Pipe Thk Calc

17
INPUT OUTPUT PIPE MATERIAL = REFER TABLE DESIGN TEMPERATURE TEMP = 32 DESIGN PRESSURE P = 4000 kPa Allowable Stress S = 266827.17 kpa Y = 0.4 E = 0.85 Outer Dia of Pipe D = 355.6 mm Mechanical Allowance c = 0.5 mm Weld Joint Efficiency W = 1 tm = 3.61 Thickness accepted as check tm<D/6 = 59.27 Thickness of pipe selected T = 5.2 Thickness to compare Tc = 4.55 Allowable Pressure Pa = 5202.66 CONVERSION ksi kPa 38.7 266827.173 Branch reinforcement calculation DESIGN PRESSURE RANGE = 0 TO CORROSION ALLOWENCE "c" = 0 BRANCH ANGLE = 90 Sin90 HEADER PIPE SIZE = 36" (900NB) OD = 914.4 THK = 12.70 = 11.11 THK AFTER 0 C Th

Transcript of Pipe Thk Calc

Page 1: Pipe Thk Calc

INPUTOUTPUT

PIPE MATERIAL = REFER TABLE

DESIGN TEMPERATURE TEMP = 32DESIGN PRESSURE P = 4000 kPaAllowable Stress S = 266827.17 kpa

Y = 0.4E = 0.85

Outer Dia of Pipe D = 355.6 mmMechanical Allowance c = 0.5 mmWeld Joint Efficiency W = 1

tm = 3.61 Thickness accepted as it is <D/6

check tm<D/6 = 59.27

Thickness of pipe selected T = 5.2 Selected Pipe THK AcceptedThickness to compare Tc = 4.55 After considering Manufacturing Tolerance 12.5%.

Allowable Pressure Pa = 5202.66 kPa 52.03

CONVERSIONksi kPa

38.7 266827.173

Branch reinforcement calculation

DESIGN PRESSURE RANGE = 0 TO 20 BargCORROSION ALLOWENCE "c" = 0

BRANCH ANGLE = 90 Sin90 1HEADER PIPE

SIZE = 36" (900NB) E =OD = 914.4THK = 12.70

= 11.11 THK AFTER REDUCING MILL TOLERANCE (12.5%)

0 C

Th

Page 2: Pipe Thk Calc

BRANCH PIPESIZE = 2" (50NB) E =OD = 60.33THK = 3.18

= 2.78 THK AFTER REDUCING MILL TOLERANCE (12.5%) REINFORCEMENT PAD PIPE

SIZE = 1" (25NB)OD = 33.4THK = 0

= 0 THK AFTER REDUCING MILL TOLERANCE (12.5%)

= 27.786.95

= 6.95

= 54.77= 41.275

HIGHEST VALUE BETWEEN d1 & d2 = 54.77

= 3.42= 0.16= 2.226

MIN. LEG DIM. OF FILLET WELD = 3.15

= 187.31= 421.18= 145.57= 4.96

A2+A3+A4 = 571.71

RESULT = NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE

Tb

Tr

L4

LESSER VALUE OF L4 SELECTED

d1

d2

th

tb

tc

REQ. REINF. AREA ( A1)

THE REINF AREA IN RUN WALL (A2)

THE REINF AREA IN BR WALL (A3)

THE REINF AREA IN BR WELD (A4)

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PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE

MATERIAL ASTM A-312 TP316L (E=0.85)PIPE SIZE 1" (25NB) 1.5" (40NB) 2" (50NB) 2.5" (65NB) 3" (75NB) 4" (100NB)PIPE OD 33.4 48.26 60.33 73.03 88.9 114.3

Des

ign

Pres

sure

(Bar

g)

10

2.9 (SCH30) 3.68 (SCH 40)

3.18 (SCH30)3.05 SCH10

3.05 SCH103.05 SCH10

1520

4.78 SCH30

25

4.78 SCH30

30

4.78 SCH303540

3.91 (SCH40)4548 6.02 SCH40

Selected Pipe THK AcceptedAfter considering Manufacturing Tolerance 12.5%.

