800-222-6144

Pipe Dimensions

The following chart lists available dimensions for seamless & welded pipes offered by Penn Stainless Products. Pipes are available in a variety of sizes, from 1/8″ outside diameter to 48.”

All measurements listed are in inches unless otherwise noted.

Outside
Diameter
PS = Seamless,
PW = Welded
Nominal
OD
Schedule
Designations
Nominal
Wall
Nominal
ID
Max
ID
Min
ID
1/8 PS & PW 0.405 10 10S 0.049 0.307 0.335 0.255
PS & PW 0.405 STD 40 40S 0.068 0.226 0.302 0.210
PS & PW 0.405 XS 80 80S 0.095 0.225 0.255 0.145
1/4 PS & PW 0.540 10 10S 0.065 0.410 0.442 0.352
PS & PW 0.540 STD 40 40S 0.088 0.364 0.402 0.297
PS & PW 0.540 XS 80 80S 0.119 0.364 0.348 0.222
3/8 PS & PW 0.675 10 10S 0.065 0.545 0.577 0.487
PS & PW 0.675 STD 40 40S 0.091 0.493 0.532 0.425
PS & PW 0.675 XS 80 80S 0.126 0.423 0.471 0.341
1/2 PS & PW 0.840 5 5S 0.065 0.710 0.742 0.652
PS & PW 0.840 10 10S 0.083 0.674 0.711 0.609
PS & PW 0.840 STD 40 40S 0.109 0.622 0.665 0.546
PS & PW 0.840 XS 80 80S 0.147 0.546 0.599 0.455
PS & PW 0.840 160 0.188 0.464 0.527 0.357
PS & PW 0.840 XX 0.294 0.252 0.342 0.102
3/4 PS & PW 1.050 5 5S 0.065 0.920 0.952 0.862
PS & PW 1.050 10 10S 0.083 0.884 0.921 0.819
PS & PW 1.050 STD 40 40S 0.113 0.824 0.868 0.747
PS & PW 1.050 XS 80 80S 0.154 0.742 0.797 0.648
PS & PW 1.050 160 0.219 0.612 0.683 0.492
PS & PW 1.050 XX 0.308 0.434 0.527 0.279
1 PS & PW 1.315 5 5S 0.065 1.185 1.217 1.127
PS & PW 1.315 10 10S 0.109 1.097 1.140 1.021
PS & PW 1.315 STD 40 40S 0.133 1.049 1.098 0.964
PS & PW 1.315 XS 80 80S 0.179 0.957 1.018 0.853
PS & PW 1.315 160 0.250 0.815 0.894 0.683
PS & PW 1.315 XX 0.358 0.559 0.705 0.424
1-1/4 PS & PW 1.660 5 5S 0.065 1.530 1.562 1.472
PS & PW 1.660 10 10S 0.109 1.442 1.485 1.366
PS & PW 1.660 STD 40 40S 0.140 1.380 1.431 1.292
PS & PW 1.660 XS 80 80S 0.191 1.226 1.342 1.170
PS & PW 1.660 160 0.250 1.160 1.239 1.028
PS & PW 1.660 XX 0.382 0.896 1.008 0.711
1-1/2 PS & PW 1.900 5 5S 0.065 1.770 1.802 1.712
PS & PW 1.900 10 10S 0.109 1.682 1.725 1.606
PS & PW 1.900 STD 40 40S 0.145 1.610 1.662 1.520
PS & PW 1.900 XS 80 80S 0.200 1.500 1.566 1.388
PS & PW 1.900 160 0.281 1.338 1.424 1.194
PS & PW 1.900 XX 0.400 1.100 1.216 0.908
2 PS & PW 2.375 5 5S 0.065 2.225 2.293 2.187
PS & PW 2.375 10 10S 0.109 2.157 2.216 2.081
PS & PW 2.375 STD 40 40S 0.154 2.067 2.138 1.973
PS & PW 2.375 XS 80 80S 0.218 1.939 2.026 1.820
PS & PW 2.375 160 0.344 1.687 1.805 1.517
PS & PW 2.375 XX 0.436 1.503 1.644 1.297
2-1/2 PS & PW 2.875 5 5S 0.083 2.709 2.762 2.644
PS & PW 2.875 10 10S 0.120 2.635 2.697 2.555
PS & PW 2.875 STD 40 40S 0.203 2.469 2.552 2.356
PS & PW 2.875 XS 80 80S 0.276 2.323 2.424 2.181
