Page 1 of 2
Pipe wall thickness calculation according ASME B31.3
2.-Pipe exterior diameter d& = " de =
+ata Pipe (C) material 4eld 5oi&t t6pe
(Note )
mm
(Note1)
"
+esig& press%re
P=
1.2:
+esig& temperat%re
temp =
77
Corrosio& allowa&*e 9$read (@esANo)
9C = 9$read =
3.17; @es
i&
3
Mpa
:
°C
;
mm
<
3.-Material allowable stress
7
($eet 1)
HmmI HMPaI
Col =
3
t =
37."
°C
s =
137.
MPa
Col8 =
:
t8 =
3.3
°C
s8 =
137.
MPa
s8 L (s - s8) (tb - t)A(t b - ta) 13"
MPa
a*tor >> from s$eet :.- 9abla -18# 9able -18 (Note :) Material
1
dA< =
HMpa ga%geI
B %alit6 fa*tor 6B *oeffi*ie&t from 9able 3:.1.1
a&d a lo&git%di&al weld
($eet :)
4eldi&g t6pe -fa*tor
;.- >6> *oeffi*ie&t for eG%atio& (3a) 9abla 3:.1.1 s$o%ld be %sed for t ! dA< d= ,/0 mm
HmmI
sB material allowable stress
149
=
PB desig& i&ter&al press%re deB pipe exterior diameter
93
=
M 831.3# 9abla -18 gi?es
(3 ( 3a of M 831.3 paragrap$ 3:.1.2
tdisB desig& t$i*F&ess b6 press%re
(or t ! 3" °C# t$e table %ses 3" °C)
(Note :) P;/ Dr. E:2
t6peB
(3 a )
(ele*ted material)
=
9$e press%re desig& t$i*F&ess >t> is *al*%lated a**ordi&g eG%atio&
⋅[ σ ⋅ E + P⋅Y ] ]
°C
1
($eet 3)
:.- %alit6 fa*tor >> for t$e gi?e& lo&git%di&al weld t6pe
1.-Press%re desig& t$i*F&ess
2
(Note 3)
M 831.1#9able -1 (s$eet 3) sallow = 13" MPa
MaterialB
P⋅d ext
77
rom s$eet 3
2
d& =
t= 'ow = (Note 2)
1
Nomi&al diameter
t dis =
,/0
i&
Material allowable stress (Note 3)
,/0
,/0
M 3:.1.1-3:.2.1# 9able 3:.1.1. gi?es forB
>6 *oeffi*ie&t> 6=
t=
:"2
°C
(or t ! :"2 °C# t$e table %ses :"2 °C)
(Note ;)
material t6peB
H-I H-I
1
Coefi*ie&te >6> for t$e temperat%re >t> (N (Note ;)
mm
a&d 9emperat%reB
P;/
(or t J <21 °C# t$e table %ses <21 °C) "
77
KC
.:
Col =
1
t =
:"2
°C
@ =
.:
Col8 =
2
t8 =
;1
°C
@8 =
.;
3
1 :"2 1 .: .: .: 3
2 ;1 2 .: NA .; .: :
: ;3 : .; NA .7 .: <
; <21 ; .7 NA .7 .: 7
($eet ;) Cell stori&g mat. &%mber
& *ol%m&s >P> to >4># it is possible to see t$e *al*%latio& steps. 9o see t$ese *ol%m&s# if t$e6 are $iddee *li*F o& t$e pl%s sig& >L> i& t$e %pper teil of t$e s$eet.
9$e &i&e () *ells i& gelb are reG%ired i&p%ts 9$e last i&p%t (,) *orrespomds to t$e s*$ed%le t$at s$all be sele*ted to obtai& a t$i*F&ess larger t$a& t$e i& poi&t ,1 *al*%lated mi&im%m reG%ired.
9o see $idde& s$eets# - 'ig$t *li*F o& a&6 s$eet-label - *li*F o& 0&$ide
or res%lt *$e*Fi&g#see example i& s$eet >1:. xample> lso# see 'e*omme&ded mi&im%m t$i*F&es i& s$eet 7
1 2 3 :
@= @=
alidatio& list for t$read sele*tio& @es No
%ste&iti*steel Castiro& erriti*steel t$erd%*tilemetals 1 2
3 ;<< 3 .: NA .7 .: ;
@ L (t - t) A (tb - t) (@8 - @) .:
Use of VBA function 6= 6ferriti*t(t) t= :"2 6= ,/0
KC -
If there is thread, Tables Tables 2 and Tab 3 deliver the depth of thread (Note 7) 9able 2.
Pag. 1 of 2
Clculo de espesor de ca!er"a# de acuerdo a ASME B31.3
2.- +imetro exterior de la *aQerRa d& = 2 i& de =
+atos Mat Materia eriall (a* (a*ero ero *arb *arbo& o&o) o) de la *aQe *aQerR rRa a 9ipo de soldad%ra lo&git%di&al (Nota 1) d& =
2
i&
3
2
PresiT& de diseQo
+imetro &omi&al
P=
2
temp =
"
9olera&*ia de *orrosiT&
9C =
1.;
Oilo (iANo)
Oilo =
R
9emperat%ra de diseQo
Mpa
:
°C
;
mm
<
1.-spesor de diseQo por presiT&
3.-sf%erSo admisible para el material = allow
s
tdisB
⋅[ σ ⋅ E + P⋅Y ] ]
(Oo5a 1)
espesor de diseQo por presiT&
sB sf%erSo permitido para el material B fa*tor de *alidad @B *oefi*ie&te de 9abla 3:.1.1
13"
MPa
(Oo5a 3)
(Nota :)
HmmI
P P;/ Dr. Dr. E:2
6 %&a %&a sol solda dad% d%ra ra lo&g lo&git it%d %di& i&al al
,'
/a &orma M 831.3# 9abla -18 e&trega =
(3a )
PB Pr P resiT& i&ter&a de diseQo# ma&omUtri*a deB dimetro exterior de la *aQerRa
(Nota3)
:.- a*tor de *alidad >> para la soldad%ra lo&git%di&al del *aso
tipoB
la e*%a*iT& (3a) de M 831.3 prrafo 3:.1.2
2
(Nota2)
7
l espesor de diseQo por presiT& >t> se *al*%la de a*%erdo a
t dis =
mm
M 831.1#9able -1
Mater ateria ialB lB
P⋅d ext
,/0
1
1
(Oo5a:)
;.- Coefi*ie&te >@> para la e*%a*iT& (3a) 9abla 3:.1.1 debe ser %sada para t ! dA< d= ,/0 mm dA< =
,/0
mm
,/0
HMPaI
M 3:.1.1-3:.2.1# 9abla 3:.1.1. e&trega paraB
HmmI HMPaI H -I H-I
9ipo de materialB 9emperat%raB el sig%ie&te >*oefi*ie&te @> @= .:
(Nota :) "
"
KC (Oo5a;)
& *ol%m&as P a 4# se p%ede& ?er los pasos del *l*%lo 6 las &otas. Para ?er estas *ol%m&as# si est& o*%ltas# $a*er *li*F e& el sig&o >L > L># e& la parte s%perior de la $o5a.
/as &%e?e () *eldas e& amarillo so& los i&p%ts reG%eridos. l Vltimo i&p%t *orrespo&de a la >*Ud%la> G%e debe ser sele**io&ada para G%e el espesor de la *aQerRa sea s%perior al espesor mR&imo reG%erido *al*%lado e& el p%&to ,1.
/ista de ?alida*iT& para sele**iT& de $ilo
Para *$eG%eo# ?er Oo5a 1:. xample er Oo5a 7. 'e*omme&ded mi&im%m t$i*F&ess
,2.- l
Para ?er $o5as es*o&didasB - Cli*F *o& botT& dere*$o sobre *%alG%iera de la le&gWetas de la $o5as - Cli*F em >Mostrar> (o 0&$ide)
,3.-
R No
,1.
9able 1
NP 1A 1A1< 1A 1A" 1A 1A: 3A 3A"
9$readsAi&
1A 1A2 3A 3A: 1 1 1A: 1 1A2 2
1: 1: 11.; 11.; 11.; 11.;
27 27 1" 1"
9$readsAi& 9$readsAi& O (mm) 27 ."1:"32 1" 1.221: 1: 1.;712:: 11.; 1.12"7: "
2.7:;;
4$e& t$read is to be *o&sidered# t$e &%mber of t$reads per i&*$ is obtai&ed from 9able 2 a&d t$e t$read $eig$ from
Pag. 1 of 2
Clculo de espesor de ca!er"a# de acuerdo a ASME B31.3
2.- +imetro exterior de la *aQerRa d& = 2 i& de =
+atos Mat Materia eriall (a* (a*ero ero *arb *arbo& o&o) o) de la *aQe *aQerR rRa a 9ipo de soldad%ra lo&git%di&al (Nota 1) d& =
2
i&
3
2
PresiT& de diseQo
+imetro &omi&al
P=
2
temp =
"
9olera&*ia de *orrosiT&
9C =
1.;
Oilo (iANo)
Oilo =
R
9emperat%ra de diseQo
Mpa
:
°C
;
mm
<
1.-spesor de diseQo por presiT&
3.-sf%erSo admisible para el material = allow
s
tdisB
⋅[ σ ⋅ E + P⋅Y ] ]
(Oo5a 1)
espesor de diseQo por presiT&
sB sf%erSo permitido para el material B fa*tor de *alidad @B *oefi*ie&te de 9abla 3:.1.1
13"
MPa
(Oo5a 3)
(Nota :)
HmmI
P P;/ Dr. Dr. E:2
6 %&a %&a sol solda dad% d%ra ra lo&g lo&git it%d %di& i&al al
,'
/a &orma M 831.3# 9abla -18 e&trega =
(3a )
PB Pr P resiT& i&ter&a de diseQo# ma&omUtri*a deB dimetro exterior de la *aQerRa
(Nota3)
:.- a*tor de *alidad >> para la soldad%ra lo&git%di&al del *aso
tipoB
la e*%a*iT& (3a) de M 831.3 prrafo 3:.1.2
2
(Nota2)
7
l espesor de diseQo por presiT& >t> se *al*%la de a*%erdo a
t dis =
mm
M 831.1#9able -1
Mater ateria ialB lB
P⋅d ext
,/0
1
1
(Oo5a:)
;.- Coefi*ie&te >@> para la e*%a*iT& (3a) 9abla 3:.1.1 debe ser %sada para t ! dA< d= ,/0 mm dA< =
,/0
mm
,/0
HMPaI
M 3:.1.1-3:.2.1# 9abla 3:.1.1. e&trega paraB
HmmI HMPaI H -I H-I
9ipo de materialB 9emperat%raB el sig%ie&te >*oefi*ie&te @> @= .:
(Nota :) "
"
KC (Oo5a;)
& *ol%m&as P a 4# se p%ede& ?er los pasos del *l*%lo 6 las &otas. Para ?er estas *ol%m&as# si est& o*%ltas# $a*er *li*F e& el sig&o >L > L># e& la parte s%perior de la $o5a.
