American Standard Weldon and Seamless Steel Pipe Chart Reference
| Pipe | Pipe Schedules (All Dimensions in Inches) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | OD | Wall ID | 5 | 10 | 20 | 30 | STANDARD | 40 | 60 | EX. HVY. | 80 | 100 | 120 | 140 | 160 | DBLE. EX. HVY. |
| 1/8 | .405 | Wall ID | .035 | .049 | – | – | .068 | – | .095 | – | – | – | – | – | ||
| Wall ID | .335 | .307 | – | – | .269 | – | .215 | – | – | – | – | – | ||||
| 1/4 | .540 | Wall ID | .049 | .065 | – | – | .088 | – | .119 | – | – | – | – | – | ||
| Wall ID | .442 | .410 | – | – | .364 | – | .302 | – | – | – | – | – | ||||
| 3/8 | .675 | Wall ID | .049 | .065 | – | – | .091 | – | .126 | – | – | – | – | – | ||
| Wall ID | .577 | .545 | – | – | .493 | – | .423 | – | – | – | – | – | ||||
| 1/2 | .840 | Wall ID | .065 | .083 | – | – | .109 | – | .147 | – | – | – | .187 | .294 | ||
| Wall ID | .710 | .674 | – | – | .622 | – | .546 | – | – | – | .466 | .252 | ||||
| 3/4 | 1.050 | Wall ID | .065 | .083 | – | – | .113 | – | .154 | – | – | – | .218 | .308 | ||
| Wall ID | .920 | .884 | – | – | .824 | – | .742 | – | – | – | .614 | .434 | ||||
| 1 | 1.315 | Wall ID | .065 | .109 | – | – | .133 | – | .179 | – | – | – | .250 | .358 | ||
| Wall ID | 1.185 | 1.097 | – | – | 1.049 | – | .957 | – | – | – | .815 | .599 | ||||
| 1-1/4 | 1.660 | Wall ID | .065 | .109 | – | – | .140 | – | .191 | – | – | – | .250 | .382 | ||
| Wall ID | 1.530 | 1.442 | – | – | 1.380 | – | 1.278 | – | – | – | 1.160 | .896 | ||||
| 1-1/2 | 1.900 | Wall ID | .065 | .109 | – | – | .145 | – | .200 | – | – | – | .281 | .400 | ||
| Wall ID | 1.770 | 1.682 | – | – | 1.610 | – | 1.500 | – | – | – | 1.338 | 1.100 | ||||
| 2 | 2.375 | Wall ID | .065 | .109 | – | – | .154 | – | .218 | – | – | – | .343 | .436 | ||
| Wall ID | 2.245 | 2.157 | – | – | 2.067 | – | 1.939 | – | – | – | 1.689 | 1.503 | ||||
| 2-1/2 | 2.875 | Wall ID | .083 | .120 | – | – | .203 | – | .276 | – | – | – | .375 | .552 | ||
| Wall ID | 2.709 | 2.635 | – | – | 2.469 | – | 2.323 | – | – | – | 2.125 | 1.771 | ||||
| 3 | 3.500 | Wall ID | .083 | .120 | – | – | .216 | – | .300 | – | – | – | .438 | .600 | ||
| Wall ID | 3.334 | 3.260 | – | – | 3.068 | – | 2.900 | – | – | – | 2.624 | 2.300 | ||||
| 3-1/2 | 4.000 | Wall ID | .083 | .120 | – | – | .226 | – | .318 | – | – | – | – | .636 | ||
| Wall ID | 3.834 | 3.760 | – | – | 3.548 | – | 3.364 | – | – | – | – | 2.728 | ||||
| 4 | 4.500 | Wall ID | .083 | .120 | – | – | .237 | .218 | .337 | – | .438 | – | .531 | .674 | ||
| Wall ID | 4.334 | 4.260 | – | – | 4.026 | 4.064 | 3.826 | – | 3.624 | – | 3.438 | 3.152 | ||||
| 4-1/2 | 5.000 | Wall ID | – | .134 | – | – | .247 | – | .355 | – | – | – | – | .710 | ||