Barg Allowable Internal Design pressure with THK 5.2mm

2000 kPa

1

THK AFTER REDUCING MILL TOLERANCE (12.5%)

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0.8

THK AFTER REDUCING MILL TOLERANCE (12.5%)

THK AFTER REDUCING MILL TOLERANCE (12.5%)

NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE

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PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE

ASTM A-312 TP316L (E=0.85) ASTM A-358 CLASS 5 316L (E=0.9)5" (125NB) 6" (150NB) 8" (200NB) 10" (250NB) 12" (300NB) 14" (350NB) 16" (400NB)

141.3 168.28 219.08 273.05 323.85 355.6 406.4

3.4 SCH10 3.4 SCH10 3.76 SCH104.19 SCH10

4.57 SCH10 4.78 SCH10S6.35 SCH10

6.35 SCH20

6.55 SCH40 7.11 SCH40

6.35 SCH206.35 SCH20

6.35 SCH10

7.92 SCH207.92 SCH20

7.8 SCH30 8.38 SCH309.53 SCH30

7.04 SCH30 9.53 SCH30

12.7 SCH408.18 SCH40

9.27 SCH40 10.31 SCH40 11.13 SCH40

12.7 SCH60 14.27 SCH60 15.09 SCH60

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PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE

ASTM A-358 CLASS 1 316L (E=1.0)18" (450NB) 20" (500NB) 22" (550NB) 24" (600NB) 26" (650NB) 28" (700NB) 30" (750NB)

457.2 508 558.8 609.6 660.4 711.2 762

6.35 SCH106.35 SCH10 6.35 SCH10 6.35 SCH10 7.92 SCH10 7.92 SCH10

6.35 SCH5S7.92 SCH10

9.53 SCH209.53 SCH20 9.53 SCH20

9.53 SCH-STD 9.53 SCH-STD 9.53 SCH-STD7.92 SCH20

12.7 SCH20 12.7 SCH2012.7 SCH20

11.13 SCH3012.7 SCH30

14.27 SCH3015.88 SCH30

12.7 SCH30 15.88 SCH30

22.23 SCH6014.27 SCH40 15.09 SCH40 17.48 SCH40

HIGHER THICKNESS

NOT AVAILAVLE

HIGHER THK NOT

AVAILAVLEHIGHER THK NOT

AVAILAVLE

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PROPOSED THICKNESS OF PIPESPIPE SIZE & OD OF PIPE

ASTM A-358 CLASS 1 316L (E=1.0)32" (800NB) 34" (850NB) 36" (900NB)

812.8 863.6 914.4

7.92 SCH107.92 SCH10 7.92 SCH10

9.53 SCH-STD 9.53 SCH-STD

12.7 SCH20 12.7 SCH2012.7 SCH20

15.88 SCH3015.88 SCH30

15.88 SCH3019.05 SCH40

HIGHER THK NOT

AVAILAVLEHIGHER THK

NOT AVAILAVLE

HIGHER THK NOT

AVAILAVLE

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PIPE OD 33.4 48.26 60.33 73.03 88.91 2 3 4 5 6

Des

ign

Pres

sure

(Bar

g)

10 2.9 3.68 3.18 3.05 3.0515 2.9 3.68 3.18 3.05 3.0520 2.9 3.68 3.18 3.05 3.0525 2.9 3.68 3.18 3.05 4.7830 2.9 3.68 3.18 4.78 4.7835 2.9 3.68 3.18 4.78 4.7840 2.9 3.68 3.91 4.78 4.7845 2.9 3.68 3.91 4.78 4.7848 2.9 3.68 3.91 4.78 4.78

Thickness accepted as it is <D/6

Thickness Rejected

Selected Pipe THK AcceptedSelected Pipe THK Reject

NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSUREADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE

THICKNESS OF PIPE IS NOT AVAILABLE FOR PRESSURE 20 BargTHK NA

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0.80.85

0.9

1

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114.3 141.3 168.28 219.08 273.05 323.85 355.6 406.4 457.2 5087 8 9 10 11 12 13 14 15 16

