The following chart gives standard pipe schedule or pipes sizes as given by ANSI / ASME B36.10M and API 5L . Data given in based on the NPS Tables given by ANSI B36.10M and includes Pipe wall thickness, outside diameter, nominal diameter.
| Nom. | O.D. | PIPE SCHEDULES
WALL THICKNESS ( Inches) |
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| 5s | 5 | 10s | 10 | 20 | 30 | 40s & Std | 40 | 60 | 80s & E.H. | 80 | 100 | 120 | 140 | 160 | Dbl. E.H. (XXH) |
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| 1/8 | .405 | .035 | .049 | .049 | .068 | .068 | .095 | .095 | |||||||||||
| 1/4 | .540 | .049 | .065 | .065 | .088 | .088 | .119 | .119 | |||||||||||
| 3/8 | .675 | .049 | .065 | .065 | .091 | .091 | .126 | .126 | |||||||||||
| 1/2 | .840 | .065 | .065 | .083 | .083 | .109 | .109 | .147 | .147 | .187 | .294 | ||||||||
| 3/4 | 1.050 | .065 | .065 | .083 | .083 | .113 | .113 | .154 | .154 | .218 | .308 | ||||||||
| 1 | 1.315 | .065 | .065 | .109 | .109 | .133 | .133 | .179 | .179 | .250 | .358 | ||||||||
| 1 1/4 | 1.660 | .065 | .065 | .109 | .109 | .140 | .140 | .191 | .191 | .250 | .382 | ||||||||
| 1 1/2 | 1.900 | .065 | .065 | .109 | .109 | .145 | .145 | .200 | .200 | .281 | .400 | ||||||||
| 2 | 2.375 | .065 | .065 | .109 | .109 | .154 | .154 | .218 | .218 | .343 | .436 | ||||||||
| 2 1/2 | 2.875 | .083 | .083 | .120 | .120 | .203 | .203 | .276 | .276 | .375 | .552 | ||||||||
| 3 | 3.500 | .083 | .083 | .120 | .120 | .216 | .216 | .300 | .300 | .437 | .600 | ||||||||
| 3 1/2 | 4.000 | .083 | .083 | .120 | .120 | .226 | .226 | .318 | .318 | .636 | |||||||||
| 4 | 4.500 | .083 | .083 | .120 | .120 | .237 | .237 | .281 | .337 | .337 | .437 | .531 | .674 | ||||||
| 4 1/2 | 5.000 | .247 | .355 | .710 | |||||||||||||||
| 5 | 5.563 | .109 | .109 | .134 | .134 | .258 | .258 | .375 | .375 | .500 | .625 | .750 | |||||||
| 6 | 6.625 | .109 | .109 | .134 | .134 | .280 | .280 | .432 | .432 | .562 | .718 | .864 | |||||||
| 7 | 7.625 | .301 | .500 | .875 | |||||||||||||||
| 8 | 8.625 | .109 | .109 | .148 | .148 | .250 | .277 | .322 | .322 | .406 | .500 | .500 | .593 | .718 | .812 | .906 | .875 | ||
| 9 | 9.625 | .342 | .500 | ||||||||||||||||
| 10 | 10.750 | .134 | .134 | .165 | .165 | .250 | .307 | .365 | .365 | .500 | .500 | .593 | .718 | .843 | 1.000 | 1.125 | |||
| 11 | 11.750 | .375 | .500 | ||||||||||||||||
| 12 | 12.750 | .156 | .165 | .180 | .180 | .250 | .330 | .375 | .406 | .562 | .500 | .687 | .843 | 1.000 | 1.125 | 1.312 | |||
| 14 | 14.000 | .156 | .188 | .250 | .312 | .375 | .375 | .437 | .593 | .500 | .750 | .937 | 1.093 | 1.250 | 1.406 | ||||
| 16 | 16.000 | .165 | .188 | .250 | .312 | .375 | .375 | .500 | .656 | .500 | .843 | 1.031 | 1.218 | 1.437 | 1.593 | ||||
| 18 | 18.000 | .165 | .188 | .250 | .312 | .437 | .375 | .562 | .750 | .500 | .937 | 1.156 | 1.375 | 1.562 | 1.781 | ||||
| 20 | 20.000 | .188 | .218 | .250 | .375 | .500 | .375 | .593 | .812 | .500 | 1.031 | 1.280 | 1.500 | 1.750 | 1.968 | ||||
| 24 | 24.000 | .218 | .250 | .250 | .375 | .562 | .375 | .687 | .968 | .500 | 1.218 | 1.531 | 1.812 | 2.062 | 2.343 | ||||
| 26 | 26.000 | .312 | .500 | .375 | .500 | ||||||||||||||
| 28 | 28.000 | 312 | .500 | .625 | .375 | ||||||||||||||
| 30 | 30.000 | .250 | .312 | .312 | .500 | .625 | .375 | .500 | |||||||||||
| 32 | 32.000 | .312 | .500 | .625 | .375 | .688 | .500 | ||||||||||||
| 34 | 34.00 | .312 | .500 | .625 | .375 | .688 | |||||||||||||
| 36 | 36.000 | .312 | .625 | .375 | .750 | .500 | |||||||||||||
| 42 | 42.000 | .375 | .500 | ||||||||||||||||
| 48 | 48.000 | .375 | .500 | ||||||||||||||||