PS & PW 2.875 160 0.375 2.125 2.251 1.943
PS & PW 2.875 XX 0.552 1.771 1.941 1.518
3 PS & PW 3.500 5 5S 0.083 3.334 3.387 3.265
PS & PW 3.500 10 10S 0.120 3.226 3.322 3.174
PS & PW 3.500 STD 40 40S 0.216 3.068 3.154 2.971
PS & PW 3.500 XS 80 80S 0.300 2.900 3.007 2.778
PS & PW 3.500 160 0.483 2.624 2.687 2.357
PS & PW 3.500 XX 0.600 2.300 2.482 2.088
3-1./2 PS & PW 4.000 5 5S 0.083 3.834 3.887 3.765
PS & PW 4.000 10 10S 0.120 3.760 3.822 3.674
PS & PW 4.000 STD 40 40S 0.226 3.548 3.637 3.448
PS & PW 4.000 XS 80 80S 0.318 3.364 3.476 3.237
PS & PW 4.000 XX 0.636 2.728 2.919 2.505
4 PS & PW 4.500 5 5S 0.083 4.334 4.387 4.265
PS & PW 4.500 10 10S 0.120 4.260 4.322 4.174
PS & PW 4.500 STD 40 40S 0.237 4.026 4.117 3.923
PS & PW 4.500 XS 80 80S 0.337 3.826 3.942 3.693
4-1/2 PS & PW 5.000 10 10S 0.247 4.506 4.630 4.363
PS & PW 5.000 STD 40 40S 0.355 4.226 4.441 4.152
PS & PW 5.000 XS 80 80S 0.710 3.580 3.820 3.335
5 PS & PW 5.563 5 5S 0.109 5.345 5.434 5.264
PS & PW 5.563 10 10S 0.134 5.226 5.391 5.203
PS & PW 5.563 STD 40 40S 0.258 5.047 5.174 4.899
PS & PW 5.563 XS 80 80S 0.375 4.813 4.969 4.669
PS & PW 5.563 120 0.500 4.563 4.750 4.381
PS & PW 5.563 160 0.625 4.313 4.531 4.094
PS & PW 5.563 XX 0.750 4.063 4.313 3.806
6 PS & PW 6.625 5 5S 0.109 6.407 6.496 6.326
PS & PW 6.625 10 10S 0.134 6.357 6.453 6.265
PS & PW 6.625 0.188 6.225 6.358 6.132
PS & PW 6.625 STD 40 40S 0.280 6.065 6.197 5.907
PS & PW 6.625 XS 80 80S 0.432 5.761 5.931 5.599
PS & PW 6.625 120 0.562 5.501 5.704 5.300
PS & PW 6.625 160 0.719 5.187 5.429 4.939
PS & PW 6.625 XX 0.864 4.897 5.175 4.606
7 PS & PW 7.625 STD 40 40S 0.310 7.005 7.145 6.834
PS & PW 7.625 XS 80 80S 0.500 6.625 6.812 6.443
PS & PW 7.625 XX 0.875 5.875 6.156 5.581
8 PS & PW 8.625 5S 0.109 8.407 8.496 8.326
PS & PW 8.625 10 10S 0.148 8.329 8.428 8.230
PS & PW 8.625 20 0.250 8.125 8.250 7.981
PS & PW 8.625 30 0.277 8.071 8.202 7.914
PS & PW 8.625 STD 40 40S 0.322 7.981 8.124 7.804
PS & PW 8.625 60 0.406 7.813 7.977 7.598
PS & PW 8.625 XS 80 80S 0.500 7.625 7.812 7.443
PS & PW 8.625 100 0.594 7.437 7.648 7.227
PS & PW 8.625 120 0.719 7.187 7.429 6.939
PS & PW 8.625 140 0.812 7.001 7.266 6.725
PS & PW 8.625 XX 0.875 6.875 7.156 6.581
PS & PW 8.625 160 0.906 6.813 7.102 6.509
9 PS & PW 9.625 STD 40 40S 0.342 8.941 9.121 8.755
PS & PW 9.625 XS 80 80S 0.500 8.625 8.844 8.443
PS & PW 9.625 XX 0.875 7.875 8.188 7.581
10 PS & PW 10.750 5S 0.134 10.482 10.610 10.390
PS & PW 10.750 10S 0.164 10.422 10.557 10.316
PS & PW 10.750 0.188 10.374 10.515 10.257
PS & PW 10.750 20 0.250 10.250 10.407 10.106
PS & PW 10.750 30 0.307 10.136 10.307 9.966
PS & PW 10.750 STD 40 40S 0.365 10.020 10.205 9.824