3.05 3.4 3.4 3.76 4.19 4.57 4.78 6.35 6.35 6.353.05 3.4 3.4 3.76 6.35 4.57 4.78 6.35 6.35 6.354.78 6.55 7.11 6.35 6.35 6.35 6.35 6.35 6.35 9.534.78 6.55 7.11 6.35 6.35 6.35 7.92 7.92 7.92 9.534.78 6.55 7.11 6.35 7.8 8.38 7.92 9.53 11.13 9.534.78 6.55 7.11 7.04 7.8 8.38 9.53 12.7 11.13 12.74.78 6.55 7.11 8.18 9.27 10.31 11.13 12.7 11.13 12.76.02 6.55 7.11 8.18 9.27 10.31 11.13 12.7 14.27 15.096.02 6.55 7.11 8.18 12.7 14.27 15.09 12.7 14.27 15.09

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558.8 609.6 660.4 711.2 762 812.8 863.6 914.417 18 19 20 21 22 23 24

6.35 6.35 7.92 7.92 6.35 7.92 7.92 7.926.35 6.35 7.92 7.92 7.92 7.92 9.53 9.539.53 9.53 9.53 9.53 9.53 12.7

12.712.7

9.53 9.53 12.7 12.7 12.7 12.7 15.8812.7 14.27 12.7 12.7 15.88 15.88 15.88 15.8812.7 14.27 THK NA 15.88 15.88 15.88 THK NA 19.05

22.23 14.27 THK NA 15.88 THK NA THK NA THK NA THK NA22.23 17.48 THK NA THK NA THK NA THK NA THK NA THK NA22.23 17.48 THK NA THK NA THK NA THK NA THK NA THK NA

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BRA

NCH

SIZ

E

32 T T EQUAL TEE

30 TR T TR EQUAL TEE + REDUCER

28 TR/ST TR T ST STUB IN

26 TR/ST TR/ST TR T HC HALF COUPLING

24 ST TR/ST TR/ST TR T TR/ST IF SPACE AVIALABLE THEN USE TEE+REDUCER UNLESS USE STUB IN

22 ST ST TR/ST TR/ST TR T STR STUB IN WITH REINFORCEMENT PAD

20 ST ST ST TR/ST TR/ST TR T

18 ST ST ST ST TR/ST TR/ST TR T

16 ST ST ST ST ST TR/ST TR/ST TR T

14 ST ST ST ST ST ST TR/ST TR/ST TR T

12 ST ST ST ST ST ST ST TR/ST TR/ST TR T

10 ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

8 ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

6 ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

4 ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

3 ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

2 ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

1.5 ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

1 ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

0.75 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR T

0.5 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR TR T

32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 3 2 1.5 1 0.75 0.5

HEADER SIZE

90 0 BRANCH CONNECTION TABLE AT DESIGN PRESSURE RANGE 0-10 Barg

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BRA

NCH

SIZ

E

32 T T EQUAL TEE

30 TR T TR EQUAL TEE + REDUCER

28 TR/ST TR T ST STUB IN

26 TR/ST TR/ST TR T HC HALF COUPLING

24 ST TR/ST TR/ST TR T TR/ST IF SPACE AVIALABLE THEN USE TEE+REDUCER UNLESS USE STUB IN

22 ST ST TR/ST TR/ST TR T

20 ST ST ST TR/ST TR/ST TR T

18 ST ST ST ST TR/ST TR/ST TR T

16 ST ST ST ST ST TR/ST TR/ST TR T

14 ST ST ST ST ST ST TR/ST TR/ST TR T

12 ST ST ST ST ST ST ST TR/ST TR/ST TR T

10 ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

8 ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

6 ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

4 ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

3 ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

2 ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

1.5 ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

1 ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST TR/ST TR/ST TR T

0.75 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR T

0.5 HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC HC TR TR TR T

32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 3 2 1.5 1 0.75 0.5

HEADER SIZE

90 0 BRANCH CONNECTION TABLE AT DESIGN PRESSURE RANGE 0-10 Barg