ISO3It i"di'!tes t>e st!"d!d #i#e si.e >e" %o&&oed bJ t>e "u$be desi)"!ti") t>e s#e'i%i' di$e"sio" it>out ! $i&&i$ete sJ$bo& Fo i"st!"'e*

DN 9 is !" e1uiv!&e"t desi)"!tio" NPS

T>e "o$i"!& di$e"sio"s o% t>e tubes 2tubes !"d "ot #i#es3 !e b!sed o" t>e outside di!$ete I% e &oo o##e Tubes - ASTM BHH 2'o##e

tubes3* t>e outside di!$ete o% ! #i#e is = 8 = e&!tive&J '&ose to i"

T>e i"te"!& di!$ete o% ! tube de#e"ds o" t>e t>i'"ess o% t>e !&& T>e t>i'"ess is o%te" s#e'i%ied !s )!u)e I% e &oo !t t>e st!"d!d ASTM

'o##e #i#e BHH* t>e !&& t>i'"ess o% 99H6 == ! == is t>e )!u)e #i#e 8 =

tEtEtEtE

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E1uiv!&"'i! NPS e DN

NPS !"d DN E1uiv!&e"'e

SKEDULES'>edu&e é o te$o 1ue desi)"! ! es#essu! de #!ede de u$ tubo < e#ese"t!do #o u$ "$eo 1ue é obtido d! se)ui"te

e&!/0o

S'> 8999 P So"de

P#ess0o de sevi/o 2#si3

Ste"s0o !d$iss@ve& 2#si3

u!"to $!io o S'>edu&e* $!io ! es#essu! de #!ede do tubo

S'>edu&e is t>e te$ %o t>e !&& t>i'"ess o% ! tube It is e#ese"ted bJ ! "u$be t>!t is obt!i"ed %o$ t>e %o&&oi")

e&!tio"s>i#

S'> 8999 P S>ee

P oi") #essue 2#si3S !&&o!b&e stess 2#si3

S'>edu&e >i)>e* t>e )e!te t>e t>i'"ess o% t>e tube !&&

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o$o $e"'io"!do* S'>edu&e é u$ "$eo 1ue de%i"e ! es#essu! de #!ede do tubo* e s0o !ssi$ e#ese"t!dos * S* 89* 89S*

9* 9S* 69* 9* 9S* 79* H9* H9S*899* 89* 89* 879

Obsev! 1ue !s desi)"!/?es oi)i"!is DST* QS e QQS %o!$ $!"tid!s4 "o e"t!"to* e&es 'oes#o"de$ ! u$ 'eto "$eo de

SKEDULE de#e"de"do do t!$!">o "o$i"!& d! tubu&!/0o A es#essu! "o$i"!& d! #!ede #!! NPS 89 e o

$e"o s'>edu&e 9 é $es$! 1ue ! de DST T #i#e2di!$ete st!"d!d ei)>t #i#e3 Do $es$o $odo* o NPS H e o $e"o

s'>edu&e H9 t$ ! $es$! es#essu! de #!ede 'o$o o tubo de"o$i"!do QS

Os "$eos de s'>edu&e se)uido #e&! &et! S s0o* de !'odo 'o$ o ASME B678:M* desti"!dos #i"'i#!&$e"te #!! uso 'o$tubos de !/o i"o;id(ve&

As $e"tio"ed* S'>edu&e is ! "u$be t>!t de%i"es t>e t>i'"ess o% t>e tube !&&* !"d !e e#ese"ted !s %o&&os * S* 89* 89s*

9* 9s* 69s* 9s* 9s* 79s* H9s* H9s* 899* 89* 89 879

Note t>!t t>e oi)i"!& "!$es STD* QS !"d QQS ee e#t4 >oeve* t>eJ !''ou"t %o ! "u$be o% SKEDULE de#e"di") o" t>e

"o$i"!& si.e o% t>e tubi") T>e "o$i"!& !&& t>i'"ess %o NPS 89 !"d t>e &oe s'>edu&e 9 is s!$e !s t>e STD T #i#e

2st!"d!d ei)>t #i#e di!$ete3 Si$i&!&J* t>e &oe H !"d NPS s'>edu&e H9 >!ve t>e s!$e !&& t>i'"ess !s t>e tube te$ed QS

S'>edu&e "u$bes %o&&oed bJ t>e &ette S !e* !''odi") to t>e ASME B678:M* i"te"ded #i$!i&J %o use it> st!i"&ess stee&

tubes

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De $odo ! es'&!e'e ! "o$e"'&!tu!* vei%i'! #e&! %i)u! !b!i;o e su! &e)e"d! 1ue STD é ! $es$! 'ois! 1ue S'> 9 e 1ue QS é !