| Wall ID | – | 4.732 | – | – | 4.506 | – | 4.290 | – | – | – | – | 3.580 | ||||
| 5 | 5.563 | Wall ID | .109 | .134 | – | – | .258 | – | .375 | – | ,500 | – | .625 | .750 | ||
| Wall ID | 5.345 | 5.295 | – | – | 5.047 | – | 4.813 | – | 4.563 | – | 4.313 | 4.063 | ||||
| 6 | 6.625 | Wall ID | .109 | .134 | – | .250 | .280 | – | .432 | – | .562 | – | .718 | .864 | ||
| Wall ID | 6.407 | 6.357 | – | 6.125` | 6.065 | – | 5.761 | – | 5.501 | – | 5.189 | 4.897 | ||||
| 7 | 7.625 | Wall ID | – | – | – | – | .301 | – | .500 | – | – | – | – | .875 | ||
| Wall ID | – | – | – | – | 7.023 | – | 6.625 | – | – | – | – | 5.875 | ||||
| 8 | 8.625 | Wall ID | .109 | .148 | .250 | .277 | .322 | .406 | .500 | .593 | .718 | .812 | .906 | .875 | ||
| Wall ID | 8.407 | 8.329 | 8.125 | 8.071 | 7.981 | 7.813 | 7.625 | 7.439 | 7.189 | 7.001 | 6.813 | 6.875 | ||||
| 10 | 10.750 | Wall ID | .134 | .165 | .250 | .307 | .365 | .500 | .500 | .593 | .718 | .843 | 1.000 | 1.125 | – | |
| Wall ID | 10.482 | 10.420 | 10.250 | 10.136 | 10.020 | 9.750 | 9.750 | 9.564 | 9.314 | 9.064 | 8.750 | 8.500 | – | |||
| 12 | 12.750 | Wall ID | .165 | .180 | .250 | .330 | .375 | .406 | .562 | .500 | .687 | .843 | 1.000 | 1.125 | 1.312 | – |
| Wall ID | 12.420 | 12.390 | 12.250 | 12.090 | 12.000 | 11.938 | 11.626 | 11.750 | 11.376 | 11.064 | 10.750 | 10.500 | 10.126 | – | ||
| 14 | 14.000 | Wall ID | – | .250 | .312 | .375 | .375 | .437 | .594 | .500 | .750 | .937 | 1.094 | 1.250 | 1.406 | – |
| Wall ID | – | 13.500 | 13.376 | 13.250 | 13.250 | 13.126 | 12.812 | 13.000 | 12.500 | 12.126 | 11.812 | 11.500 | 11.188 | – | ||
| 16 | 16.000 | Wall ID | – | .250 | .312 | .375 | .375 | .500 | .656 | .500 | .843 | 1.031 | 1.218 | 1.437 | 1.593 | – |
| Wall ID | – | 15.500 | 15.376 | 15.250 | 15.250 | 15.000 | 14.688 | 15.000 | 14.314 | 13.938 | 13.564 | 13.126 | 12.814 | – | ||
| 18 | 18.000 | Wall ID | – | .250 | .312 | .438 | .375 | .562 | .750 | .500 | .937 | 1.156 | 1.375 | 1.562 | 1.781 | – |
| Wall ID | – | 17.500 | 17.376 | 17.124 | 17.250 | 16.876 | 16.500 | 17.000 | 16.126 | 15.688 | 15.250 | 14.876 | 14.438 | – | ||
| 20 | 20.000 | Wall ID | – | .250 | .375 | .500 | .375 | .593 | .812 | .500 | 1.031 | 1.280 | 1.500 | 1.750 | 1.968 | – |
| Wall ID | – | 19.500 | 19.250 | 19.000 | 19.250 | 18.814 | 18.376 | 19.000 | 17.938 | 17.440 | 17.000 | 16.500 | 16.064 | – | ||
| 24 | 24.000 | Wall ID | – | .250 | .375 | .562 | .375 | .687 | .969 | .500 | 1.218 | 1.531 | 1.812 | 2.062 | 2.343 | – |
| Wall ID | – | 25.500 | 23.250 | 22.876 | 23.250 | 22.626 | 22.062 | 23.000 | 21.564 | 20.938 | 20.376 | 19.876 | 19.314 | – | ||