Coupling Calculations and Ug-32 Unstayed Head Calculations

UCS-79

For P-No.1 Group Nos. 1 and 2 materials the extreme fber elongation may be as great as 40% hen !he redu"tion by "old #orming #rom the as-rolled thi"$ness is less than 10% at any lo"ation here the extreme fber elongation ex"eeds %.

UG-46(f)(2) Required as per Code above a bove for All vessels 18 i! (4"# $$) %o &6 i! (9## $$)'ilusive' !*! s+all +ave a $a+ole or a% leas% %,o +ad+oles or %,o plued' %+readed ispe%io opeis of o% less %+a ./S 2 (*. "#)! UG-46(f)(&) Required as per Code above for All vessels over &6 i! (9## $$) !*! s+all +ave a $a+ole' e0ep% %+a% %+ose ,+ose s+ape or use $aes oe i$pra%iable s+all +ave a% leas% %,o +ad+oles 4 i!  6 i! (1## $$  1"# $$) or %,o equal opeis of equivale% area

/ipe Cap 3+iess Calula%io Dish head is a standard pipe cap and dimensions shall be as per ASME B16.9. As per UG-44, the pressre-temperatre ratin! shall be calclated as "or strai!ht seamless pipe in accordance #ith the rles o" section $%%% Di&ision 1. 'ipe cap si(e )D* + /0 *'S Sch S2D ) Seamless pipe pipe shell Seamless pipe shell and pipe cap are ha&in! the same dimensions,. So So re3ired thicness calclated abo&e as per Appendi5-1, 'ara 1-1a is a minimm "or pipe cap t )

t )

' o 7 8.A #here E). : S)Allo#able Stress "or 'ipe )11M'a SE 7 .4' 1. 5 /1

7 1.6

11 5 . 7 .4 5 1. )

/.+4 7 1.6 ) ./4 mm

Min re3ired thicness thicness ) ./4 mm ; 9./ mm

UG32 (b) Calculation of un-stayed head Thickness of semi ellipsoidal head = (P x L) / (2 x S – 0.2 x P) = (3.45((0.!4"")#3))/(2$3%.!&0.23.45) = 5.545 mm 'iide * +oin, efficienc* of head ,o shell +oin, = 5.545 / $ = 5.545 mm # 3 mm -.. = ".545 mm

/rovided +ead $i %+iess  1# $$ 5 ee ! FOR AMRAN HITEK As per UG32 (b) Calculatio o! u"sta#e$ %ea$ For elliptical %ea$ &it%out usi' oit e!!iciec# i !orula *eparatel# use$ i $i+i$i' t%e t%ic,ess b# oit e!!iciec# Thickness of seamless hemi&head = (p x L) / (2 x S – 0.2 x p) = ($.2(0.!$050#$.))/(2$3%.!&0.2$.2) = 4.$2$5 mm he1e L=(0.!  inne1 dia) # -. = nne1 'ia # 2 -.

'iide * +oin, efficienc* of head ,o shell +oin, = 4.$2$5 / 0."5 = 4."4"" mm # $. mm -.. = .44"" mm P1oided head min ,hickness = " mm  ence 6.7. s pe1 89&32 () ac,:al fo1m:la fo1 ellip,ical head is T = (P') / (2 S;&0.2P) <6 T6SP;-L ;' T= (0.""5 PL) /(S;&0.$P) L= ; -6 '8S TT S ;>8L T6 68T; '?;T; 6< ;'

s pe1 8932 () -alc:la,ion of :n&s,a*ed head Thickness of seamless hemi&head = (0.""5PL) / (S; – 0.$ x P) = (0.""50.2%5304.4)/($3%.!$&0.$0.2%5) = 5.3%" mm = 5.3%" mm # $. mm -.. = .!%" mm P1oided head min ,hickness = ".0 mm  ence 6.7.

