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Nominal O.D.   Schedule Number
Pipe Size inches  
10
20
30
40
60
80
100
120
140
160
XXH
1/8" .405" Wall Thick. 0.049   0.057 0.068   0.095          
WT./FT. 0.190   0.210 0.240   0.310          
1/4" .540" Wall Thick. 0.065   0.073 0.088   0.119          
WT./FT. 0.330   0.360 0.430   0.540          
3/8" .675" Wall Thick. 0.065   0.073 0.091   0.126          
WT./FT. 0.420   0.470 0.570   0.740          
1/2" .840" Wall Thick. 0.083   0.095 0.109   0.147       0.188 0.294
WT./FT. 0.670   0.760 0.850   1.09       1.31 1.72
3/4" 1.050" Wall Thick. 0.083   0.095 0.113   0.154       0.219 0.308
WT./FT. 0.860   0.970 1.13   1.48       1.95 2.44
1" 1.315" Wall Thick. 0.109   0.114 0.133   0.179       0.250 0.358
WT./FT. 1.41   1.46 1.68   2.17       2.85 3.66
1 1/4" 1.660" Wall Thick. 0.109   0.117 0.140   0.191       0.250 0.382
WT./FT. 1.81   1.93 2.27   3.00       3.77 5.22
1 1/2" 1.900" Wall Thick. 0.109   0.125 0.145   0.200       0.281 0.400
WT./FT. 2.09   2.37 2.72   3.63       4.86 6.41
2" 2.375" Wall Thick. 0.109   0.125 0.154   0.218       0.344 0.436
WT./FT. 2.64   3.01 3.66   5.03       7.47 9.04
2 1/2" 2.875" Wall Thick. 0.120   0.188 0.203   0.276       0.375 0.552
WT./FT. 3.53   5.40 5.80   7.67       10.02 13.71
3" 3.5" Wall Thick. 0.120   0.188 0.216   0.300       0.438 0.600
WT./FT. 4.34   6.66 7.58   10.26       14.34 18.60
3 1/2" 4.0" Wall Thick. 0.120   0.188 0.226   0.318         0.636
WT./FT. 4.98   7.66 9.12   12.52         22.87
4" 4.50" Wall Thick. 0.120   0.188 0.237   0.337   0.438   0.531 0.674
WT./FT. 5.62   8.67 10.80   15.00   19.02   22.53 27.57
5" 5.563" Wall Thick. 0.134     0.258   0.375   0.500   0.625 0.750
WT./FT. 7.78     14.63   20.80   27.06   32.99 38.59
6" 6.625" Wall Thick. 0.134     0.280   0.432   0.562   0.719 0.864
WT./FT. 9.30     18.99   28.60   36.43   45.39 53.21
8" 8.625" Wall Thick. 0.148 0.250 0.277 0.322 0.406 0.500 0.594 0.719 0.812 0.906 0.875
WT./FT. 13.41 22.38 24.72 28.58 35.67 43.43 51.00 60.77 67.82 74.76 72.49
10" 10.75" Wall Thick. 0.165 0.250 0.307 0.365 0.500 0.594 0.719 0.844 1.000 1.125 1.000
WT./FT. 18.67 28.06 34.27 40.52 54.79 64.49 77.10 89.38 104.23 115.75 104.23
12" 12.75" Wall Thick. 0.180 0.250 0.330 0.406 0.562 0.688 0.844 1.000 1.125 1.312 1.000
WT./FT. 24.19 33.41 43.81 53.57 73.22 88.71 107.42 125.61 139.81 160.42 125.61
14" 14" Wall Thick. 0.250 0.312 0.375 0.438 0.594 0.750 0.938 1.094 1.250 1.406  
WT./FT. 36.75 45.65 54.62 63.50 85.13 106.23 130.98 150.93 170.37 189.29  
16" 16" Wall Thick. 0.250 0.312 0.375 0.500 0.656 0.844 1.031 1.219 1.438 1.594  
WT./FT. 42.09 52.32 62.64 82.85 107.60 136.74 164.98 192.61 223.85 245.48  
18" 18" Wall Thick. 0.250 0.312 0.438 0.562 0.750 0.938 1.156 1.375 1.562 1.781  
WT./FT. 47.44 58.99 82.23 104.76 138.30 171.08 208.15 244.37 274.48 308.79  
20" 20" Wall Thick. 0.250 0.375 0.500 0.594 0.812 1.031 1.281 1.500 1.750 1.969  
WT./FT. 52.78 78.67 104.23 123.23 166.56 209.06 256.34 296.65 341.41 379.53  
22" 22" Wall Thick. 0.250 0.375 0.500   0.875 1.125 1.375 1.625 1.875 2.125  
WT./FT. 58.13 86.69 114.92   197.60 251.05 303.16 353.94 403.38 451.49