Vessel Design Calc
Project NameDesign Code ASME Sec VIII Division
Shell
Component ShellMaterial SA 240 - 316L
MDMT governed by:
Design Pressure Internal P
Design Pressure External
Design Temperature T
MDMT MDMTCorrosion Allowance CAAllowable Stress S
Static Liquid Head Operating
Static Liquid Head test
Static Liquid Pressure Operating
Static Liquid Pressure test
Radiography Cat ACat B
Joint Efficiency Cat A ECat B E
Inner Diameter new Dcorroded D
Minimum thickness per UG-16 tMinimum thickness t
Pext
Hs
Hth
Ps
Pth
Length
Internal Pressure Design
Design thickness new
Nominal plate thickness
Minimum thickness new
Minimum thickness corroded t
Max. Allow. Working Press. corroded MAWP
Max. Allow. Press. new & cold MAP
Radii nominal
new
corroded
Outside
Mean
External Pressure DesignLength of Shell L
Thickness selected for ext press design
Outside Diameter
Factor A AFactor B B
Allowable external pressure
Design thickness for external pressure
Maximum All. Ext. Press. Hot and CorrodedLength of Shell or stiff. Ring spacing LThickness selected for ext press design t
Outside Diameter
Factor A AFactor B B
Max. Allowable external pressure
Extreme Fibre Elongation
Lc
tdesign
tnom
tnew
Rnom
Rnew
Rcor
Ro
Rm
ta
Do
Do / ta
L/Do
Pa
ta.design
Do
Do / t
L/Do
Pa
Extreme fibre elongation exceeds 5%
Coincident ratio calculation
Design MDMT
Rated MDMT
Material impact test exemption temperature
Coincident ratio
Fig UCS-66.1M MDMT reduction
Stiffening ring calculation
Design external pressureDistance from previous ring or supportDistance to next ring and supportLength of Shell or stiff. Ring spacing L
Thickness selected for ext press design t
Outside Diameter
Factor A AFactor B B
Max. Allowable external pressure
Stiffening ring selectedhb
Area of stiffness ring
b h Area AArea 1 25.00 250.00 6250.00Area 2 77.91 5.50 428.48∑ 6678.48
Available moment of ineria
Factor B for stiffening ring calc BFactor A A
Rf
1/R0
Pext
Ls
Do
Do / t
L/Do
Pa
As
Is
Required moment of inertiaIs available I is more than required I
Weld size of Stiffening ringMin. fillet weld size per UG-30(f)(1)
Radial pressure load on stiff ringRadial shear load on stiff ring VFirst moment of area QWeld shear flow due to radial shear load VQ/IsCombined weld load F
Allowable shear stress for fillet weld
Reqired size of fillet weld
Provided fillet weld size
Allowable Compressive Stress Hot and Corroded
Factor A, strain A
Factor B, allowable compress stress B
Allowable stress in tension S
Allowable compressive stress min (B, S)
Allowable Compressive Stress Hot and New
Outside radius
Factor A, strain A
Factor B, allowable compress stress B
Allowable stress in tension S
Allowable compressive stress min (B, S)
Allowable Compressive Stress Cold and New
Outside radius
Factor A, strain A
Factor B, allowable compress stress B
Allowable stress in tension S
Allowable compressive stress min (B, S)
Allowable Compressive Stress Cold and Corroded
Is.req
Fr
Sw
tw
tw
ScHC
Ro
0.125/(Ro/tnew)
ScHN
Ro
0.125/(Ro/tnew)
ScCN
Outside radius
Factor A, strain A
Factor B, allowable compress stress B
Allowable stress in tension S