PS & PW 10.750 XS 60 80S 0.500 9.750 9.969 9.493
PS & PW 10.750 80 0.594 9.562 9.805 9.352
PS & PW 10.750 100 0.719 9.312 9.586 9.064
PS & PW 10.750 120 0.844 9.062 9.367 8.777
PS & PW 10.750 140 1.000 8.750 9.094 8.418
PS & PW 10.750 160 1.125 8.500 8.875 8.131
11 PS & PW 11.750 STD 40 40S 0.375 11.000 11.188 10.799
PS & PW 11.750 XS 80 80S 0.500 10.750 10.969 10.493
PS & PW 11.750 XX 0.875 10.000 10.313 9.706
12 PS & PW 12.750 5S 0.156 12.438 12.571 12.336
PS & PW 12.750 10S 0.180 12.390 12.529 12.277
PS & PW 12.750 20 0.250 12.250 12.407 12.106
PS & PW 12.750 30 0.330 12.090 12.267 11.910
PS & PW 12.750 STD 40S 0.375 12.000 12.188 11.799
PS & PW 12.750 40 0.406 11.938 12.134 11.723
PS & PW 12.750 XS 80S 0.500 11.750 11.969 11.493
PS & PW 12.750 60 0.562 11.626 11.861 11.341
PS & PW 12.750 80 0.688 11.374 11.640 11.136
PS & PW 12.750 100 0.844 11.062 11.367 10.777
PS & PW 12.750 120 1.000 10.750 11.094 10.418
PS & PW 12.750 140 1.125 10.500 10.875 10.131
PS & PW 12.750 160 1.312 10.126 10.548 9.700
14 PS & PW 14.000 10S 0.188 13.624 13.765 13.507
PS & PW 14.000 10 0.250 13.500 13.657 13.356
PS & PW 14.000 20 0.312 13.376 13.548 13.204
PS & PW 14.000 STD 30 40S 0.375 13.250 13.438 13.049
PS & PW 14.000 40 0.438 13.124 13.328 12.895
PS & PW 14.000 XS 80S 0.500 13.000 13.219 12.743
PS & PW 14.000 60 0.594 12.812 13.055 12.513
PS & PW 14.000 80 0.750 12.500 13.055 12.513
PS & PW 14.000 100 0.938 12.124 12.782 12.243
PS & PW 14.000 120 1.094 11.812 12.453 11.811
PS & PW 14.000 140 1.250 11.500 12.180 11.452
PS & PW 14.000 160 1.406 11.188 11.907 11.093
16 PS & PW 16.000 10S 0.188 15.624 13.634 12.523
PS & PW 16.000 10 0.250 15.549 15.765 15.507
PS & PW 16.000 20 0.312 15.376 15.657 15.356
PS & PW 16.000 STD 30 40S 0.375 15.250 15.548 15.204
PS & PW 16.000 XS 40 80S 0.500 15.000 15.438 15.049
PS & PW 16.000 60 0.656 14.688 15.219 14.743
PS & PW 16.000 80 0.844 14.312 14.946 14.459
PS & PW 16.000 100 1.031 13.938 14.617 14.027
PS & PW 16.000 120 1.219 13.562 14.290 13.597
PS & PW 16.000 140 1.438 13.124 13.961 13.164
PS & PW 16.000 160 1.594 12.812 13.578 12.661
18 PS & PW 18.000 10S 0.188 17.624 15.305 14.063
PS & PW 18.000 10 0.250 17.500 17.765 17.507
PS & PW 18.000 20 0.312 17.376 17.657 17.356
PS & PW 18.000 STD 40S 0.375 17.250 17.548 17.204
PS & PW 18.000 30 0.438 17.124 17.438 17.049
PS & PW 18.000 XS 80S 0.500 17.000 17.328 16.895
PS & PW 18.000 40 0.562 16.876 17.219 16.743
PS & PW 18.000 60 0.750 16.500 17.111 16.591
PS & PW 18.000 80 0.938 16.124 16.782 16.243
PS & PW 18.000 100 1.156 15.688 16.453 15.811
PS & PW 18.000 120 1.375 15.250 16.071 15.309
PS & PW 18.000 140 1.562 14.876 15.688 14.806
