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Pipe Thk Calc
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Pipe Thk Calc
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INPUT OUTPUT
PIPE MATERIAL
Outer Dia of Pipe Mechanical Allowance Weld Joint Efficiency
TEMP P S Y E D c W
tm
=
check tm
=
DESIGN TEMPERATURE DESIGN PRESSURE Allowable Stress
= = = = = = = = =
REFER TABLE 32 0 C 4000 kPa 266827.17 kpa 0.4 0.85 355.6 mm 0.5 mm 1
3.61 Thickness accepted as it is
Thickness of pipe selected Thickness to compare
T Tc
= =
5.2 4.55
Allowable Pressure
Pa
=
5202.66
CONVERSION ksi kPa 38.7 266827.17
Branch reinforcement calculation DESIGN PRESSURE RANGE CORROSION ALLOWENCE "c" BRANCH ANGLE HEADER PIPE SIZE OD THK Th
= = = = = = =
0 0 90
TO Sin90
36" (900NB) 914.4 12.70 11.11 THK AFTER REDUCING MIL
BRANCH PIPE SIZE OD THK Tb REINFORCEMENT PAD PIPE SIZE OD THK Tr
L4
= = = =
2" (50NB) 60.33 3.18 2.78
THK AFTER REDUCING MIL
= = = =
1" (25NB) 33.4 0 0
THK AFTER REDUCING MIL
=
27.78 6.95
=
6.95
d1
=
54.77
d2
= =
41.28 54.77
th
=
3.42
tb
=
0.16
tc MIN. LEG DIM. OF FILLET WELD
= =
2.23 3.15
REQ. REINF. AREA ( A1)
=
187.31
THE REINF AREA IN RUN WALL (A2)
=
421.18
THE REINF AREA IN BR WALL (A3)
=
145.57
THE REINF AREA IN BR WELD (A4) A2+A3+A4
= =
4.96 571.71
RESULT
=
LESSER VALUE OF L4 SELECTED
HIGHEST VALUE BETWEEN d1 & d2
NO ADDITION REINFORCEMENT REQU
Design Pressure (Barg)
MATERIAL PIPE SIZE PIPE OD 10 15 20 25 30 35 40 45 48
pted as it is
1" (25NB) 33.4
1.5" (40NB) 48.26
2" (50NB) 60.33
3.18 (SCH30) 2.9 (SCH30)
3.68 (SCH 40)
3.91 (SCH40)
Selected Pipe THK Accepted After considering Manufacturing Tolerance 12.5%. kPa
52.03 Barg
20
Barg
Allowable Internal Design pressure with THK 5.2mm
2000 kPa
1 E
=
1
HK AFTER REDUCING MILL TOLERANCE (12.5%)
E
=
0.8
HK AFTER REDUCING MILL TOLERANCE (12.5%)
HK AFTER REDUCING MILL TOLERANCE (12.5%)
REINFORCEMENT REQUIRED TO SUSTAIN THE INTERNAL PRESSURE
HK 5.2mm
PRO ASTM A-312 TP316L (E=0.85) 2.5" (65NB) 3" (75NB) 4" (100NB) 73.03 88.9 114.3 3.05 SCH10
3.05 SCH10
3.05 SCH10
4.78 SCH30 4.78 SCH30
4.78 SCH30 6.02 SCH40
5" (125NB) 141.3
6" (150NB) 168.28
3.4 SCH10
3.4 SCH10
6.55 SCH40
7.11 SCH40
PROPOSED THICKNESS OF PIPES PIPE SIZE & OD OF PIPE 8" (200NB) 219.08 3.76 SCH10
10" (250NB) 273.05 4.19 SCH10 6.35 SCH20
6.35 SCH20 7.04 SCH30 8.18 SCH40
ASTM A-358 CLASS 5 316L (E=0.9) 12" (300NB) 14" (350NB) 16" (400NB) 323.85 355.6 406.4 4.57 SCH10 6.35 SCH20
4.78 SCH10S 6.35 SCH10 7.92 SCH20
7.8 SCH30
8.38 SCH30
9.27 SCH40
10.31 SCH40
12.7 SCH60
14.27 SCH60
6.35 SCH10 7.92 SCH20 9.53 SCH30
9.53 SCH30 11.13 SCH40 15.09 SCH60
12.7 SCH40
IPES 18" (450NB) 457.2 6.35 SCH10 7.92 SCH20 11.13 SCH30 14.27 SCH40
20" (500NB) 508
22" (550NB) 558.8
ASTM A-358 CLASS 1 316L (E=1.0) 24" (600NB) 26" (650NB) 609.6 660.4
6.35 SCH10
6.35 SCH10
6.35 SCH10
9.53 SCH20
9.53 SCH20
9.53 SCH20
9.53 SCH-STD 12.7 SCH20
12.7 SCH30 12.7 SCH30 15.09 SCH40
7.92 SCH10
22.23 SCH60
14.27 SCH30 17.48 SCH40
HIGHER THICKNESS NOT AVAILAVLE
358 CLASS 1 316L (E=1.0) 28" (700NB) 30" (750NB) 711.2 762 6.35 SCH5S 7.92 SCH10 7.92 SCH10 9.53 SCH-STD 9.53 SCH-STD 12.7 SCH20 12.7 SCH20 15.88 SCH30 15.88 SCH30 HIGHER THK NOT HIGHER THK NOT AVAILAVLE AVAILAVLE
32" (800NB) 812.8 7.92 SCH10 12.7 SCH20 15.88 SCH30 HIGHER THK NOT AVAILAVLE
34" (850NB) 863.6 7.92 SCH10 9.53 SCH-STD 12.7 SCH20 15.88 SCH30 HIGHER THK NOT AVAILAVLE
36" (900NB) 914.4 7.92 SCH10 9.53 SCH-STD 12.7 SCH20 15.88 SCH30 19.05 SCH40 HIGHER THK NOT AVAILAVLE
Design Pressure (Barg)
PIPE OD 1 10 15 20 25 30 35 40 45 48
Thickness accepted as it is
NO ADDITION REINFORCEMENT REQUIRED TO SUSTAIN T ADDITION REINFORCEMENT REQUIRED TO SUSTAIN THE
THICKNESS OF PIPE IS NOT AVAILABLE FOR PRESSURE 20 THK NA
0.8 0.85 0.9 1
33.4
48.26 2