/as &%e?e () *eldas e& amarillo so& los i&p%ts reG%eridos. l Vltimo i&p%t *orrespo&de a la >*Ud%la> G%e debe ser sele**io&ada para G%e el espesor de la *aQerRa sea s%perior al espesor mR&imo reG%erido *al*%lado e& el p%&to ,1.
/ista de ?alida*iT& para sele**iT& de $ilo
Para *$eG%eo# ?er Oo5a 1:. xample er Oo5a 7. 'e*omme&ded mi&im%m t$i*F&ess
,2.- l
Para ?er $o5as es*o&didasB - Cli*F *o& botT& dere*$o sobre *%alG%iera de la le&gWetas de la $o5as - Cli*F em >Mostrar> (o 0&$ide)
,3.-
R No
,1.
Anne$es for Pipe wall %hickness calculation 1
M 831.3 , 33. Press%re desig& of *ompo&e&tes
2
M 831.3. C$apter 1 Part 3. l%id ser?i*e
3
9able -1 M 831.3-22 8asi* allowable stresses i& te&sio&s for metals Carbo& steel pipes a&d t%bes
:
9able -18. M 831.3-22 8asi* *asti&g G%alit6 fa*tors 9able -18. M 831.3-22 8asi* G%alit6 fa*tors for lo&git%di&al weld 5oi&ts i& pipes# t%bes# a&d fitti&gs 5
;
9able 3:.1.1 .M 3:.1.1-3:.2.1
Pag. 1 of 2
Clculo de espesor de ca!er"a# de acuerdo a ASME B31.3
2.- +imetro exterior de la *aQerRa d& = 2 i& de =
+atos Mat Materia eriall (a* (a*ero ero *arb *arbo& o&o) o) de la *aQe *aQerR rRa a 9ipo de soldad%ra lo&git%di&al (Nota 1) d& =
2
i&
3
2
PresiT& de diseQo
+imetro &omi&al
P=
2
temp =
"
9olera&*ia de *orrosiT&
9C =
1.;
Oilo (iANo)
Oilo =
R
9emperat%ra de diseQo
Mpa
:
°C
;
mm
<
1.-spesor de diseQo por presiT&
3.-sf%erSo admisible para el material = allow
s
tdisB
⋅[ σ ⋅ E + P⋅Y ] ]
(Oo5a 1)
espesor de diseQo por presiT&
sB sf%erSo permitido para el material B fa*tor de *alidad @B *oefi*ie&te de 9abla 3:.1.1
13"
MPa
(Oo5a 3)
(Nota :)
HmmI
P P;/ Dr. Dr. E:2
6 %&a %&a sol solda dad% d%ra ra lo&g lo&git it%d %di& i&al al
,'
/a &orma M 831.3# 9abla -18 e&trega =
(3a )
PB Pr P resiT& i&ter&a de diseQo# ma&omUtri*a deB dimetro exterior de la *aQerRa
(Nota3)
:.- a*tor de *alidad >> para la soldad%ra lo&git%di&al del *aso
tipoB
la e*%a*iT& (3a) de M 831.3 prrafo 3:.1.2
2
(Nota2)
7
l espesor de diseQo por presiT& >t> se *al*%la de a*%erdo a
t dis =
mm
M 831.1#9able -1
Mater ateria ialB lB
P⋅d ext
,/0
1
1
(Oo5a:)
;.- Coefi*ie&te >@> para la e*%a*iT& (3a) 9abla 3:.1.1 debe ser %sada para t ! dA< d= ,/0 mm dA< =
,/0
mm
,/0
HMPaI
M 3:.1.1-3:.2.1# 9abla 3:.1.1. e&trega paraB
HmmI HMPaI H -I H-I
9ipo de materialB 9emperat%raB el sig%ie&te >*oefi*ie&te @> @= .:
(Nota :) "
"
KC (Oo5a;)
& *ol%m&as P a 4# se p%ede& ?er los pasos del *l*%lo 6 las &otas. Para ?er estas *ol%m&as# si est& o*%ltas# $a*er *li*F e& el sig&o >L > L># e& la parte s%perior de la $o5a.
/as &%e?e () *eldas e& amarillo so& los i&p%ts reG%eridos. l Vltimo i&p%t *orrespo&de a la >*Ud%la> G%e debe ser sele**io&ada para G%e el espesor de la *aQerRa sea s%perior al espesor mR&imo reG%erido *al*%lado e& el p%&to ,1.
/ista de ?alida*iT& para sele**iT& de $ilo
Para *$eG%eo# ?er Oo5a 1:. xample er Oo5a 7. 'e*omme&ded mi&im%m t$i*F&ess
,2.- l
Para ?er $o5as es*o&didasB - Cli*F *o& botT& dere*$o sobre *%alG%iera de la le&gWetas de la $o5as - Cli*F em >Mostrar> (o 0&$ide)
,3.-
R No
,1.
Anne$es for Pipe wall %hickness calculation 1
M 831.3 , 33. Press%re desig& of *ompo&e&tes
2
M 831.3. C$apter 1 Part 3. l%id ser?i*e
3
9able -1 M 831.3-22 8asi* allowable stresses i& te&sio&s for metals Carbo& steel pipes a&d t%bes
:
9able -18. M 831.3-22 8asi* *asti&g G%alit6 fa*tors 9able -18. M 831.3-22 8asi* G%alit6 fa*tors for lo&git%di&al weld 5oi&ts i& pipes# t%bes# a&d fitti&gs 5
;
9able 3:.1.1 .M 3:.1.1-3:.2.1
Anne$es for Pipe wall %hickness calculation 1
M 831.3 , 33. Press%re desig& of *ompo&e&tes
2
M 831.3. C$apter 1 Part 3. l%id ser?i*e
3
9able -1 M 831.3-22 8asi* allowable stresses i& te&sio&s for metals Carbo& steel pipes a&d t%bes
:
9able -18. M 831.3-22 8asi* *asti&g G%alit6 fa*tors 9able -18. M 831.3-22 8asi* G%alit6 fa*tors for lo&git%di&al weld 5oi&ts i& pipes# t%bes# a&d fitti&gs 5
;
9able 3:.1.1 .M 3:.1.1-3:.2.1 6 *oeffi*ie&t or t ! dA<
<
M 81.2.1 "3 9able 2. 8asi* dime&sio&s o f meri*a& Natio&al ta&dard 9aper Pipe 9$read
7
9M 1<# 9M ;3 a&d P ;/ 9able .- 9olera&*es for 4all 9$i*F&ess Mill tolera&*e
"
'e*omme&datio&s for mi&im%m t$i*F&esses
M 83 83<.1M * *$ed%le A de&tifi*atio& M 83<.1M X M 83<.1M *$ed%le *$ed%le A de&tifi*atio&
1
Corrosio& llowa&*e for for M 831.3 1.3 Pi Pipi& pi&g>
11
ppe ppe&dix M. M. D% D%ide to to *l *lassif6i&g fl fl%id se ser?i*es
12
9M 1<# P ;/ ;/ a&d 9M ;3 e eamless *arbo& steel pipes. Press%re a&d 9emperat%re 'ati&gs. 9able of Maxim%m llowable Press%re (FPa)# for differe&t pipe siSes a&d temperat%res
13
N 81 81<.; <.; - Maxim%m Press. a& a&d 9emp. 'a 'ati&gs No&-s$o*F press%re (psig) a&d temperat%re rati&gs for steel pipe fla&ges a&d fla&ged fitti&gs
1:
ample wall t$i*F&ess *al*%latio&
1;
Press ress%r %re e rati ati&gs &gs a&d a&d maxim axim%m %m all allowab owablle pres press% s%rres 'efere&*es
cjc, Rev. 23.04.2016
ASME B31.3 - 2002 - 1
Ferritic ste
Astenitic !ast iron "heet # !oe$cient A"&' 34 Table 341 For t + dt +. % .
A"&' /313 0 33 ressre desi
A"&' /313, 03411, ' (2)
'ation (3a) of A"&' /313 pararaph 3412
tB PB dextB s = B @B
pipe wll t$i*F&ess (meas%re or mi&im%m per p%r*$ase spe*ifi*atio& i&ter&al desig& press%re ga%ge HPaI xterior pipe diameter HmmI tress ?al%e for materialfrom 9able -1 HPaI G%alit6 fa*tor from 9able -1 or -18 *oeffi*ie&t from 9able 3:.1.1 # ?alid fo t ! dext A < Y =
t =
d int + 2⋅c d ext + d int + 2⋅c P⋅d ext
⋅[ σ ⋅ E + P⋅Y ] ⟩ or P⋅ ( d int + 2⋅c ) ⟩ t = ⋅[ σ ⋅ E − P⋅( 1 − Y ) ] 2 ¿ } ¿ t < ( d ext / 6 ) 2
t Y dext A <
(3a)
( 3 b)
⋅
+ ⋅ ⟩ or P⋅ d ( int + 2⋅c ) ⟩ t = ⋅[ σ ⋅ E − P⋅( 1 − Y ) ] 2 ¿ } ¿ < t ( d ext / 6 )
l
teel
% 1*3421 1
452 4
6!