PS & PW 18.000 160 1.781 14.438 15.361 14.375
20 PW 20.000 10S 0.218 19.564 17.008 15.783
PW 20.000 10 0.250 19.500 19.744 19.456
PW 20.000 STD 40S 0.375 19.250 19.688 19.381
PW 20.000 XS 80S 0.500 19.000 19.469 19.087
PW 20.000 40 0.594 18.812 19.250 18.793
PW 20.000 60 0.812 18.376 19.086 18.572
PW 20.000 80 1.031 17.938 18.704 18.060
PW 20.000 100 1.281 17.438 18.321 17.545
PW 20.000 120 1.500 17.000 17.883 16.958
PW 20.000 140 1.750 16.500 17.500 16.443
PW 20.000 160 1.969 16.062 17.063 15.856
20 PS 20.000 10S 0.218 19.564 19.250 18.743
PS 20.000 10 0.250 19.500 19.744 19.434
PS 20.000 STD 40S 0.375 19.250 19.688 19.356
PS 20.000 XS 80S 0.500 19.000 19.469 19.049
PS 20.000 40 0.594 18.812 19.250 18.743
PS 20.000 60 0.812 18.376 19.086 18.513
PS 20.000 80 1.031 17.938 18.704 18.100
PS 20.000 100 1.281 17.438 18.321 17.597
PS 20.000 120 1.500 17.000 17.883 17.022
PS 20.000 140 1.750 16.500 17.500 16.518
PS 20.000 160 1.969 16.062 17.063 15.943
22 PW 22.000 10 10S 0.250 21.500 18.679 17.341
PW 22.000 STD 20 40S 0.375 21.250 21.688 21.381
PW 22.000 XS 30 80S 0.500 21.000 21.469 21.087
PW 22.000 60 0.875 20.250 21.250 20.793
PW 22.000 80 1.125 19.750 20.594 19.912
PW 22.000 100 1.375 19.250 20.156 19.324
PW 22.000 120 1.626 18.749 19.719 18.737
PW 22.000 140 1.875 18.250 19.280 18.148
PW 22.000 160 2.125 17.750 18.844 17.562
22 PS 22.000 10 10S 0.250 21.500 18.679 17.144
PS 22.000 STD 20 40S 0.375 21.250 21.688 21.356
PS 22.000 XS 30 80S 0.500 21.000 21.469 21.049
PS 22.000 60 0.875 20.250 21.250 20.743
PS 22.000 80 1.125 19.750 20.594 19.956
PS 22.000 100 1.375 19.250 20.156 19.381
PS 22.000 120 1.626 18.749 19.719 18.806
PS 22.000 140 1.875 18.250 19.280 18.229
PS 22.000 160 2.125 17.750 18.844 17.656
24 PW 24.000 10 10S 0.250 23.500 20.406 18.974
PW 24.000 STD 20 40S 0.375 23.250 23.688 23.381
PW 24.000 XS 80S 0.500 23.000 23.469 23.087
PW 24.000 30 0.562 22.876 23.250 22.793
PW 24.000 40 0.688 22.624 23.142 22.647
PW 24.000 60 0.969 22.062 22.921 22.351
PW 24.000 80 1.219 21.562 22.429 21.691
PW 24.000 100 1.531 20.938 21.992 21.103
PW 24.000 120 1.812 20.376 21.446 20.370
PW 24.000 140 2.062 19.876 20.954 19.710
PW 24.000 160 2.344 19.312 20.517 19.122
24 PS 24.000 10 10S 0.250 23.500 20.406 18.762
PS 24.000 STD 20 40S 0.375 23.250 23.688 23.356
PS 24.000 XS 80S 0.500 23.000 23.469 23.049
PS 24.000 30 0.562 22.876 23.250 22.743
PS 24.000 40 0.688 22.624 23.142 22.591
PS 24.000 60 0.969 22.062 22.921 22.282
PS 24.000 80 1.219 21.562 22.429 21.739
PS 24.000 100 1.531 20.938 21.992 21.164
PS 24.000 120 1.812 20.376 21.446 20.447
PS 24.000 140 2.062 19.876 20.954 19.800
