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8/11/2019 115.G.0 Reinforcement Calculation
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Prepared by : Krisanu Pal
Parameters Symbol Value Unit
Angle between axes of branch and run a 90 Deg
Branch Pipe Size (inch NB)
Branch Pipe Thickness
Branch Pipe Outer Diameter Dob 6.625 inch
Branch Pipe Thickness Tb 0.432 inch
Header Pipe Size (inch NB)
Header Pipe Thickness
Header Pipe Outer Diameter Doh 16 inch
Header Pipe Thickness Th 0.656 inch
Design Pressure P 850 psi
Design Temperature 765 oF
Pipe Material
Corrosion Allowance A 0.065 inch
Allowable Stress of Pipe Material SE 12340.00 psi
Y Factor 0.40
Required minimum wall thickness of Branch Pipe tmb 0.29 inch
Required minimum wall thickness of Header Pipetmh 0.60 inch
inside centerline longitudinal dimension of the finished
branch opening in the run piped1 5.89 inch
Half width of Reinforcing Zone d2 5.89 inch
Thickness of Reinforcement Pad tr 0.25 inch
Altitude of reinforcing zone outside of run L4 1.17 inch
Required reinforcement area for brach connection A7 3.16
inch2
Area provided by the excess pipe wall in Run Pipe A1 0.32
inch2
Area provided by the excess pipe wall in Branch Pipe A2 0.34
inch2
Area provided by the deposited weld metal A3 0.43 inch2
Outer Diameter of Saddle (width:thickness = 4:1) 8.625 inch
Area provided by the Saddle A5 0.50 inch2
Total Reinforcement Area provided 1.59 inch2
BRANCH CONNECTION SUBJECT TO INTERNAL PRESSURE REQUIRING
REINFORCEMENT AS PER ASME B31.1
INCREASE PAD THICKNESS
6
80
16
60
A 106 Gr. B Seamless
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8/11/2019 115.G.0 Reinforcement Calculation
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mm NB inch NB OD 10 20 30 40 60 80 100
8 0.125 0.405 NA NA NA 0.608 NA 0.095 NA
10 0.250 0.540 NA NA NA 0.088 NA 0.119 NA
12 0.375 0.675 NA NA NA 0.091 NA 0.126 NA
15 0.500 0.840 NA NA NA 0.109 NA 0.147 NA
20 0.750 1.050 NA NA NA 0.113 NA 0.154 NA
25 1.000 1.315 NA NA NA 0.133 NA 0.179 NA30 1.250 1.660 NA NA NA
0.140 NA 0.191 NA
40 1.500 1.900 NA NA NA 0.145 NA 0.200 NA
50 2.000 2.375 NA NA NA 0.154 NA 0.218 NA
60 2.500 2.875 NA NA NA 0.203 NA 0.276 NA
80 3.000 3.500 NA NA NA 0.216 NA 0.300 NA
90 3.500 4.000 NA NA NA 0.226 NA 0.318 NA
100 4.000 4.500 NA NA NA 0.237 NA 0.337 NA
125 5.000 5.563 NA NA NA 0.258 NA 0.375 NA
150 6.000 6.625 NA NA NA 0.280 NA 0.432 NA
200 8.000 8.625 NA 0.250 0.277 0.322 0.406 0.500 0.594
250 10.000 10.750 NA 0.250 0.307 0.365 0.500 0.594 0.719
300 12.000 12.750 NA 0.250 0.330 0.406 0.562 0.688 0.844
350 14.000 14.000 0.250 0.312 0.375 0.438 0.594 0.750 0.938
400 16.000 16.000 0.250 0.312 0.375 0.500 0.656 0.844 1.031
450 18.000 18.000 0.250 0.312 0.438 0.562 0.750 0.938 1.156
500 20.000 20.000 0.250 0.375 0.500 0.594 0.812 1.031 1.281
550 22.000 22.000 0.250 0.375 0.500 NA 0.875 1.125 1.375