σ ⋅
( 3 b)
n of coponentes
A"&' code for pressre pipin, /31 A"&' /313*22 !hapter 1 "cope and e8nitions
F"!
&aterial . 9M ;3
T:pe
F
1
2
3
AI #; A"T& A #3, T:pe F A"T& A 134 not ade fro A"T& 25# plate
%a&le A'1. Basic alowa&le stresses in tension for (etals )Page 1*+ ' 1,1- de ASME B31.3'//
Allowable stress as function of temperature [MPa]
10 1 "pec ? @rade 1
2 &aterial 2
3 35 3
4 93 4
# 149 #
24 -
7 2- 7
5 315
9 343 9
T'&'
! 1 11 371 399 1 11
12 427 12
13 4#4 13
14 452 14
1# #1 1#
1#35 1-
1
A 1- @r A
113
113
113
113
113
12
1
993
735
-41
#4#
445
31
172
2
A 1- @r /
1379
1379
1379
1379
133
1193
1172
1135
59-
74#
-
445
31
172
3
A 1- @r !
1--
1--
1--
1#79
1459
13#5
1335
1324
12
527
NA
NA
NA
NA
4
A 134 @r
A 25# @r A
134
17
979
94#
59-
514
5
793
71
-21
#35
4##
NA
NA
#
A 134 @r
A 25# @r /
11#1
1131
113
1-2
17
917
93
59-
772
--2
##5
445
NA
NA
25# @r /
12-2
12-2
122
115-
1117
12
1
993
527
73
#72
445
NA
NA
- A 134 @r 7
A 13# @r A
113
113
113
113
113
12
1
993
735
-41
#4#
445
31
172
5
A 333 @r -
1379
1379
1379
1379
133
1193
1172
1135
59-
74#
-
445
31
172
9
A 334 @r -
1379
1379
1379
1379
133
1193
1172
1135
59-
74#
-
445
31
172
113
113
113
113
113
12
1
993
735
-41
#4#
445
31
172
1379
1379
1379
1379
133
1193
1172
1135
59-
74#
-
445
31
172
113
113
113
113
113
NA
NA
NA
NA
NA
NA
NA
NA
NA
13 A #3 @r A
113
113
113
113
113
12
1
993
735
-41
#4#
445
31
172
14 A #3 @r /
1379
1379
1379
1379
133
1193
1172
1135
59-
74#
-
445
31
172
1# A#; @r A
113
113
113
113
113
12
1
993
735
-41
#4#
445
31
172
1 A 3-9 @r FA 11 A 3-9 @r F/ 12 A #3 @r @r A
T:pe F
1- AI#; @r A2#
/tt eld
134
25-13
1-#2
9#1
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
17 AI#; @r A2#
"ls
134
25-13
1-#2
9#1
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
15 AI#; @r /
1379
1379
1379
1379
133
1193
1172
1135
59-
74#
-
445
31
172
19 AI#; @r B42
1379
1379
1379
1379
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2 AI#; @r B4-
1445
1445
1445
1445
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
21 AI#; @r B#2
1#17
1#17
1#17
1#17
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
22 AI#; @r B#1
1-34 3
1-34 4
1-34 #
1-34 -
NA 7
NA 5
NA 9
NA 1
NA 11
NA 12
NA 13
NA 14
NA 1#
NA 1-
427
4#4
452
#1
2
Table A*1 /asic aloable stresses in tension for etals (ae 1#7 * 1-1) de A"&' /313*22 ASME B31.3-2002
able A-1. Basic alowable stresses in tension for metals !Pa"e 1#$ - 1%1&
Allowable stress as function of temperature [MPa] &aterial T:pe F
/tt eld "ls
A 25# @r A A 25# @r A 25# @r / A 25# @r / A 25# @r / A #1- @r - A #1# @r - A #1# @r -1 A #1- @r -2 A #1- @r -# A #1# @r -# A #1# @r -# A #1- @r -# A #1- @< 7 A #1# @< 7 A #1# @< 7 A #1- @< 7
"pec A #3 A #3 A #3 A 1A1A1A 13# A 333 A 334 A 3-9 A 3-9 A 351 AI #; AI #; AI #; AI #; AI #; AI #; AI #; AI #; A 134 A -72 A 134 A -72 A 134 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72
@rade @r A A / A / ! A FA F/ %3# A A2# A2# / B42 B4B#2 B#C A4# A # !!- !5- /- !- !!-# !5-# /-# !-# !!7 !/7 /7 !7
35 113 113 1379 113 1379 1-113 1379 1379 113 1379 1379 113 134 134 1379 1379 1445 1#17 1-34 134 134 11#1 11#1 12-2 1379 1379 1379 1379 1491491491491#93 1#93 1#93 1#93
93 113 113 1379 113 1379 1-113 1379 1379 113 1379 1379 113 25-13 25-13 1379 1379 1445 1#17 1-34 17 17 1131 1131 12-2 1344 1344 1344 1344 14-9 14-9 14-9 14-9 1##1 1##1 1##1 1##1
149 113 113 1379 113 1379 1-113 1379 1379 113 1379 1379 113 1-#2 1-#2 1379 1379 1445 1#17 1-34 979 979 113 113 122 13-# 13-# 13-# 13-# 1427 1427 1427 1427 149149149149-
24 113 113 1379 113 1379 1#79 113 1379 1379 113 1379 1379 113 9#1 9#1 1379 1379 1445 1#17 1-34 94# 94# 1-2 1-2 11512-2 12-2 12-2 12-2 1379 1379 1379 1379 1413 1413 1413 1413
T'&'! 371 399
2- 113 113 133 113 133 1459 113 133 133 113 133 133 113
31-
343
12 1193 12 1193 13#5 12 1193 1193 12 1193 1193 12
1 1172 1 1172 1335 1 1172 1172 1 1172 1172 1
993 1135 993 1135 1324 993 1135 1135 993 1135 1135 993
735 59735 5912 735 5959735 5959735
-41 74# -41 74# 527 -41 74# 74# -41 74# 74# -41
#4# - #4# -
445 445 445 445
31 31 31 31
#4# - - #4# - - #4#
445 445 445 445 445 445 445
31 31 31 31 31 31 31
133
1193
1172
1135
59-
74#
-
445
31
595917 17 1117 1193 1193 1193 1193 133 133 133 133 33#5 33#5 33#5 33#5
514 514 917 917 12 159 159 159 159 1193 1193 1193 1193 12-9 12-9 12-9 12-9
5 5 93 93 1 1-9 1-9 1-9 1-9 1172 1172 1172 1172 12-2 12-2 12-2 12-2
793 793 5959993 1-2 1-2 1-2 1-2 11#5 11#5 11#5 11#5 12 12 12 12
71 71 772 772 527 595959599#5 9#5 9#5 9#5 527 527 527 527
-21 -21 --2 --2 73 74# 74# 74# 74# 75757575-41 -41 -41 -41
#35 #35 ##5 ##5 #72 - - - - -21 -21 -21 -21 445 445 445 445
4## 445 445 445 445 445 445 445 445 445 445 445 445 31 31 31 31
31 31 31 31 31 31 31 31 31 31 172 172 172 172
Table A*1 /asic aloable stresses in tension for etals (ae 1#7 * 1-1) de A"&' /313*22 ASME B31.3-2002
able A-1. Basic alowable stresses in tension for metals !Pa"e 1#$ - 1%1&
Allowable stress as function of temperature [MPa] &aterial T:pe F
"pec A #3 A #3 A #3 A 1A1A1A 13# A 333 A 334 A 3-9 A 3-9 A 351 AI #; AI #; AI #; AI #; AI #; AI #; AI #; AI #; A 134 A -72 A 134 A -72 A 134 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72
/tt eld "ls
A 25# @r A A 25# @r A 25# @r / A 25# @r / A 25# @r / A #1- @r - A #1# @r - A #1# @r -1 A #1- @r -2 A #1- @r -# A #1# @r -# A #1# @r -# A #1- @r -# A #1- @< 7 A #1# @< 7 A #1# @< 7 A #1- @< 7
ASME B31.3-2002
@rade @r A A / A / ! A FA F/ %3# A A2# A2# / B42 B4B#2 B#C A4# A # !!- !5- /- !- !!-# !5-# /-# !-# !!7 !/7 /7 !7
35 113 113 1379 113 1379 1-113 1379 1379 113 1379 1379 113 134 134 1379 1379 1445 1#17 1-34 134 134 11#1 11#1 12-2 1379 1379 1379 1379 1491491491491#93 1#93 1#93 1#93
93 113 113 1379 113 1379 1-113 1379 1379 113 1379 1379 113 25-13 25-13 1379 1379 1445 1#17 1-34 17 17 1131 1131 12-2 1344 1344 1344 1344 14-9 14-9 14-9 14-9 1##1 1##1 1##1 1##1
149 113 113 1379 113 1379 1-113 1379 1379 113 1379 1379 113 1-#2 1-#2 1379 1379 1445 1#17 1-34 979 979 113 113 122 13-# 13-# 13-# 13-# 1427 1427 1427 1427 149149149149-
24 113 113 1379 113 1379 1#79 113 1379 1379 113 1379 1379 113 9#1 9#1 1379 1379 1445 1#17 1-34 94# 94# 1-2 1-2 11512-2 12-2 12-2 12-2 1379 1379 1379 1379 1413 1413 1413 1413
T'&'! 371 399
2- 113 113 133 113 133 1459 113 133 133 113 133 133 113
31-
343
427
4#4
452
#1
12 1193 12 1193 13#5 12 1193 1193 12 1193 1193 12
1 1172 1 1172 1335 1 1172 1172 1 1172 1172 1
993 1135 993 1135 1324 993 1135 1135 993 1135 1135 993
735 59735 5912 735 5959735 5959735
-41 74# -41 74# 527 -41 74# 74# -41 74# 74# -41
#4# - #4# -
445 445 445 445
31 31 31 31
#4# - - #4# - - #4#
445 445 445 445 445 445 445
31 31 31 31 31 31 31
133
1193
1172
1135
59-
74#
-
445
31
595917 17 1117 1193 1193 1193 1193 133 133 133 133 33#5 33#5 33#5 33#5
514 514 917 917 12 159 159 159 159 1193 1193 1193 1193 12-9 12-9 12-9 12-9
5 5 93 93 1 1-9 1-9 1-9 1-9 1172 1172 1172 1172 12-2 12-2 12-2 12-2
793 793 5959993 1-2 1-2 1-2 1-2 11#5 11#5 11#5 11#5 12 12 12 12
71 71 772 772 527 595959599#5 9#5 9#5 9#5 527 527 527 527
-21 -21 --2 --2 73 74# 74# 74# 74# 75757575-41 -41 -41 -41
#35 #35 ##5 ##5 #72 - - - - -21 -21 -21 -21 445 445 445 445
4## 445 445 445 445 445 445 445 445 445 445 445 445 31 31 31 31
31 31 31 31 31 31 31 31 31 31 172 172 172 172
able A-1. Basic alowable stresses in tension for metals !Pa"e 1#$ - 1%1&
Allowable stress as function of temperature ['si] 1 Dsi .