$es$! 'ois! 1ue S'>edu&e H9 O e;e$#&o %oi to$!do !#e"!s #!! o di,$eto i" so$e"te #!! 'o$#!!/0o

I" ode to '&!i%J t>e "o$e"'&!tue* Jou '!" see i" t>e %i)ue be&&o !"d !"d its &e)e"d t>!t STD is t>e s!$e !s S'> 9 !"d QS is

t>e s!$e !s S'>edu&e H9 T>e s!$#&e !s t!e" o"&J to t>e di!$ete * %o 'o$#!iso"

LASSE DE PRESSO

PRESSURE LASS RATING

A '&!ssi%i'!/0o de %&!")es usu!& "!s i"dsti!s* &ev!$ e$ 'o"t! ! '&!sse de #ess0o* '&!sses ess!s b!se!d!s "! ASME B87 e ISO

C99 PN si)"i%i'! Pessio" No$i"!& 2%!"'s3 ou #ess0o "o$i"!& 1ue é se)uido #o u$ "$eo i"di'!"do ! #ess0o e$ b!

E;e$#&o PN 9 A t!be&! !b!i;o $ost! ! e1uiv!&e"'i! e"te os v!&oes PN e &!sse de #ess0o ASME 2&!ss3

A '&!ssi%i'!/0o de tubu&!/0o deve se e)ido #e&! '&!sse de #ess0o-te$#e!tu! do 'o$#o"e"te $!is %!'o do siste$! d!

tubu&!/0o

T>e usu!& %&!")es !ti") i" i"dustJ* t!e i"to !''ou"t t>e #essue '&!ss* t>ese '&!sses b!sed o" ASME B87 !"d ISO C99 PN

$e!"s Pessio" No$i"!& 2Fe"'>3 o #essue t>!t is %o&&oed bJ ! "u$be i"di'!ti") t>e #essue i" b! E;!$#&e PN 9 T>et!b&e be&o s>os t>e e1uiv!&e"'e betee" t>e PN v!&ues !"d #essue ASME &!ss 2&!ss3

T>e #i#e '&!ssi%i'!tio" s>!&& be )ove"ed bJ t>e e!est 'o$#o"e"t o% t>e #essue-te$#e!tue !ti") o% t>e #i#e sJste$

F!i;!s de #ess0o-te$#e!tu! de di%ee"tes '&!sses v!i!$ 'o$ ! te$#e!tu! e o $!tei!& de %!bi'!/0o

P!! !s '&!sses de #ess0o e te$#e!tu!* 'o"su&te !s t!be&!s e$ B87 ASME* ou ASME B876

Pessue-te$#e!tue !ti")s o% di%%ee"t '&!sses v!J it> t>e te$#e!tue !"d t>e $!tei!& o% 'o"stu'tio"

Fo #essue-te$#e!tue !ti")s* e%e to t!b&es i" ASME B87* o ASME B876

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TUBOS FORADOS DE AÇO OM E SEM OSTURA 2ASME B6789M-993

ELDED AND SEAMLESS ROUGKT STEEL PIPE 2ASME B6789M-993

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Not!s 8 e 283 NPS 2T!$!">o No$i"!& do tubo3 é u$ i"di'!do !d$e"sio"!& 1ue te$ substituido !s u"id!des 'ostu$ei!s de se/0o #e&o te$o #evio I"'>

No$i"!& Si.e

23 DN 2Di,$eto "o$i"!&3 é u$ i"di'!do !d$e"sio"!& uti&i.!do "o siste$! $éti'o #!! des'eve o t!$!">o do tuboNotes

283 NPS 2No$i"!& Pi#e Si.e3 is ! di$e"sio"&ess desi)"!to t>!t >!s bee" substituted i" t>e 'usto$!J u"its se'tio" %o t>e #evious te$

I"'> No$i"!& Si.e

23 DN 2No$i"!& Di!$ete3 is ! di$e"sio"&ess desi)"!to used i" t>e SI 2$eti'3 sJste$ to des'ibe #i#e si.e

NOTAS 8* e 6  2NOTES 8* !"d 63

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Not! 6

PLAIN END EIGKT 2#e3 T>e #&!i" e"d ei)>t e;#essed i" #ou"ds #e %oot is used i" 'o""e'tio" it> #i#e to des'ibe t>e "o$i"!& o

s#e'i%ied ei)>t #e %oot T>is ei)>t does "ot !''ou"t %o !djust$e"ts i" ei)>t due to e"d %i"is>i") su'> !s u#setti") o t>e!di")

VW #e 897H 2D - t3t

>ee

#e #&!i" e"d ei)>t* '!&'u&!ted to de'i$!& #&!'es !"d ou"ded to de'i$!&s* #ou"ds%oot

D S#e'i%ied Outside Di!$ete o% t>e Pi#e* i"'>es

t S#e'i%ied !&& T>i'"ess* i"'>es

E;!$#&e !&'u&!te t>e #&!i" e"d ei)>t o% #i#e >!vi") ! s#e'i%ied OD o% C i"'>es !"d ! !&& t>i'"ess o% 9 i"'>es

#e 897H 2C999 - 93 9#e 6C78

 

PESO &isos 2#e3 O #eso %i"!& #&!"@'ie e;#ess! e$ &ib!s #o #é é us!d! e$ 'o"e;0o 'o$ ! tubu&!/0o #!! des'eve o #eso "o$i"!& ou

es#e'i%i'!dos #o #é Este #eso "0o &ev! e$ 'o"t! !justes de #eso devido X %i"!& de !'!b!$e"to* 'o$o #etub!do ou os1ue!$e"to