 %+e above for$ula oi% effiie: is used So eed %o divide %+e %+iess b: %+e oi% effiie: separa%el: N3-N.-N/0N1"N / " C4A** 1 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$. s pe1 S?; A$.$$&200$ Tale 2@ fo1 '50 & -LSS 000 PT co:plinB@ Sch xxs ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P

=

-alc:la,ed 'esiBn P1ess:1e = $.4 ?Pa (B)

oEEle ma,e1ial = S $05? S

= lloCale S,1ess a, desiBn ,empe1a,:1e F !5G - = $3%.! ?Pa

-

=

-o11osion lloCance =

6:,side 'iame,e1 of

$. mm

S,1aiBh, Seamless '50 Sch xxs

Pipe =

0.325 mm o = 6:,side 1adi:s of

S,1aiBh, Seamless Pipe = 0.325 /2

=

30.$25 mm ,n = ominal ,hickness = $$.0% x 0."%5 = !." mm (8nde1 Tole1ance $2.5H as pe1

Pa1a 2.$.$

of S?; A$.$$)

-o11oded ,hickness@ , = (!." – $.) =".0" mm Thickness ded:c,ion d:e ,o ,h1ead :nde1c:, as pe1 89&3$(c)(2) – '50 (2I A @ "8) i.e. n = " ,h1eads pe1 inch. 'ed:c,ed ,hickness = 20 / n = 20/" = 2.5 mm ence 1es:l,an, ,hickness of co:plinB =".0"&2.5 = 5.5" mm Join, ;fficienc* ;

=

$ (Seamless Pipe)

8sinB fo1m:la of ppendix&$@ Pa1a $&$(a) ?P

=

?P ?Pa(B)

=

S.;., (o – 0.4 ,) $3%.! x $ x 5.5"

=

2%.5" ?Pa(B) K $.4!

(30.$25 – 0.4 x 5.5") *o class 3 coupli' are !ou$ satis!actor# 8 7) N 9 " C4A** 3 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$. s pe1 S?; A$.$$&200$ Tale 2@ fo1 '"00 & -LSS 3000 PT co:plinB@ Sch $0 ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P

=

-alc:la,ed 'esiBn P1ess:1e = 0.2%5 ?Pa

oEEle ma,e1ial = S $05? S -

= lloCale S,1ess a, desiBn ,empe1a,:1e F %0G - = $3%.! ?Pa =


$. mm

6:,side 'iame,e1 of

S,1aiBh, Seamless '"0 Sch $0

Pipe =

"".!

mm o = 6:,side 1adi:s of

S,1aiBh, Seamless Pipe = "".! /2

= 44.45

mm ,n = ominal ,hickness = $$.$3 x 0."%5 = !.%3"%5 mm (8nde1 Tole1ance $2.5H as pe1 Pa1a 2.$.$ of S?; A$.$$) -o11oded ,hickness@ , = (!.%3"%5 – $.) = ".$3"%5 mm Join, ;fficienc* ;

=

$

(Seamless Pipe)


=

?P

=

S.;., (o – 0.4 ,) $3%.! x $ x ".$3"%5 (44.45 – 0.4 x ".$3"%5)

=

2%.24 ?Pa K 0.2%5 ?Pa

*o class 3 coupli' are !ou$ satis!actor# 8

2) N / " C4A** 3 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$. s pe1 S?; A$.$$&200$ Tale 2@ fo1 '50 & -LSS 3000 PT co:plinB@ Sch $0 ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P

=

-alc:la,ed 'esiBn P1ess:1e = 0.2%5 ?Pa

oEEle ma,e1ial = S $05? S -

= lloCale S,1ess a, desiBn ,empe1a,:1e F %0G - = $3%.! ?Pa =


6:,side 'iame,e1 of

$. mm

S,1aiBh, Seamless ' 50 Sch $0

Pipe =

0.3



mm ,n = ominal ,hickness = ".%4 x 0."%5 = %.4%5 mm (8nde1 Tole1ance $2.5H as pe1 Pa1a 2.$.$ of S?; A$.$$) -o11oded ,hickness@ , = (%.4%5 – $.) = .04%5 mm Join, ;fficienc* ;