&aterial T:pe F
/tt eld "ls
A A A A A A A A A A A A A A A A
25# @r A 25# @r A 25# @r / 25# @r / 25# @r / #1- @r - #1# @r - #1# @r -1 #1- @r -2 #1- @r -# #1# @r -# #1# @r -# #1- @r -# #1- @< 7 #1# @< 7 #1# @< 7 #1- @< 7
-5947-
"pec A #3 A #3 A #3 A 1A1A1A 13# A 333 A 334 A 3-9 A 3-9 A 351 AI #; AI #; AI #; AI #; AI #; AI #; AI #; AI #; A 134 A -72 A 134 A -72 A 134 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72
&pa
@rade @r A A / A / ! A FA F/ %3# A A2# A2# / B42 B4B#2 B#C A4# A # !!- !5- /- !- !!-# !5-# /-# !-# !!7 !/7 /7 !7
35
93
149
1 112 12 233 12 2 12 2 11# 1# 2 2 21 22 237 1# 1# 1-7 1-7 153 2 2 2 2 217 217 217 217 231 231 231 231
2 112 12 233 12 2 12 2 141# 41# 2 2 21 22 237 14141-4 1-4 153 19# 19# 19# 19# 213 213 213 213 22# 22# 22# 22#
112 12 233 12 2 12 2 11#4# 1#4# 2 2 21 22 237 142 142 11177 195 195 195 195 27 27 27 27 217 217 217 217
3
427
4#4
452
#1
-#
T'&'! 371 399 Teperatre >F 7 7#
5
5#
9
9#
14# 17 14# 17 194 14# 17 17 14# 17 17 14#
144 1-# 144 1-# 192 144 1-# 1-# 144 1-# 1-# 144
17 13 17 13 145 17 13 13 17 13 13 17
93 15 93 15 12 93 15 15 93 15 15 93
79 57 79 57 * 79 57 57 79 57 57 79
-# -# -# -#
4# 4# 4# 4#
-# -# -# -# -# -# -#
4# 4# 4# 4# 4# 4# 4#
173
17
1-#
13
15
57
-#
4#
115 115 133 133 145 1#5 1#5 1#5 1#5 173 173 173 173 154 154 154 154
1111131 131 14# 1## 1## 1## 1## 17 17 17 17 153 153 153 153
11# 11# 13 13 144 1#4 1#4 1#4 1#4 1-5 1-5 1-5 1-5 145 145 145 145
13 13 112 112 12 13 13 13 13 139 139 139 139 12 12 12 12
9 9 9912 15 15 15 15 114 114 114 114 93 93 93 93
75 75 51 51 53 57 57 57 57 9 9 9 9 -# -# -# -#
--# -# -# -# -# -# -# -# -# -# -# -# 4# 4# 4# 4#
4# * 4# * 4# 4# 4# 4# 4# 4# 4# 4# 2# 2# 2# 2#
24
2-
31-
343
4 112 12 229 12 2 12 2 1135 135 2 2 21 22 237 137 137 1#4 1#4 172 153 153 153 153 2 2 2 2 2# 2# 2# 2#
# 11159 1159 211159 159 1159 159 1c * 159 v
- * 145 173 145 173 197 145 173 173 145 173 173 145
13 13 14141-2 173 173 173 173 159 159 159 159 457 457 457 457
ASME B31.3-2002
able A-1. Basic alowable stresses in tension for metals !Pa"e 1#$ - 1%1&
Allowable stress as function of temperature ['si] 1 Dsi .
&aterial T:pe F
/tt eld "ls
A A A A A A A A A A A A A A A A
25# @r A 25# @r A 25# @r / 25# @r / 25# @r / #1- @r - #1# @r - #1# @r -1 #1- @r -2 #1- @r -# #1# @r -# #1# @r -# #1- @r -# #1- @< 7 #1# @< 7 #1# @< 7 #1- @< 7
-5947-
"pec A #3 A #3 A #3 A 1A1A1A 13# A 333 A 334 A 3-9 A 3-9 A 351 AI #; AI #; AI #; AI #; AI #; AI #; AI #; AI #; A 134 A -72 A 134 A -72 A 134 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72 A -71 A -71 A -72 A -72
&pa
@rade @r A A / A / ! A FA F/ %3# A A2# A2# / B42 B4B#2 B#C A4# A # !!- !5- /- !- !!-# !5-# /-# !-# !!7 !/7 /7 !7
35
93
149
1 112 12 233 12 2 12 2 11# 1# 2 2 21 22 237 1# 1# 1-7 1-7 153 2 2 2 2 217 217 217 217 231 231 231 231
2 112 12 233 12 2 12 2 141# 41# 2 2 21 22 237 14141-4 1-4 153 19# 19# 19# 19# 213 213 213 213 22# 22# 22# 22#
112 12 233 12 2 12 2 11#4# 1#4# 2 2 21 22 237 142 142 11177 195 195 195 195 27 27 27 27 217 217 217 217
3
427
4#4
452
#1
-#
T'&'! 371 399 Teperatre >F 7 7#
5
5#
9
9#
14# 17 14# 17 194 14# 17 17 14# 17 17 14#
144 1-# 144 1-# 192 144 1-# 1-# 144 1-# 1-# 144
17 13 17 13 145 17 13 13 17 13 13 17
93 15 93 15 12 93 15 15 93 15 15 93
79 57 79 57 * 79 57 57 79 57 57 79
-# -# -# -#
4# 4# 4# 4#
-# -# -# -# -# -# -#
4# 4# 4# 4# 4# 4# 4#
173
17
1-#
13
15
57
-#
4#
115 115 133 133 145 1#5 1#5 1#5 1#5 173 173 173 173 154 154 154 154
1111131 131 14# 1## 1## 1## 1## 17 17 17 17 153 153 153 153
11# 11# 13 13 144 1#4 1#4 1#4 1#4 1-5 1-5 1-5 1-5 145 145 145 145
13 13 112 112 12 13 13 13 13 139 139 139 139 12 12 12 12
9 9 9912 15 15 15 15 114 114 114 114 93 93 93 93
75 75 51 51 53 57 57 57 57 9 9 9 9 -# -# -# -#
--# -# -# -# -# -# -# -# -# -# -# -# 4# 4# 4# 4#
4# * 4# * 4# 4# 4# 4# 4# 4# 4# 4# 2# 2# 2# 2#
24
2-
31-
343
4 112 12 229 12 2 12 2 1135 135 2 2 21 22 237 137 137 1#4 1#4 172 153 153 153 153 2 2 2 2 2# 2# 2# 2#
# 11159 1159 211159 159 1159 159 1c * 159 v
- * 145 173 145 173 197 145 173 173 145 173 173 145
13 13 14141-2 173 173 173 173 159 159 159 159 457 457 457 457
1-
Allowable stress as function of temperature [MPa] T'&'!