PS 24.000 160 2.344 19.312 20.517 19.225
26 PW 26.000 10 0.312 25.376 22.023 20.460
PW 26.000 STD 40S 0.375 25.250 25.579 25.235
PW 26.000 XS 80S 0.500 25.000 25.469 25.087
26 PS 26.000 10 0.312 25.376 22.023 20.225
PS 26.000 STD 40S 0.375 25.250 25.579 25.204
PS 26.000 XS 80S 0.500 25.000 25.469 25.049
28 PW 28.000 10 0.312 27.376 27.282 26.793
PW 28.000 STD 40S 0.375 27.250 27.611 27.235
PW 28.000 XS 20 80S 0.500 27.000 27.501 27.087
PW 28.000 30 0.625 26.750 27.282 26.793
28 PS 28.000 10 0.312 27.376 27.282 26.743
PS 28.000 STD 40S 0.375 27.250 27.611 27.204
PS 28.000 XS 20 80S 0.500 27.000 27.501 27.049
PS 28.000 30 0.625 26.750 27.282 26.743
30 PW 30.000 10 0.312 29.376 29.063 28.499
PW 30.000 STD 40S 0.375 29.250 29.611 29.235
PW 30.000 20 80S 0.500 29.000 29.501 29.087
PW 30.000 30 0.625 28.750 29.282 28.793
30 PS 30.000 10 0.312 29.376 29.063 28.437
PS 30.000 STD 40S 0.375 29.250 29.611 29.204
PS 30.000 20 80S 0.500 29.000 29.501 29.049
PS 30.000 30 0.625 28.750 29.282 28.743
32 PW 32.000 10 0.312 31.376 31.063 30.499
PW 32.000 20 0.375 31.250 31.611 31.235
PW 32.000 STD 0.500 31.000 31.501 31.087
PW 32.000 30 0.625 30.750 31.282 30.793
PW 32.000 40 0.688 30.624 31.063 30.499
32 PS 32.000 10 0.312 31.376 31.063 30.437
PS 32.000 20 0.375 31.250 31.611 31.204
PS 32.000 STD 0.500 31.000 31.501 31.049
PS 32.000 30 0.625 30.750 31.282 30.743
PS 32.000 40 0.688 30.624 31.063 30.437
34 PW 34.000 10 0.312 33.376 32.953 32.351
PW 34.000 STD 0.375 33.250 33.611 33.235
PW 34.000 20 0.500 33.000 33.501 33.087
PW 34.000 30 0.625 32.750 33.282 32.793
PW 34.000 40 0.688 32.624 33.063 32.499
34 PS 34.000 10 0.312 33.376 32.953 32.282
PS 34.000 STD 0.375 33.250 33.611 33.204
PS 34.000 20 0.500 33.000 33.501 33.049
PS 34.000 30 0.625 32.750 33.282 32.743
PS 34.000 40 0.688 32.624 33.063 32.437
36 PW 36.000 10 0.312 35.376 34.984 34.351
PW 36.000 STD 40S 0.375 35.250 35.642 35.235
PW 36.000 XS 80S 0.500 35.000 35.532 35.087
36 PS 36.000 10 0.312 35.376 34.984 34.282
PS 36.000 STD 40S 0.375 35.250 35.642 35.204
PS 36.000 XS 80S 0.500 35.000 35.532 35.049
42 PW 42.000 STD 40S 0.375 41.250 41.313 40.793
PW 42.000 XS 80S 0.500 41.000 41.532 41.087
PW 42.000 30 0.625 40.750 41.313 40.793
PW 42.000 40 0.750 40.500 41.094 40.499
42 PS 42.000 STD 40S 0.375 41.250 41.313 40.743
PS 42.000 XS 80S 0.500 41.000 41.532 41.049
PS 42.000 30 0.625 40.750 41.313 40.743
PS 42.000 40 0.750 40.500 41.094 40.437
48 PW 48.000 STD 40S 0.375 47.250 46.876 46.206
PW 48.000 XS 80S 0.500 47.000 47.532 47.087
48 PS 48.000 STD 40S 0.375 47.250 46.876 46.131
PS 48.000 XS 80S 0.500 47.000 47.532 47.049

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