=

$

(Seamless Pipe)

8sinB fo1m:la of ppendix&$@ Pa1a $&$(a)

= 30.$5

?P

=

?P

=

S.;., (o – 0.4 ,) $3%.! x $ x .04%5 (30.$5 – 0.4 x .04%5)

=

30.0% ?Pa K 0.2%5 ?Pa

*o class 3 coupli' are !ou$

3)

N /"C4A** 1 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$.

s pe1 S?; A$.$$&200$ Tale 2@ fo1 '50 & -LSS 000 PT co:plinB@ Sch S ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P

=

-alc:la,ed 'esiBn P1ess:1e = $.5 ?Pa

oEEle ma,e1ial = S $0 91.A S

= lloCale S,1ess a, desiBn ,empe1a,:1e F !5G - = $$%.! ?Pa

-

=


6:,side 'iame,e1 of

3 mm

S,1aiBh, Seamless '50 Sch S

Pipe =

0.3



= 30.$5

mm ,n = ominal ,hickness = $$.0% x 0."%5 = !."2 mm (8nde1 Tole1ance $2.5H as pe1 Pa1a 2.$.$ of S?; A$.$$) -o11oded ,hickness@ , = (!."2 – 3) = ."2 mm Join, ;fficienc* ;

=

$ (Seamless Pipe)


=

?P

=

S.;., (o – 0.4 ,) $$%.! x $ x ."2

=

2".!$$ ?Pa K $.5 ?Pa

(30.$5 – 0.4 x ."2)

lso ?P =2".!$$ ?pa K ?P of Dessel $." ?Pa *o class 1 coupli' are !ou$ satis!actor# 8

N3,N4,N5 & N6 COU!"NG C#!CU!#$"ON

N3-N.-N/0N1"N / " C4A** 3 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$. s pe1 S?; A$.$$&200$ Tale 2@ fo1 '50 & -LSS 3000 PT co:plinB@ Sch $0 ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P = -alc:la,ed 'esiBn P1ess:1e = $.22 ?Pa (B) oEEle ma,e1ial = S $05? S = lloCale S,1ess a, desiBn ,empe1a,:1e F "5G - = $3%.! ?Pa - = -o11osion lloCance = $. mm 6:,side 'iame,e1 of S,1aiBh, Seamless '50 Sch $0 Pipe = 0.325 mm o = 6:,side 1adi:s of S,1aiBh, Seamless Pipe = 0.325 /2 = 30.$25 mm ,n = ominal ,hickness = ".%4 x 0."%5 = %.4% mm (8nde1 Tole1ance $2.5H as pe1 Pa1a 2.$.$ of S?; A$.$$) -o11oded ,hickness@ , = (%.4% – $.) =.04% mm T%ic,ess $e$uctio $ue to t%rea$ u$ercut as per UG"37(c)(2) : N/ (2; N6 - 9UN) i8e8  < 9 t%rea$s per ic%8 e$ucte$ t%ic,ess < 2 =  < 2=9 < 28/  ence 1es:l,an, ,hickness of co:plinB =.04%&2.5 = 3.54% mm Join, ;fficienc* ;

=

$

(Seamless Pipe)


=

?P ?Pa(B)

=

S.;., (o – 0.4 ,) $3%.! x $ x 3.54%

=

$%.0$ ?Pa(B) K $.22

(30.$25 – 0.4 x 3.54%) *o class 3 coupli' are !ou$ satis!actor# 8

.) N 7/ " C4A** 3 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$.

s pe1 S?; A$.$$&200$ Tale 2@ fo1 '20 & -LSS 3000 PT co:plinB@ Sch $0 ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P