Allowable stress as function of temperature [MPa]
11 "pec ? @rade 1 A 1- @r A
17 #-17
2 &aterial 2
15 #93 15
11
-9
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
11
-9
NA
NA
NA
NA
11
-9
NA
NA
NA
NA
11
-9
NA
NA
11
-9
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA 17
NA 15
3 35 3 113
4 93 4 113
# 149 # 113
24 113
7 2- 7 113
5 315 12
9 343 9 1
T'&'! 1 11 371 399 1 11 993 735
12 427 12 -41
13 4#4 13 #4#
14 452 14 445
1# #1 1# 31
1#35 1172
17 #-17
15 #93 15
11
-9
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
11
-9
NA
NA
NA
NA
11
-9
NA
NA
NA
NA
11
-9
NA
NA
11
-9
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA 17
NA 15
#35
#--
#93
172 172 172 172
11
-9
11
-9
172 172 172 172 172 172 172
11
-9
11
-9
11
-9
11 11
-9
11 11 11
-9 -9 -9
11 11 11
-9 -9 -9
172
172 172 172 172 172 172 172 172 172 172 11 11 11
-9 -9 -9
-9
#35
#--
#93
172 172 172 172
11
-9
11
-9
172 172 172 172 172 172 172
11
-9
11
-9
11
-9
11 11
-9
11 11 11
-9 -9 -9
11 11 11
-9 -9 -9
172
172 172 172 172 172 172 172 172 172 172
-9
11 11 11
-9 -9 -9
#35
#--
#93
1
1#
11
2# 2# 2# 2#
1* 1*
1
2# 2# 2# 2# 2# 2# 2#
1* * 1* * 1-
1
2#
*
2#
1-
1
2#
1-
1
2# 2# 2# 2# 2# 2# 2# 2# * 111-
* 111* 1111 1 1
1
1
1
1 1 1 1 1 1
#35
#--
#93
1
1#
11
2# 2# 2# 2#
1* 1*
1
2# 2# 2# 2# 2# 2# 2#
1* * 1* * 1-
1
2#
*
2#
1-
1
2#
1-
1
2# 2# 2# 2# 2# 2# 2# 2# * 111-
* 111* 111-
1
1
1
1 1 1 1 1 1
1 1 1
A"&' /313*22 Table Table A*1 /asic aloable stresses stresses in tensio 35
&aterial A 25# @r A A 25# @r A
"pec A 134 A -72
@rade C A4#
to 1 1# 1#
/tt eld sls
AI #; AI #;
A2# A2#
1# 1#
A #3
@r @r A
1-
A #3 A 1A 13# A 3-9 AI #;
A A A FA A
11111-
A 25# @r / A 25# @r / 25# @r /
A 134 A -72 A 134
A #
1 -7 1-7 153
A A A A
A A A A
!!- !5- /- !-
2 2 2 2
/ / F/ %3# /
2 2 2 2 2 2 2
T:pe T:pe F
#1#1# #1# #1-
@r @r @r @r
- - -1 -2
-71 -71 -72 -72
A #3 A1A 333 A 334 A 3-9 A 351 AI #;
A"&' /313*22 Table Table A*1 /asic aloable stresses stresses in tensio 35
&aterial A 25# @r A A 25# @r A
"pec A 134 A -72
@rade C A4#
to 1 1# 1#
/tt eld sls
AI #; AI #;
A2# A2#
1# 1#
A #3
@r @r A
1-
A #3 A 1A 13# A 3-9 AI #;
A A A FA A
11111-
A 25# @r / A 25# @r / 25# @r /
A 134 A -72 A 134
A #
1 -7 1-7 153
A A A A
A A A A
!!- !5- /- !-
2 2 2 2
A #3 A1A 333 A 334 A 3-9 A 351 AI #;
/ / F/ %3# /
2 2 2 2 2 2 2
AI AI AI AI
B42 B4B#2 B#-
T:pe T:pe F
#1#1# #1# #1-
@r @r @r @r
- - -1 -2
-71 -71 -72 -72
1
A A A A
#1#1# #1# #1-
@r @r @r @r
-# -# -# -#
A A A A
#1#1# #1# #1-
@< @< @< @<
7 7 7 7
#; #; #; #;
2 21 22 237
A A A A
-71 -71 -72 -72
!!-# !5-# /-# !-#
1 217 217 2 17 217
A A A A
-71 -71 -72 -72
!!7 !/7 /7 !7
1 231 2 31 231 231
A1-
!
2 33
1 AI AI AI AI
A A A A
#1#1# #1# #1-
@r @r @r @r
-# -# -# -#
A A A A
#1#1# #1# #1-
@< @< @< @<
7 7 7 7
#; #; #; #;
B42 B4B#2 B#-
2 21 22 237
A A A A
-71 -71 -72 -72
!!-# !5-# /-# !-#
1 217 217 2 17 217
A A A A
-71 -71 -72 -72
!!7 !/7 /7 !7
1 231 2 31 231 231
A1-
AI AI AI AI
#; #; #; #;
!
B- B-# B7 B5
2 33
2# 2#7 273 3
AI AI AI AI
#; #; #; #;
B- B-# B7 B5
2# 2#7 273 3
17 #-17 11
15 #93 15 -9
A 1A 134 A 13# A 139 A 179 A 333 A 334 A 3-9 A#3 AI#;
abla factor E !able A-1B& ' factor for a iven aterial and eldin t:pe Eeldi "ealess pipe 'lectric resistance elded pipe 'lectric fsion elded pipe, dobl Frnace btt elded " '
1
2
!oln
2
3
4
#
Eeldin t:pe
!oln nb
alit: factor for lonitdinal eld "ealess pipe 'lecric
&p%t
%tp%t
" '
1 2 3 4
Eeldin t:pe fro sheet Eall thic
Inpt
Gtpt H 1 2 3 4 #
(2:=13#1#(N+(2:=1:)#2#(N+(2:=1;)#3#(N+(2:=1<#:)) !oln . 2 %tp%t 1
Material Col%m& -fa*tor
P;/ 2 1
;GGJ=(;34,K4* Tabla A*1/KLJ12G21,K4* Tabla A*1/KL;2 !oln
t:pe
btt, straiht or spiral sea
J12G21
er
))
3H1,FA;"')
1 2 3 4 # 7 5 9 1
!oe$cient For t + d-
(BA funct t. :. :.
t +. % .
A"&' 3411*3421 Table 3411
ion )*ferritic 452 6! :MferriticMt(I24) 0A;='L *
452 4
6! *
t. :. :.
496! :MferriticMt(I24) 0A;='L *
t. :. :.
#1 :MferriticMt( 0A;='L
6! I24) *
H
A"&' /121 53 Table 2 /asic diensions of Aerican Nation
rea+ ,ept ,
A"&' /121*1953
abla 2 For a noinal diaete Table 2 ives
2 11.#
abla 1 ara 11# Table 2 ives a eiht of "harp T . 7#31 T . 191 Table 2 N" Threadsin 1127 15 27 14 15 35 15 12 14 34 14 1 11# 1 14 11# 1 12 11# 2 11# 2 12 5 3 5 3 12 5 4 5 # 5
in Threads i
Threads i Thread in Table 1 Threadsin 27 15 14 11# 5
5 1 12 14 115 2 24
5 5 5 5 5 5 5 5 5
eiht of "harp Thread . 7#31 in . 191
eiht of "harp Thread
. .
Table 1 Threadsin 27 15 14 11# 5
152# 27#
in
() (in) 514532 325 1221994 4511 1#71244 -151912574 7#31 2749## 152#
l "tandard Taper ipe Thread
() (in) 514532 325 1221994 4511 1#71244 -151912574 7#31 2749## 152#
A"T& A1-
&ini all thicDness
ASM A#3
AP/ #
A"T& A11*57# 12# 12#
O
&ill tolerance for A 1&T .
12#
O
A"T& A 1A"T& A #3 AI #;
A"T& A 1-, A"T& A #3 and AI #;
Table 9* Tolerances for Eall ThicDness Tolerance in percent of speci8ed thicDness &ill tolerance &T . 12#
O
A #3
12# O
"iPe (inches) 12Q 34Q 1Q 1 12Q 2Q 3Q 4Q -Q 5Q 1Q 12Q 14Q 1-Q 15Q 2Q 22Q 24Q 2-Q 25Q 3Q 3-Q
3.- EMME4,A/4S 5 M/4/M6M 7/84ESSES AB4 SEE AP/ P19E PAE /4. AP/ P19E 1.#mm A &in "ch &in ThD &in "ch &in ThD "ch 1- 475 "ch 5 or B" 373 "ch 1- ##"ch 5 or B" 391 "ch 5 4## "ch 5 or B" 4## "ch 5 #5 "ch 5 or B" #5 "ch 5 ##4 "ch 5 or B" ##4 "ch 5 7-2 "ch 5 or B" 7-2 "ch 4 or "T -2 "ch 4 or "T 711 "ch 2 -3# "ch 2 -3# "ch 2 -3# "ch 2 792 "ch 2 792 "ch 2 9#3 "ch 2 or "T 9#3 "ch 2 or "T -3# "ch 2 or "T 9#3 "ch 2 or B" 127 "ch 2 or B" 127 "ch 2 or B" 127 "ch 2 or B" 127
SA/4ESS SEE PAE &in "ch "ch 5" "ch 5" "ch 5" "ch 5" "ch 5" "ch 4" "ch 4" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1" "ch 1 "ch 1 "ch 1 "ch 1
&in ThD 373 391 4## #5 ##4 7-2 -2 711 37419 4#7 475 475 475 ##4 -3# -3# 792 792 792 792
&echanical "trenth
ASME B3%.10M S7E,6E : /,E4/5/A/4 Si;e 12Q 34Q 1Q 1#Q 2Q 3Q 4Q -Q 5Q 1Q 12Q 14Q 1-Q 15Q 2Q 22Q 24Q 2-Q 25Q 3Q 32Q 34Q 3-Q
+e?t 213 2-7 334 453 -3 559 1143 1-53 2191 273 3235 3##4-4 4#7 #5 ##9 -1 -- 711 7-2 513 5-4 914
Sc # 1.%# 1.%# 1.%# 1.%# 1.%# 2.11 2.11 2.$$ 2.$$ 3.9 3.>% 3.>% 9.1> 9.1> 9.$< 475 #.#9 %.3#
Sc 10 2.11 2.11 2.$$ 2.$$ 2.$$ 3.0# 3.0# 3.9 3.$% 9.1> 9.#$ %.3# %.3# %.3# %.3# %.3# %.3# $.>2 $.>2 $.>2 $.>2 $.>2 $.>2
Sc 20 %.3# %.3# %.3# $.>2 $.>2 $.>2 >.#3 >.#3 >.#3 12.$ 12.$ 12.$ 12.$ 12.$ 12.$
Sc 30 2.91 2.91 2.> 3.1< 3.1< 9.$< 9.$< $.09 $.< <.3< >.#3 >.#3 11.13 12.$ 12.$ 19.2$ 1#55 1#.<< 1#.<< 1#.<< 1#.<<
Sc 90 2.$$ 2.<$ 3.3< 3.%< 3.>1 #.9> %.02 $.11 <.1< >.2$ 10.31 11.13 12.$ 19.2$ 1#.0> 1$.9< 1$.9< 1$.9< 1>.0#
Sc %0 10.31 12.$ 19.2$ 1#.0> 1%.%% 1>.0# 20.%2 22.23 29.%1
Sc <0 3.$3 3.>1 9.## #.0< #.#9 $.%2 <.#% 10.>$ 12.$ 1#.0> 1$.9< 1>.0# 21.99 23.<3 2%.1> 2<.#< 30.>%
Sc 100 1#.0> 1<.2% 21.99 23.<3 2%.1> 2>.3% 32.#9 39.>3 3<.<>
Sc 120 11.13 19.2$ 1<.2% 21.99 2#.9 2$.$> 30.>% 39.>3 3<.1 91.2< 9%.02
Sc 190 20.%2 2#.9 2<.#< 31.$# 3%.#3 3>.%$ 99.9# 9$.%3 #2.3$
Sc 1%0 9.$< #.#% %.3# $.19 <.$9 11.13 13.9> 1<.2% 23.01 2<.#< 33.32 3#.$1 90.9> 9#.29 #0.01 #3.>< #>.#9
S, 2.$$ 2.<$ 3.3< 3.%< 3.>1 #.9> %.02 $.11 <.1< >.2$ >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3