Allowable compressive stress min (B, S)
Allowable Compressive Stress Vacuum and Corroded
Outside radius
Factor A, strain A
Factor B, allowable compress stress B
Allowable stress in tension S
Allowable compressive stress min (B, S)
Operating, Hot and CorrodBottom seam
Pressure
Bending
Weight
Weight (compression)
Total thickness in tension
Total thickness in compression
MAWP (longitudinal stress) MAWP
Operating, Hot and New, Bottom seam
Pressure
Bending
Weight
Weight (compression)
Total thickness in tension
Total thickness in compression
MAWP (longitudinal stress) MAWP
Shutdown, Hot and CorrodBottom seam
Pressure
Bending
Weight
Weight (compression)
Ro
0.125/(Ro/t)
ScCC
Ro
0.125/(Ro/t)
ScVC
tp
tm
tw
twc
tp+tm-tw tt
tm+twc-tp tc
tp
tm
tw
twc
tp+tm-tw tt
tm+twc-tp tc
tp
tm
tw
twc
Total thickness in tension
Total thickness in compression
Shutdown, Hot and New, Bottom seam
Pressure
Bending
Weight
Weight (compression)
Total thickness in tension
Total thickness in compression
Empty, Cold and Corro Bottom seam
Pressure
Bending
Weight
Weight (compression)
Total thickness in tension
Total thickness in compression
Empty, Cold and New, Bottom seam
Pressure
Bending
Weight
Weight (compression)
Total thickness in tension
Total thickness in compression
Shutdown, Hot and Corroded, Weight & Eccentric Moments only,
Pressure
Bending
Weight
Weight (compression)
Total thickness in tension
Total thickness in compression
tp+tm-tw tt
tm+twc-tp tc
tp
tm
tw
twc
tp+tm-tw tt
tm+twc-tp tc
tp
tm
tw
twc
tp+tm-tw tt
tm+twc-tp tc
tp
tm
tw
twc
tp+tm-tw tt
tm+twc-tp tc
tp
tm
tw
twc
tp+tm-tw tt
tm+twc-tp tc
Vessel Design Calc
Item No. Item Name1 Ed 2007 Add 09
Shell
Normalized NoFine Grain NoPWHT NoImpact Test No
6.7 bar(g)0.68 (Mpa)
1.03 bar(g)0.10 (Mpa)
65
50.5 (mm)
115 (Mpa)
3200 (mm) SG = 1
3200 (mm) SG = 1 (Vertical)
0.031 (Mpa)0.310 bar(g)
0.031 (Mpa) (Vertical)0.310 bar(g)
Spot RT-3 Type 1Spot RT-3 Type 1
0.850.85
900 (mm)901 (mm)
6 (mm)(mm)
0C0C
3500 (mm)
(mm) 3.79
(mm) 6
(mm) 6
(mm) 5.5
(MPa) 1.15(bar) 11.38
(MPa) 1.29(bar) 12.76
(mm) 450
(mm) 900
(mm) 450.5
(mm) 456
(mm) 453
(mm) 3500
(mm) 7.5
(mm) 912.00
121.60
3.840.00022
22.00
(Mpa) 0.241bar(g) 2.381
(mm) 8
(mm) 3500(mm) 5.5
(mm) 912.00
165.82
3.840.000220
22.00
(Mpa) 0.177bar(g) 1.746
(%) 0.67
(P+Ps)*R/(S*E-0.6*P) + C.A.
(= tnom )
(tnom - CA)
S*E*t/(R+0.6*t) - Ps
S*E*t/(R+0.6*t) - Ps
=4B/3(Do/ta)
=4B/3(Do/t)
50*(tnom/Rf)*(1-Rf/R0)
(mm) 450
(mm) 0No
5
-196
0.63
(Mpa) 0.107945.67
9500(mm) 9500
(mm) 8722.835(mm) 5.5
(mm) 912.00
165.82
10.420.000200
(Mpa) 19.00
(Mpa) 0.153bar(g) 1.508
Flat bar, 1x10(mm) 250(mm) 25
(mm2) 6250
Y Y2 AY AY2 I C130.50 17030.25 815625.00 106439062.50 32552083.33
2.75 7.56 1178.33 3240.41 1080.14816803.33 106442302.91 32553163.47 122.3037124
(mm4) 39,097,387
(Mpa) 11.480.00019
0C0C0C
(tdesign/tnom)0C
=4B/3(Do/t)
=(3/4)*PD0/(t+As/Ls)
(mm4) 786,178 Yes
(mm) 5.5 =min(6, t, b)
(N/mm) 910.36(N) 8302.45 =0.01PLsDomm3 816803.33(N/mm) 8625.87(N/mm) 8673.77
(Mpa) 75.9
(mm) 80.82
(mm) 9
(table CS-2)
7.6
(table CS-2)
mm
(table CS-2)
mm
(table CS-2)
=[Do2LS(t+As/Ls)A]/10.9
=PLs
=0.125/(Ro/t)