=

-alc:la,ed 'esiBn P1ess:1e = $ ?Pa


= lloCale S,1ess a, desiBn ,empe1a,:1e F "5G - = $3%.! ?Pa

-

=


6:,side 'iame,e1 of

$ mm

S,1aiBh, Seamless '$5 Sch $0

Pipe =

2$.3


S,1aiBh, Seamless Pipe = 2$.3 /2

= $0.5

mm ,n = ominal ,hickness = 4.%" x 0."%5 = 4.$"25 mm (8nde1 Tole1ance $2.5H as pe1 Pa1a 2.$.$ of S?; A$.$$) -o11oded ,hickness@ , = (4.$"25 – $) = 3.$"25 mm Join, ;fficienc* ;

=

$

(Seamless Pipe)


=

?P

=

S.;., (o – 0.4 ,) $3%.! x $ x 3.$"25 ($0.5 – 0.4 x 3.$"25)

=

4."0 ?Pa K $ ?Pa

*o class 3 coupli' are !ou$ satis!actor# 8

/) N 2 " C4A** 3 N5T coupli' as per A*ME 671877 E$ 278 s pe1 89&44@ fo1 S?; A$.$$ pipe fi,,inBs@ ,he p1ess:1e ,empe1a,:1e 1a,inB shall e calc:la,ed as fo1 seamless s,1aiBh, pipe in acco1dance Ci,h ppendix $@Pa1a $&$(a) of -6'; Sec,ion D 'i$. s pe1 S?; A$.$$&200$ Tale 2@ fo1 '20 & -LSS 3000 PT co:plinB@ Sch $0 ,o e :sed o1 p1ess:1e ,empe1a,:1e 1a,inB. P

=

-alc:la,ed 'esiBn P1ess:1e = $ ?Pa


= lloCale S,1ess a, desiBn ,empe1a,:1e F "5G - = $3%.! ?Pa

-

=


6:,side 'iame,e1 of

$ mm

S,1aiBh, Seamless '20 Sch $0

Pipe =

2.%

mm o = 6:,side 1adi:s of S,1aiBh, Seamless Pipe = 2.% /2 = $3.335 mm ,n = ominal ,hickness = 5.5 x 0."%5 = 4."5 mm (8nde1 Tole1ance $2.5H as pe1 Pa1a 2.$.$ of S?; A$.$$) -o11oded ,hickness@ , = (4."5 – $) = 3."5 mm Join, ;fficienc* ;

=

$

(Seamless Pipe)


=

?P

=

S.;., (o – 0.4 ,) $3%.! x $ x 3."5 ($3.335 – 0.4 x 3."5)

=

45.2$ ?Pa K $ ?Pa

*o class 3 coupli' are !ou$ satis!actor#

As per Appedi0 1 /ara 1-2 (Addeda 2##9) for C:lidrial S+ells %+e follo,i ;or$ula is used %o alula%e %+e %+iess! % 



R # 1 



  P     SE  

e0p 

   1!"2    1&6!""1  e0p    118 1 x      1&6!"" (#!#1279)

  #!9872

1&6!"" 1

 1!7464
USED IN “U2” STAMP REFERENCES

2he "ollo#in! docments < dra#in!s are part o" Desi!n eport "or the &essel AD A-4 a!ainst the User Desi!n Speci"ication UDS-A-4 e& 

Sl. *o.

Description

1 > /

8alclation Sheets $essel Sematic Setch General Assembl@ Dra#in! General *otes : 2olerances Cb *o((le Details eld Map Cemispherical Cead Cemispherical 2emplate

4  6 + 

Docment *o.

e&.*o

=2$-AD-1 D8 =2$ AD?U>-4 =2$-U>-A-4

  

*o. o" 'a!es 6 1 1

=2$-U>--2-A4 =2$-U>-S*-A-4 =2$-U>--M-A-4 =2$-U>--CD-A-4 =2$-U>-2M-A-4



1

   

1 1 1 1

89&4 (f)(2) ll essels $" in. (450 mm) ,o 3 in. (!00 mm)@incl:sie@ .'. shall hae a manhole o1 a, leas, ,Co handholes o1 ,Co pl:BBed@ ,h1eaded inspec,ion openinBs of no, less ,han PS 2 (' 50).

Coupling Calculations and Ug-32 Unstayed Head Calculations

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