=S 3.$3 3.>1 9.## #.0< #.#9 $.%2 <.#% 10.>$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$
==S $.9$ $.<2 >.0> 10.1# 11.0$ 1#.29 1$.12 21.># 22.23 2#.9 2#.9
ASME B3%.10M S7E,6E : /,E4/5/A/4 Si;e 12Q 34Q 1Q 1#Q 2Q 3Q 4Q -Q 5Q 1Q 12Q 14Q 1-Q 15Q 2Q 22Q 24Q 2-Q 25Q 3Q 32Q 34Q 3-Q
+e?t 213 2-7 334 453 -3 559 1143 1-53 2191 273 3235 3##4-4 4#7 #5 ##9 -1 -- 711 7-2 513 5-4 914
Sc # 1.%# 1.%# 1.%# 1.%# 1.%# 2.11 2.11 2.$$ 2.$$ 3.9 3.>% 3.>% 9.1> 9.1> 9.$< 475 #.#9 %.3#
Sc 10 2.11 2.11 2.$$ 2.$$ 2.$$ 3.0# 3.0# 3.9 3.$% 9.1> 9.#$ %.3# %.3# %.3# %.3# %.3# %.3# $.>2 $.>2 $.>2 $.>2 $.>2 $.>2
Sc 20 %.3# %.3# %.3# $.>2 $.>2 $.>2 >.#3 >.#3 >.#3 12.$ 12.$ 12.$ 12.$ 12.$ 12.$
Sc 30 2.91 2.91 2.> 3.1< 3.1< 9.$< 9.$< $.09 $.< <.3< >.#3 >.#3 11.13 12.$ 12.$ 19.2$ 1#55 1#.<< 1#.<< 1#.<< 1#.<<
Sc 90 2.$$ 2.<$ 3.3< 3.%< 3.>1 #.9> %.02 $.11 <.1< >.2$ 10.31 11.13 12.$ 19.2$ 1#.0> 1$.9< 1$.9< 1$.9< 1>.0#
Sc %0 10.31 12.$ 19.2$ 1#.0> 1%.%% 1>.0# 20.%2 22.23 29.%1
Sc <0 3.$3 3.>1 9.## #.0< #.#9 $.%2 <.#% 10.>$ 12.$ 1#.0> 1$.9< 1>.0# 21.99 23.<3 2%.1> 2<.#< 30.>%
Sc 100 1#.0> 1<.2% 21.99 23.<3 2%.1> 2>.3% 32.#9 39.>3 3<.<>
Sc 120 11.13 19.2$ 1<.2% 21.99 2#.9 2$.$> 30.>% 39.>3 3<.1 91.2< 9%.02
Sc 190 20.%2 2#.9 2<.#< 31.$# 3%.#3 3>.%$ 99.9# 9$.%3 #2.3$
Sc 1%0 9.$< #.#% %.3# $.19 <.$9 11.13 13.9> 1<.2% 23.01 2<.#< 33.32 3#.$1 90.9> 9#.29 #0.01 #3.>< #>.#9
1. Corrosion Allowance for ASME B31.3 Piping
S, 2.$$ 2.<$ 3.3< 3.%< 3.>1 #.9> %.02 $.11 <.1< >.2$ >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3 >.#3
. 2esign
"Per Code, I have calculated a minimum pressure design thickness of
soe -Q "ch 5, A"T& A*33#, *11 ipin o do :o arrive at a 8re to allo for corrosion alloance A corrosion alloance of -3Q (11-Q) is t:pical, bt is there a forla or table to provide this nberR oes a andator: corrosion alloance have to be 8red in to satisf: the !odeRQ !A . -3 in !A . 1-
B31.3 does not stipulate a corrosion
alloance (!A) !orrosion alloances are norall: established b: the end ser and are soehat based on personal preferences and indstr: tradition -2Q for pipin is a coon !AS hoever, :o are free to set hatever corrosion alloances :o ish, nless a state or local aenc: has adopted and sperceded /313 To specif: the pipe, add the !A to the ini desin thicDness and select a pipe schedle that is eal to or reater than the &in H !A
=S 3.$3 3.>1 9.## #.0< #.#9 $.%2 <.#% 10.>$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$ 12.$
==S $.9$ $.<2 >.0> 10.1# 11.0$ 1#.29 1$.12 21.># 22.23 2#.9 2#.9
1. Corrosion Allowance for ASME B31.3 Piping
. 2esign
"Per Code, I have calculated a minimum pressure design thickness of
soe -Q "ch 5, A"T& A*33#, *11 ipin o do :o arrive at a 8re to allo for corrosion alloance A corrosion alloance of -3Q (11-Q) is t:pical, bt is there a forla or table to provide this nberR oes a andator: corrosion alloance have to be 8red in to satisf: the !odeRQ !A . -3 in !A . 1-
B31.3 does not stipulate a corrosion
alloance (!A) !orrosion alloances are norall: established b: the end ser and are soehat based on personal preferences and indstr: tradition -2Q for pipin is a coon !AS hoever, :o are free to set hatever corrosion alloances :o ish, nless a state or local aenc: has adopted and sperceded /313 To specif: the pipe, add the !A to the ini desin thicDness and select a pipe schedle that is eal to or reater than the &in H !A
Corrosion Allowance
The corrosion alloance shold be based on the reired service life, acid conce In eneral, the roof of a storae tanD shold be desined ith a ini 3 httpslphric*acidcotechanal"toraestoraetanDsht0!orrosion
pressure and te(perature
ntration, teperatre, eoraphic location and pon hether or not anodic protection or an i corrosion alloance The shell and tanD botto shold have a ini of - corrosion O2Alloance
nternal protective coatin is installed lloance
1
AppendiU & @ide to classif:in Vid services
httpenineerintoolboUcoast*steel*pipes*pressre*teperatre*4M7 A"T& A1-, AI #; and A"T& A #3 "ealess carbon steel pipes ressre and Te
ASTM A106, API 5L and ASTM A53 Seamless Carbon Steel Pi Pressure !"Pa# and temperature ! oC# ratins o$ ASTM A106, API 5L and temperatures ranin $rom -%&'C to (50'C
&aUi alloable pressre and teperatre ratins for petrole re8ner: pipin and cheical plant pipi
Maximum Allowable Pressure %omi&al Si'e
all Ti*k&ess
(mm)
(mm)
-67
205
2"77 3"73 !"78 7"!7 2"87 3"$1 5"56 7"82 3"38 !"55 6"35 $"0$ 3"56 !"85 6"35 $"7 3"68 5"08 7"1! 10"16 3"$1 5"5! 8"7! 11"07 5"16 7"01 $"53 1!"02 5"!$ 7"62 11"13 15"2! 6"02
137,800 3!,!16 !8,0$2 62,830 $8,2!5 28,070 3$,!18 58,152 83,107 26,251 36,283 52,!81 77,030 21,61! 30,178 !0,5$6 6!,601 1$,!!! 27,!02 3$,738 58,77$ 16,378 23,653 38,866 50,7$3 17,$1! 2!,818 3!,615 53,081 15,558 21,$86 33,07$ !6,$76 13,187
137,800 3!,!16 !8,0$2 62,830 $8,2!5 28,070 3$,!18 58,152 83,107 26,251 36,283 52,!81 77,030 21,61! 30,178 !0,5$6 6!,601 1$,!!! 27,!02 3$,738 58,7$$ 16,378 23,653 38,866 50,7$3 17,$1! 2!,818 3!,615 53,081 15,558 21,$68 33,07$ !6,$76 13,187
"chedle no
ST #S 15
20
25
32
!0
50
65
80
##S ST #S ##S ST #S ##S ST #S ##S ST #S ##S ST #S ##S ST #S ##S ST #S ##S ST
!0 80 160 !0 80 160 !0 80 160 !0 80 160 !0 80 160 !0 80 160 !0 80 160 !0 80 160 !0
260 Maxi 130,221 32,528 !5,!66 5$,378 $2,836 26,526 37,2!7 5!,$55 78,53$ 2!,80! 3!,285 !$,5$! 72,7$3 20,!21 28,518 38,36! 61,0!5 18,375 25,$00 37,5$$ 55,5!7 15,!68 22,351 36,731 !8,003 16,$2$ 23,!!7 32,71! 50,15$ 1!,$6$ 20,780 31,253 !!,3$2 12,!6!
#S
100
125
150
##S ST #S
##S ST #S ##S
ST #S
80 120 160 !0 80 120 160 !0 80 120 160 20 30 !0 60 80 100 120 1!0
##S 200
ST #S
##S 250
160 20 30 !0 60 80 100 120 1!0 160 20 30
ST !0 #S
##S 300
ST
60 80 100 120 1!0 160 10 20 30 !0
#S 60 80
8"56 11"13 13"!$ 17"12 6"55 $"53 12"7 15"88 1$"05 7"11 10"$7 1!"27 18"26 6"35 7"0! 8"18 10"31 12"7 150"$ 18"26 20"62 22"23 23"01 6"35 7"8 $"27 12"7 15"0$ 18"26 21"!! 25"! 28"58 6"35 8"38 $"53 10"31 12"7 1!"27 17"!8 21"!! 25"! 28"58 33"32 6"35 7"$2 $"53 11"13 12"7 15"0$ 1$"05
1$,058 25,1$0 31,01$ !0,3!8 11,561 17,060 23,130 2$,!07 35,8$7 10,550 16,!7! 21,7!5 28,325 7,138 7,$2! $,2!6 11,7!1 1!,572 17,!52 21,3!5 2!,308 26,33! 27,3!0 5,6$8 7,028 8,385 11,5$6 13,863 16,$22 20,036 23,$$8 27,22$ !,7$5 6,35$ 7,2!1 7,85! $,722 10,$6$ 13,525 16,736 20,015 22,682 26,7!0 !,361 5,!57 6,580 7,717 8,833 10,5!1 13,!21
1$,058 25,1$0 31,01$ !0,3!8 11,561 17,060 23,130 2$,!07 35,8$7 10,550 16,!7! 21,7!5 28,325 7,138 7,$2! $,2!6 11,7!1 1!,572 17,!52 21,3!5 2!,308 26,33! 27,3!0 5,6$8 7,028 8,385 11,5$6 13,863 16,$22 20,036 23,$$8 27,22$ !,7$5 6,35$ 7,2!1 7,85! $,722 10,$6$ 13,525 16,736 20,015 22,682 26,7!0 !,361 5,!57 6,580 7,717 8,833 10,5!1 13,!21
18,010 23,805 2$,310 38,12$ 10,$21 16,122 21,855 27,787 33,$26 $,$28 15,571 20,553 26,768 6,7!5 7,!8$ 8,737 11,0$3 13,766 16,!88 20,17! 22,$71 2!,877 25,838 5,388 6,6!2 7,$23 10,$55 13,0$8 15,$$2 18,$3! 16,!7! 25,73! !,53! 6,008 6,8!2 7,!21 $,1$1 10,363 12,850 15,81$ 18,$13 21,!35 25,273 !,120 5,161 6,222 7,310 8,351 $,$63 12,68!