2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9
60.33 3
3.68 3.68 3.68 3.68 3.68 3.68 3.68 3.68 3.68
73.03 4
3.18 3.18 3.18 3.18 3.18 3.18 3.91 3.91 3.91
QUIRED TO SUSTAIN THE INTERNAL PRESSURE ED TO SUSTAIN THE INTERNAL PRESSURE
LE FOR PRESSURE 20 Barg
88.9 5
3.05 3.05 3.05 3.05 4.78 4.78 4.78 4.78 4.78
114.3 6
3.05 3.05 3.05 4.78 4.78 4.78 4.78 4.78 4.78
141.3 7
3.05 3.05 4.78 4.78 4.78 4.78 4.78 6.02 6.02
168.28 8
3.4 3.4 6.55 6.55 6.55 6.55 6.55 6.55 6.55
9 3.4 3.4 7.11 7.11 7.11 7.11 7.11 7.11 7.11
219.08 10 3.76 3.76 6.35 6.35 6.35 7.04 8.18 8.18 8.18
273.05 11 4.19 6.35 6.35 6.35 7.8 7.8 9.27 9.27 12.7
323.85 12 4.57 4.57 6.35 6.35 8.38 8.38 10.31 10.31 14.27
355.6
406.4 13
4.78 4.78 6.35 7.92 7.92 9.53 11.13 11.13 15.09
457.2 14
6.35 6.35 6.35 7.92 9.53 12.7 12.7 12.7 12.7
508 15
6.35 6.35 6.35 7.92 11.13 11.13 11.13 14.27 14.27
558.8 16
6.35 6.35 9.53 9.53 9.53 12.7 12.7 15.09 15.09
17 6.35 6.35 9.53 9.53 12.7 12.7 22.23 22.23 22.23
609.6
660.4 18
6.35 6.35 9.53 9.53 14.27 14.27 14.27 17.48 17.48
19 7.92 7.92 9.53 12.7 12.7 THK NA THK NA THK NA THK NA
711.2 20 7.92 7.92 9.53 12.7 12.7 15.88 15.88 THK NA THK NA
762 21 6.35 7.92 9.53 12.7 15.88 15.88 THK NA THK NA THK NA
812.8 22 7.92 7.92 12.7 12.7 15.88 15.88 THK NA THK NA THK NA
863.6
914.4 23
7.92 9.53 12.7 15.88 THK NA THK NA THK NA THK NA
24 7.92 9.53 12.7 15.88 15.88 19.05 THK NA THK NA THK NA
BRANCH SIZE
900 BRANCH CONNECTION TABLE AT DESIGN PRESSURE RANGE 0-10 Barg 32
T
T
30
TR
T
28
TR/ST
TR
26
TR/ST TR/ST
TR
EQUAL TEE + REDUCER
ST
STUB IN
HC
HALF COUPLING
T TR
T
24
ST
22
ST
ST
20
ST
ST
ST
18
ST
ST
ST
ST
16
ST
ST
ST
ST
ST
14
ST
ST
ST
ST
ST
ST
12
ST
ST
ST
ST
ST
ST
ST
10
ST
ST
ST
ST
ST
ST
ST
ST
8
ST
ST
ST
ST
ST
ST
ST
ST
ST
6
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
4
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
3
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
2
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
1.5
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
1
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
0.75
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
0.5
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
TR/ST TR/ST
TR
TR/ST TR/ST
T
EQUAL TEE
TR
TR/ST TR/ST
TR/ST T TR
TR/ST TR/ST
IF SPACE AVIALABLE THEN USE TEE+REDUCER UNLESS
STR
STUB IN WITH REINFORCEMENT PAD
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
HEADER SIZE
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
T TR
T
HC
TR
TR
HC
HC
TR
TR
3
2
1.5
1
TR/ST TR/ST
UCER UNLESS USE STUB IN
T TR
T
0.75 0.5
BRANCH SIZE
900 BRANCH CONNECTION TABLE AT DESIGN PRESSURE RANGE 0-10 Barg 32
T
T
30
TR
T
28
TR/ST
TR
26
TR/ST TR/ST
TR
EQUAL TEE + REDUCER
ST
STUB IN
HC
HALF COUPLING
T TR
T
24
ST
22
ST
ST
20
ST
ST
ST
18
ST
ST
ST
ST
16
ST
ST
ST
ST
ST
14
ST
ST
ST
ST
ST
ST
12
ST
ST
ST
ST
ST
ST
ST
10
ST
ST
ST
ST
ST
ST
ST
ST
8
ST
ST
ST
ST
ST
ST
ST
ST
ST
6
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
4
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
3
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
2
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
1.5
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
1
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
0.75
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
0.5
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
TR/ST TR/ST
TR
TR/ST TR/ST
T
EQUAL TEE
TR
TR/ST TR/ST
TR/ST
IF SPACE AVIALABLE THEN USE TEE+REDUCER UNLESS
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
HEADER SIZE
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
TR/ST TR/ST
T TR
T TR
T
HC
TR
TR
HC
HC
TR
TR
3
2
1.5
1
TR/ST TR/ST
UCER UNLESS USE STUB IN
T TR
T
0.75 0.5
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