Pressure Vessel Design Calc - ASME VIII Div 1

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Spreadsheet for Pressure Vessel Thickness Calculation as per ASME BPVC Section VIII Div 1

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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