350
ST #S
!00
ST #S
!50 ST #S
500 ST #S
600
100 120 1!0 160 10 20 30 !0 60 80 100 120 1!0 160 10 20 30 !0 60 80 100 120 1!0 160 10 20 30 !0 60 80 100 120 1!0 160 10 20 30 !0 60 80 100 120 1!0 160
23"83 27"7$ 31"75 35"71 6"35 7"$2 $"53 12"7 16"66 21"!! 26"1$ 30"$6 36"53 !0"!$ 6"35 7"$2 $"53 11"13 12"7 1!"27 1$"05 23"83 2$"36 3!"$3 3$"67 !5"2! 6"35 $"53 12"7 15"0$ 20"62 26"1$ 32"5! 38"1 !!"!5 50"01 6"35 $"53 12"7 1!"27 17"!8 2!"61 30"$6 38"8$ !6"02 52"37 5$"5!
16,$!$ 1$,$33 22,$6! 26,051 3,810 !,768 5,7!6 7,703 10,176 13,208 16,27! 1$,!0$ 23,130 25,82! 3,383 !,230 5,0$$ 5,$67 6,835 7,6$6 10,3!$ 13,0!3 16,21$ 1$,!6! 22,282 25,638 3,038 !,582 6,13$ 7,317 10,080 12,8$8 16,171 1$,085 22,!75 25,!50 2,52$ 3,810 5,0$7 5,73$ 7,055 10,018 12,6$1 16,102 1$,223 22,0!8 25,27$
16,$!$ 1$,$33 22,$6! 26,051 3,810 !,768 5,7!6 7,703 10,176 13,208 16,27! 1$,!0$ 23,130 25,82! 3,383 !,230 5,0$$ 5,$67 6,835 7,6$6 10,3!$ 13,0!3 16,21$ 1$,!6! 22,282 25,638 3,038 !,582 6,13$ 7,317 10,080 12,8$8 16,171 1$,085 22,!75 25,!50 2,52$ 3,810 5,0$7 5,73$ 7,055 10,018 12,6$1 16,102 1$,223 22,0!8 25,27$
16,01$ 18,837 21,703 2!,618 3,603 !,507 5,!2$ 7,283 $,618 12,!78 15,378 18,3!1 21,855 2!,!0! 3,1$7 3,$$6 !,816 5,6!3 6,!56 7,276 $,78! 12,326 15,323 18,38$ 21,056 2!,225 2,873 !,327 5,801 6,$11 $,522 12,188 15,287 18,037 21,2!2 2!,0$! 2,3$1 3,603 !,816 5,!23 6,670 $,!67 12,002 15,220 18,168 20,835 23,888
ue o +ossible *o&.ersio& o/ *arbo& o ra+ie (ra+ii'aio&) - *arbo& see &sea Allo seel soul be use" 1)
1 Pa 4 10-6 %mm2 4 10-5 bar 4 0"1020 k+m 2 4 1"02x10-! m 2 4 $"86$x10 T(o) 4 9T( o):($5) ; 32
42htl peratre
pes - Pressure and Temperature Ratins A"T& A1-, AI #;, an ASTM A53 Seamless Carbon Steel Pipes at
in s:stes rade / ith plane ends to AN"IA"&' /313 rocess ipin
(kPa)
Tem+eraure (o) 350 370 !00 um Allowable Sress (kPa) 117,130 115,752 8$,570 2$,255 28,$10 22,372 !0,878 !0,3$6 31,260 53,!0! 52,777 !0,837 83,507 82,522 63,857 23,860 23,578 18,2!5 33,506 33,106 25,617 !$,!2$ !8,8!3 37,7$$ 70,6!3 6$,80$ 5!,02! 22,310 22,0!8 17,060 30,862 30,!7! 23,58! !!,606 !!,082 3!,112 65,!76 6!,70! 50,070 18,36$ 18,155 1!,0!$ 25,651 25,3!8 1$,616 3!,505 3!,0$$ 26,38$ 5!,$06 5!,266 !1,$88 16,52$ 16,32$ 12,636 23,2$5 23,01$ 17,811 33,816 33,!16 25,858 !$,$66 !$,37! 38,205 13,$25 13,75$ 10,6!5 20,105 1$,871 15,378 33,037 32,652 25,266 !3,173 !2,670 33,017 15,227 15,0!8 11,6!! 21,0$7 20,8!$ 16,12$ 2$,!20 2$,076 22,503 !5,116 !!,585 3!,!$8 13,222 13,063 10,108 18,6$3 18,!72 1!,2$0 28,111 27,780 21,!$7 3$,$28 3$,!5$ 30,536 11,210 11,07$ 8,571
!301)
!50
7!,!12 18,58$ 25,$6$ 33,$2$ 53,053 15,158 21,283 31,3$8 !!,881 1!,173 1$,5$5 28,33$ !1,5$5 11,672 16,2$5 21,$2! 3!,88! 10,550 1!,800 21,!83 31,7!2 8,8!7 12,77! 20,$87 27,!2$ $,67! 13,!01 18,6$3 28,662 8,3$$ 11,871 17,85$ 25,36$ 7,12!
5$,$!3 1!,$72 20,$18 27,333 !2,73$ 12,20$ 17,1!2 25,2$3 36,152 11,!17 15,785 22,827 33,506 $,!0! 13,125 17,65$ 28,0$7 8,!5! 11,$1$ 17,308 25,56$ 7,12! 10,287 16,$08 22,0$6 7,7$3 10,7$7 15,055 23,088 6,766 $,563 1!,386 20,!36 5,73$
16,1$8 21,!07 26,368 3!,2$8 $,825 1!,503 1$,657 2!,$$7 30,516 8,$2! 1!,007 18,!!8 2!,07! 6,063 6,732 7,855 $,$77 12,388 1!,83! 18,1!8 20,656 22,386 23,2!0 !,8!! 5,$7! 7,131 $,853 11,781 1!,386 17,032 20,3$! 23,1!3 !,072 5,!02 6,153 6,676 8,268 $,322 11,!$2 1!,227 17,011 1$,278 22,730 3,707 !,6!! 5,5$5 6,55$ 7,510 8,$6! 11,!10
16,012 21,15$ 26,058 33,8$2 $,708 1!,331 1$,!30 2!,701 30,158 8,81$ 13,8!2 18,265 23,78! 5,$$! 6,656 7,765 $,860 12,237 1!,655 17,$35 20,!15 22,12! 22,$6! !,78$ 5,$05 7,0!8 $,736 11,6!! 1!,21! 16,825 20,153 22,875 !,02! 5,5!0 6,08! 6,601 8,165 $,212 11,362 1!,062 16,811 1$,051 22,!61 3,665 !,58$ 5,533 6,!77 7,!21 8,861 11,272
12,388 16,371 20,160 26,230 7,510 11,0$3 15,03! 1$,113 23,337 6,828 10,707 1!,138 18,!10 !,637 5,1!7 6,008 7,627 $,!7! 11,3!1 13,876 15,7$$ 17,115 17,76$ 3,707 !,568 5,!50 7,538 $,012 10,$$6 13,022 15,5$$ 17,700 3,11! !,13! !,706 5,015 6,318 7,131 8,7$2 10,87$ 13,008 1!,7!! 17,383 2,831 3,5!8 !,27$ 5,016 5,73$ 6,855 $,723
12,0$! 13,601 16,750 21,786 6,2!3 $,212 12,!$2 15,881 1$,388 5,370 8,8$5 11,7!7 15,2$6 3,852 !,27$ !,$$5 6,33$ 7,868 $,!26 11,527 13,125 1!,221 1!,765 3,080 3,7$6 !,527 6,263 7,!83 $,136 10,817 12,$60 1!,703 2,5$1 3,!31 3,$1! !,2!! 5,250 5,$25 7,303 $,0!0 10,80! 12,2!! 1!,!!1 2,356 2,$!$ 3,555 !,168 !,768 5,6$1 7,2!8
8,28$ 10,$$5 13,208 17,5!$ 5,038 7,!21 10,05$ 12,7$5 15,620 !,568 7,165 $,!60 12,31$ 3,100 3,!!5 !,02! 5,105 6,338 7,5$3 $,288 10,56$ 11,!58 11,8$2 2,!80 3,05$ 3,652 5,0!3 6,028 7,35$ 8,716 10,!38 11,8!! 2,088 2,763 3,1!$ 3,!17 !,230 !,768 5,88! 7,283 8,702 $,866 11,630 1,8$5 2,377 2,866 3,355 3,8!5 !,58$ 5,836
1!,!07 16,$!3 1$,51$ 22,1!! 3,238 !,051 !,885 6,5!5 8,65! 11,22! 13,835 16,!81 1$,657 21,$52 2,873 3,5$7 !,33! 5,071 5,808 6,5!5 8,7$$ 11,086 13,787 16,5!3 18,$!1 21,7$3 2,57! 3,8$3 5,216 6,215 8,56! 10,$62 13,7!6 16,226 1$,106 21,675 2,150 3,238 !,33! !,878 5,$$! 8,516 10,783 13,6$0 16,336 18,7!1 21,!8$
1!,2!2 16,7!3 1$,2$2 21,883 3,1$7 !,00! !,830 6,!70 8,550 11,0$3 13,670 16,302 1$,!30 21,6$7 2,83$ 3,555 !,286 5,016 5,73$ 6,!63 8,6$5 10,$55 13,622 16,350 18,713 21,531 2,556 3,852 5,15! 6,1!6 8,!68 10,831 13,580 16,033 18,87$ 21,!21 2,12$ 3,1$7 !,286 !,823 5,$25 8,!20 10,65$ 10,528 16,150 18,520 21,235
11,017 12,$60 1!,$31 16,$36 2,!7! 3,100 3,73! 5,00$ 6,61! 8,585 10,576 12,616 15,03! 16,78! 2,1$8 2,7!$ 3,31! 3,87$ !,!37 5,002 6,725 8,!75 10,5!2 12,650 11,!83 16,660 1,$77 2,$76 3,$8$ !,75! 6,552 8,385 10,51! 12,!0$ 1!,61! 16,577 1,6!7 2,!7! 3,31! 3,73! !,58$ 6,511 8,25! 10,!66 12,!$1 1!,331 16,!33