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
mm
(table CS-2)
mm
mm
mm
mm
mm
mm
mm
bar
mm
mm
mm
mm
mm
mm
bar
mm 0
mm
mm
mm
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
kg/cm2
=P*Rcor/(2*St*Ks*Ec + 0.4*P)
=M/(π*Rm2*St*Ks*Ec)*metric factor
=0.6*W/(2*π*Rm*St*Ks*Ec)*metric factor
=W/(2*π*Rm*St*Ks*Ec)*metric factor
=2*St*Ks*Ec *(t-tm+tw)/(Rcor-0.4*(t-tm+tw)
=P*Rnew/(2*St*Ks*Ec + 0.4*P)
=M/(π*Rm2*St*Ks*Ec)*metric factor
=0.6*W/(2*π*Rm*St*Ks*Ec)*metric factor
=W/(2*π*Rm*St*Ks*Ec)*metric factor
=2*St*Ks*Ec *(tnew-tm+tw)/(Rnew-0.4*(t-tm+tw)
=M/(π*Rm2*Sc*Ks)*metric factor
=0.6*W/(2*π*Rm*Sc*Ks)*metric factor
=W/(2*π*Rm*Sc*Ks)*metric factor
mm
mm
mm 0
mm
mm
mm
mm
mm
mm 0
mm
mm
mm
mm
mm
mm 0
mm
mm
mm
mm
mm
Hot and Corroded, Weight & Eccentric Moments only, Bottom seam
mm 0
mm
mm
mm
mm
mm
=M/(π*Rm2*Sc*Ks)*metric factor
=0.6*W/(2*π*Rm*Sc*Ks)*metric factor
=W/(2*π*Rm*Sc*Ks)*metric factor
=M/(π*Rm2*Sc*Ks)*metric factor
=0.6*W/(2*π*Rm*Sc*Ks)*metric factor
=W/(2*π*Rm*Sc*Ks)*metric factor
=M/(π*Rm2*Sc*Ks)*metric factor
=0.6*W/(2*π*Rm*Sc*Ks)*metric factor
=W/(2*π*Rm*Sc*Ks)*metric factor
=M/(π*Rm2*Sc*Ks)*metric factor
=0.6*W/(2*π*Rm*Sc*Ks)*metric factor
=W/(2*π*Rm*Sc*Ks)*metric factor
Vessel Design Calc
Shell
Volume and Wt Calc
Dia. Length thick. Rating Vol Surf Area Qty.mm mm mm m3 m2
Shell 900 2900 8 1.84 8.20 1SE Head 900 8 0.095 0.88 2Flange 50 300# 5Flange 80 150# 1Flange 150 150# 2Flange 300 150# 1
Nozzle 50 300 8 0.0006 0.047 5Nozzle 80 300 8 0.0015 0.075 1
Nozzle 150 300 8 0.0053 0.141 2
Nozzle 300 300 8 0.0212 0.283 1Allow.
Total 2.03 9.96
//(add 2*CA to new diameter)
//(BGS-MD-001)
(corroded at 65 deg C) per UG-27 ( c )(1)
(corroded at 260 deg C) per UG-27 ( c )(1)
(new at 65 deg C) per UG-27 ( c )(1)
(including 1/3*h for both heads)
//(iterative thickness)
(ASME II, Part D, Subpart 3, Figure G)(ASME II, Part D, Subpart 3, Figure CS-2)
//(including 1/3*h for both heads)
(ASME II, Part D, Subpart 3, Figure G)(ASME II, Part D, Subpart 3, Figure CS-2) //mat. St. in compression
UCS-79(d)
(Rated MDMT is governed by UCS-66(b)(2)
(from Fig UCS-66M Curve D)
39097386.83
(ASME II, Part D, Subpart 3, Figure CS-2)
Is
(combined shell plus ring area)
c)*metric factor
t*Ks*Ec)*metric factor
*Ec)*metric factor
+tw)/(Rcor-0.4*(t-tm+tw)
c)*metric factor
t*Ks*Ec)*metric factor
*Ec)*metric factor
m+tw)/(Rnew-0.4*(t-tm+tw)
)*metric factor
c*Ks)*metric factor
)*metric factor
M = eccentric moment
)*metric factor
c*Ks)*metric factor
)*metric factor
)*metric factor
c*Ks)*metric factor
)*metric factor
)*metric factor
c*Ks)*metric factor
)*metric factor
)*metric factor
c*Ks)*metric factor
)*metric factor
Mass Wt.Mass Density S.G. Empt Op. Test Empt Op. Testlbs kg/m3 tons tons tons kN kN kN
7850 1 0.515 2.358898 2.359 5.051 23.141 23.1417850 1 0.110 0.205708 0.206 1.082 2.018 2.018
10 0.005 0.04516 0.007 0.07145 0.020 0.201
140 0.064 0.624
7850 1 0.015 0.015386 0.015 0.145 0.151 0.1517850 1 0.005 0.006242 0.006 0.046 0.061 0.061
7850 1 0.018 0.023055 0.023 0.174 0.226 0.226
7850 1 0.018 0.038951 0.039 0.174 0.382 0.3820.100 10% 10% 10% 10% 10%
0.854 2.913 2.913 8.376 28.577 28.577