600 24.000 24.000 0.250 0.375 0.562 0.688 0.969 1.219 1.531
650 26.000 26.000 0.312 0.500 NA NA NA NA NA
700 28.000 28.000 0.312 0.500 0.625 NA NA NA NA
750 30.000 30.000 0.312 0.500 0.625 NA NA NA NA
800 32.000 32.000 0.312 0.500 0.625 0.688 NA NA NA
850 34.000 34.000 0.344 0.500 0.625 0.688 NA NA NA
900 36.000 36.000 0.312 0.500 0.625 0.750 NA NA NA
6 0 0 0 0 0 6 0
0 0 0 0 0 0 0 0
1 2 3 4 5 6 7
10 20 30 40 60 80 100
6.625 6 NA NA NA 0.28 NA 0.432 NA
80 0.432
80
5 0 0 0 0 5 0 0
0 0 0 0 0 0 0 0
1 2 3 4 5 6 7
10 20 30 40 60 80 100
16.000 16 0.25 0.312 0.375 0.5 0.656 0.844 1.031
60 0.65660
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8/11/2019 115.G.0 Reinforcement Calculation
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120 140 160 STD XS XXS 5S 10S 40S
NA NA NA 0.068 0.095 NA NA 0.049 0.068
NA NA NA 0.088 0.119 NA NA 0.065 0.088
NA NA NA 0.091 0.126 NA NA 0.065 0.091
NA NA 0.187 0.109 0.147 0.294 0.065 0.083 0.109
NA NA 0.219 0.113 0.154 0.308 0.065 0.083 0.113
NA NA 0.250 0.133 0.179 0.358 0.065 0.109 0.133NA NA 0.250 0.140
0.191 0.382 0.065 0.109 0.140
NA NA 0.281 0.145 0.200 0.400 0.065 0.109 0.145
NA NA 0.344 0.154 0.218 0.436 0.065 0.109 0.154
NA NA 0.375 0.203 0.276 0.552 0.083 0.120 0.203
NA NA 0.438 0.216 0.300 0.600 0.083 0.120 0.216
NA NA NA 0.226 0.318 NA 0.083 0.120 0.226
0.438 NA 0.531 0.237 0.337 0.674 0.083 0.120 0.237
0.500 NA 0.625 0.258 0.375 0.750 0.109 0.134 0.258
0.562 NA 0.719 0.280 0.432 0.864 0.109 0.134 0.280
0.719 0.812 0.906 0.322 0.500 0.875 0.109 0.148 0.322
0.844 1.000 1.125 0.365 0.500 1.000 0.134 0.165 0.365
1.000 1.125 1.312 0.375 0.500 1.000 0.156 0.180 0.3751.094 1.250
1.406 0.375 0.500 NA 0.156 0.188 NA
1.219 1.438 1.594 0.375 0.500 NA 0.165 0.188 NA
1.375 1.562 1.781 0.375 0.500 NA 0.165 0.188 NA
1.500 1.750 1.969 0.375 0.500 NA 0.188 0.218 NA
1.625 1.875 2.125 0.375 0.500 NA 0.188 0.218 NA
1.812 2.062 2.344 0.375 0.500 NA 0.218 0.250 NA
NA NA NA 0.375 0.500 NA NA NA NA
NA NA NA 0.375 0.500 NA NA NA NA
NA NA NA 0.375 0.500 NA 0.250 0.312 NA
NA NA NA 0.375 0.500 NA NA NA NA
NA NA NA 0.375 0.500 NA NA NA NA
NA NA NA 0.375 0.500 NA NA NA NA
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
8 9 10 11 12 13 14 15 16
120 140 160 STD XS XXS 5S 10S 40S
0.562 NA 0.719 0.28 0.432 0.864 0.109 0.134 0.28
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
8 9 10 11 12 13 14 15 16
120 140 160 STD XS XXS 5S 10S 40S
1.219 1.438 1.594 0.375 0.5 NA 0.165 0.188 NA
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8/11/2019 115.G.0 Reinforcement Calculation
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80S
0.095
0.119
0.126
0.147
0.154
0.1790.191
0.200
0.218
0.276
0.300
0.318
0.337
0.375
0.432
0.500
0.500
0.500NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
17
80S
0.432
0
0
17
80S
NA
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