VW #e 89*7H 2D - t3 t

o"de

#e #eso %i"!& si$#&es* '!&'u&!d! #!! 1u!to '!s!s de'i$!is e !edo"d!dos #!! du!s '!s!s de'i$!is* &ib!s #é

D es#e'i%i'!do di,$eto e;te"o do tubo* #o&e)!d!s

t Es#e'i%i'!do es#essu! d! #!ede* #o&e)!d!s

E;e$#&o !&'u&e o #eso %i"!& #&!"@'ie de tubo 1ue te$ u$ OD es#e'i%i'!do de C #o&e)!d!s e u$! es#essu! de #!ede de 9*9 #o&e)!d!s

#e 89*7H 2C*999-9*93 9*9

#e 6C*78

#e 6C*7 &b #é

TUBOS 2PIPES3 DIMENSÕES E PESO - DIN H E H

PIPES - DIMENSIONS AND EIGKTS - DIN H AND H

De $odo ! $e&>o! ! 'o"su&t!* ! t!be&! se( divid! 'o"%o$e $ost!do ! se)ui

I" ode to $!e bette t>e 'o"su&t to t>e t!b&e it i&& be divided !s s>o" be&o

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TUBES 2PIPES3 AORDING ISO 88C !"d 88:

ISO 88C-8:H92E3 YSt!i"&ess stee& tubes - Di$e"sio"s* to&e!"'es !"d 'o"ve"tio"!& $!sses #e u"it &e")t>Z

ISO 88:-8::2E3 YStee& tubes %o boi&es* su#e>e!tes !"d >e!t e;'>!")es - Di$e"sio"s* to&e!"'es !"d 'o"ve"tio"!&

$!sses #e u"it &e")t>

ISO 88C-8:H92E3 YTubos de !/o i"oid(ve&[ - Di$e"s?es* to&e,"'i!s e #eso 'o"ve"'io"!& #o u"isd!de de 'o$#i$e"to

ISO 88:-8::2E3 YTubos #!! '!&dei!s* su#e1ue'edoes e to'!does de '!&o= di$e"s?es* to&e,"'i!s e #eso 'o"ve"'io"!& #o

u"id!de de 'o$#i$e"to

A "o$! ISO "0o %!. disti"/0o e"te PIPE e TUBE A ISO 88C e ! ISO 88: t!t!$ es#e'i%i'!$e"te de tubo de !/o i"o;id(ve&* e

s0o b!se!dos "! "o$! ISO 99

A ISO 7C9H 8:: 2E3 de%i"e ! séie DN de t!$!">os "o$i"!is 'o$o u$! desi)"!/0o !&%!"u$éi'! de t!$!">o #!!

'o$$#o"e"tes de u$ siste$! de tubu&!/0o* 1ue é us!do #!! %i"s de e%e"'i! E&e 'o$#ee"de !s &et!s DN se)uido#o u$ "$eo i"teio se$ di$e"s0o 1ue é i"diet!$e"te e&!'io"!d! 'o$ o t!$!">o %@si'o* e$ $i&@$etos* do %uo 2ID3

ou di,$eto e;te"o 2OD3 d!s &i)!/?es te$i"!is A t!be&! ! se)ui &ist! os t!$!">os DN 'o$ b!se "o di,$eto e;te"o

T>e ISO st!"d!d does "ot disti")uis> betee" PIPE !"d TUBE T>e ISO 88C !"d ISO 88: s#e'i%i'!&&J de!& st!i"&ess stee& tube*

!"d !e b!sed o" ISO 99

T>e ISO 7C9H 8:: 2E3 de%i"es t>e DN seies o% "o$i"!& si.es !s ! si.e !>!"u$ei' desi)"!tio" %o 'o$#o"e"ts o% ! #i#i")

sJste$* >i'> is used %o e%ee"'e #u#oses It 'o$#ises t>e &ettes DN %o&&oed bJ ! >o&e "u$be it>out di$e"sio" t>!t is

i"die't&J e&!ted to t>e #>Jsi'!& si.e* i" $i&&i$etes* o% t>e boe 2ID3 o oute di!$ete 2OD3 o% t>e e"d &i"s T>e %o&&oi") t!b&e

&ists t>e DN si.es b!sed o" t>e outside di!$ete

TUBOS SEGUNDO A ISO 88C e 88:

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Fo"tes de e%e"'i! 2Sou'es3

ASME B6789M- 99 e&ded !"d Se!$&ess ou)>t Stee& Pi#e

Pi#i") K!"dboo* Ct> Editio"* M' G! Ki&&

E")i"eei") Too& Bo;

uso de tubu&!/?es i"dusti!is* F!'u&d!de de E")e">!i! ui$i'! de Loe"! - Po% A"t\"io é&io Ribeio

Pi#e D!%ti") !"d Desi") - "d editio" - RoJ A P!is>e ] Robet A R>e! - Gu&% Po%essio"!& Pub&is>i")

>tt#)&ob!&su##&J&i"e'o$!u#d%s#odu't-!")eASTM-#i#e-s'>edu&e-di$e"sio"s#d% 

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