$,157 10,762 12,!02 1!,06$ 2,060 2,577 3,100 !,126 5,!$8 7,131 8,785 10,!80 12,!$2 13,$!5 1,826 2,287 2,756 3,225 3,686 !,155 5,588 7,0!2 8,757 10,507 12,030 13,8!2 1,6!0 2,!7! 3,31! 3,$!8 5,!!3 6,$66 8,730 10,307 12,1!0 13,766 1,36! 2,060 2,756 3,100 3,810 5,!0$ 6,856 8,6$5 10,383 11,$06 13,6!$
7,372 8,675 $,$$0 11,33! 1,660 2,07! 2,501 3,3!$ !,!30 5,7!6 7,076 8,!!0 10,05$ 11,238 1,!7! 1,83$ 2,21$ 2,5$8 2,$6$ 3,3!$ !,!$$ 5,670 7,055 8,!68 $,6$! 11,155 1,323 1,$$1 2,666 3,183 !,382 5,608 7,035 8,302 $,777 11,0$3 1,102 1,660 2,21$ 2,!$! 3,066 !,361 5,51$ 7,007 8,36! $,5$1 10,$$6
l +i+es soul be a.oie /or em+eraures abo.e !25 o"
-6
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t
=
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−
2⋅Cext
2
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⋅
1 − Exp
(
−
c the s of the ec ci internal alloances co eUternal alloances For acined srfaces /313, J34 ressre
1.155⋅ P
σ allow
)]
For threaded copone /313, J34 ressre
d A"T& A#3 sealess !" pipes * ressre and teperatre ratins
[
1 − Exp
(
−
1.155⋅ P
σ allow
)]
anical alloances ( thread or roove depth) pls corrosion and erosion alloances
r roves hre the tolerance is not speci8ed, the tolerance shall be assed to be # in esin of hih pressre coponentes
nts, the noinal thread depth (diension of A"&' /121 or eivalent) shall ppl:, eUce esin of hih pressre coponentes
addition to thespeci8ed depth of the ct
pt the folloin for cases
AN"I /1-# * &aUi ressre and Teperatre
on'shock pressure (psig) and te(perature ratings for steel pipe flanges and flange
Maxim%m allowable &o&-s$o*F press%re (psig) a&d temperat%re rati&gs for steel pipe fla&ges a&d fla&ged fitti&gs Maxim%m llowable &o&-s$o*F Press%re (psig) 9emperat%re o
( F)
Press%re Class (lb) 1;
3
:
<
1;
O6drostati* 9est Press%re (psig) :;
112;
1;
222;
33;
;;7;
-2 to 1
2";
7:
1:"
222
37;
2
2<
<7;
13;
22;
337;
3
23
<;;
"7;
131;
17
32"
:
2
<3;
":;
127
1
317
;
17
<
"
12
17;
2;
<
1:
;;
73
1;
1<:
273;
<;
12;
;3;
71;
17;
1<1
2<";
7
11
;3;
71
1<;
1<
2<<;
7;
;
;;
<7
11
1;1
2;2
"
"
:1
;;
"2;
123;
2<
";
<;
27
3;;
;3;
";
13:
;
17
23
3:;
;1;
"<
;
3;
1;
1:
2;
31
;1;
1
2
;
7
1;
1;;
2<
Maxim%m llowable &o&-s$o*F Press%re (bar g) 9emperat%re o
( F)
Press%re Class (lb) 1;
3
:
<
1;
O6drostati* 9est Press%re (bar g) 31.
77.<
13.:
1;3.:
231.
3":.:
-2 to 1
1.7
;1.
<".3
12.
1;3.1
2;;.;
3
17.
:<.;
<2.1
3.1
13.<
232.7
1:
1;.
:;.2
<.3
.7
13;."
22<.1
2:
13."
:3."
;".3
"7.<
131.
21".<
2<
11.7
:1.:
;;.2
"2.7
123."
2<.;
31<
.7
37.
;.3
7;.;
113.1
1"".<
3:3
".<
3<.
:.3
7:.1
111.
1";.1
371
7.<
3<.
:.
73.:
11.3
1"3.7
3
<.<
3:."
:<.2
<.<
1:.1
173.7
:27
;.;
2".3
37.
;<.
";.2
1:2.
:;:
:.;
1".<
2:.;
3<.
;;.;
2.:
:"2
3.:
11.7
1;.
23."
3;.;
;.3
;1
2.:
7.2
.7
1:.1
21.:
3;.;
;3"
1.:
3.:
:."
7.2
1.7
17.
fittings
**ordi&g t$e meri*a& Natio&al ta&dard N 81<.; - 1"".
2;
27; <17 ;<2; ;:7 ;2" : :;< ::7; ::: :2 3:3 223 1:3 "< :3
2;
<3.; :2;.: 3"7." 377.1 3<:. 3::. 31:.: 3".; 3<.1 2".< 23<.; 1;3." ".< ;.3 2.<
N 81<.; - Maxim%m Press%re a&d 9emperat%re 'ati&gs No&-s$o*F press%re (psig) a&d temperat%re rati&gs for steel pipe
fla&ges a&d fla&ged fitti&gs
ample wall t$i*F&ess *al*%latio&
+ata NP 2# t$rea +esig& pres +esig& temp Corrosio& all
1.- Pipe exte d& = de = .' %read 2e %a&le or a &omi& 9able 2 gi?e %a&la 1 or a &%mbe 9able 2 gi?e 9+ = 9+ = 3.- Coeffi*ie M 3:.1 9able 3:.1. t != @= :. llowed st or material sallow = ;.- /o&git%di M 831.3 /o&git%di&al =
<.- 8asi* t$i*F&ess
d& =
ded %re erat%re owa&*e
P= P=
2 1; 1.3
i& psi MPa
temp = temp = C =
; 2< 1A1<
° °C i&
C =
1.;
mm
rior diameter 2 ,/0 pth4 %2
P⋅d ext
⋅[ σ ⋅ E + P⋅Y ]
2
t= P= d= sallow =
M 81.2.1-1"3
r of t$reads
11.*
i& 9$reads A i&
11.;
9$reads A i&
a Oeig$t of $arp 9$read .7;31 i& 1.1 mm
$eet <
1.3 ,/0
MPa mm
= @=
13 1 .:
MPa -
t=
,/0
mm
7.- ?er t$i*F&ess >*> *= C L 9+ C = 1.; 9+ = 1.1 *= 3.;
$eet <
$eet ;
t= *= tm =
ress ;3 Dr. 8
mm mm mm
1"7#. psi
,/0 3.;
mm mm
,/0
mm
.- Mill tolera&*e M9 = 12.; Z Mi&im%m &omi&al pipe t$i*F&ess tmi& = tm (1 A(1 - M9) tm = M9 = tmi& =
,/0 12.;
mm Z
,/0
mm
MPa 1.- ele*ted s*$ed%le CO = " d& = 2
&al weld 5oi&t ?al%e >> # 9able -18 weld 5oi&t 1
P dext A ) 2 (sallow L P
".- Corre*ted t$i*F&es ?al%e (*orrosio& tm = tL*
KC
.:
13
(3a)
mm
l diameter
t@ .1-3:.2.1 1. :"2
t =
96pe
(eamless pipe) $eet :
s= s=
i& PipempC9$i*F&ess ,/0 mm ,/0 i&
@) -
a&d t$read)
$eet 7
,/0
d&s*$
i&
5or pressure ratin" an+ pipin" class@ see le &aUi alloable pipe pressres for A#3, A1- and AI #; sealess pipes M !" "heet !" Vanes*ress ? Tep ratins Maxim%m temperat%re a&d press%re rati&gs of fla&ges *o&formi&g dime&sio&s M 81<.; Pipe la&
and aterials speci8cation to A"T& A*1# "peci8cation for !arbon "teel Forins for ipi in !elcis derees and pressre in bar
5or ma?imum allowable pressures see le &aUi alloable pipe pressres for A#3, A1- and AI #; sealess pipes M !" "heet &aU Alloable ressres Maxim%mm allowable press%res HMpaI# for seamless pipes# steels grade 8B ;3# 1< a&d diameter >d&>
and schedle Q"chQ, acordin Q'c 3aQ, A"&' /313, teperatres fro 35>! to
Vanes ress*Tep ratins
ges a&d la&ged itti&gs -
Applications * teperatre
Vanes ress*Tep ratins
d P ;/# for &omi&al
#93>! (' . 1 and % . ,4)
A"&' /121 53 Table 2 /asic diensions of Aerican National "tandard Taper ipe Thread
Aerican National "tandard AN"I /1-# * 1955