| NOM
PIPE SIZE |
NOMINAL INSIDE DIAMETERS1 | ||||||||||||||
| OUTSIDE
DIA. O.D. |
SCH. 5S 4 | SCH. 10S4 | SCH. 105 | SCH. 205 | SCH. 305 | SCH. 40S4 | SCH. 40S5 | STD5 | B16.5 | SCH. 80S4 | XS5 | SCH. 805 | SCH. 1605 | XXS5 | |
| 1/2 | 0.84 | 0.710 | 0.674 | - | - | - | 0.622 | 0.622 | 0.622 | 0.62 | 0.546 | 0.546 | 0.546 | 0.464 | 0.252 |
| 3/4 | 1.05 | 0.920 | 0.844 | - | - | - | 0.824 | 0.824 | 0.824 | 0.82 | 0.742 | 0.742 | 0.742 | 0.612 | 0.434 |
| 1 | 1.32 | 1.190 | 1.102 | - | - | - | 1.054 | 1.054 | 1.054 | 1.05 | 0.962 | 0.962 | 0.962 | 0.820 | 0.604 |
| 1 1/4 | 1.66 | 1.530 | 1.442 | - | - | - | 1.380 | 1.380 | 1.380 | 1.38 | 1.278 | 1.278 | 1.278 | 1.160 | 0.896 |
| 1 1/2 | 1.90 | 1.770 | 1.682 | - | - | - | 1.610 | 1.610 | 1.610 | 1.64 | 1.500 | 1.500 | 1.500 | 1.338 | 1.100 |
| 2 | 2.38 | 2.250 | 2.162 | - | - | - | 2.072 | 2.072 | 2.072 | 2.07 | 1.944 | 1.944 | 1.944 | 1.692 | 1.508 |
| 2 1/2 | 2.88 | 2.716 | 2.640 | - | - | - | 2.474 | 2.474 | 2.474 | 2.47 | 2.328 | 2.328 | 2.328 | 2.130 | 1.776 |
| 3 | 3.50 | 3.334 | 3.260 | - | - | - | 3.068 | 3.068 | 3.068 | 3.07 | 2.900 | 2.900 | 2.900 | 2.624 | 2.300 |
| 3 1/2 | 4.00 | 3.834 | 3.760 | - | - | - | 3.548 | 3.548 | 3.548 | 3.55 | 3.364 | 3.364 | 3.364 | - | - |
| 4 | 4.50 | 4.334 | 4.260 | - | - | - | 4.026 | 4.026 | 4.026 | 4.03 | 3.826 | 3.826 | 3.826 | 3.438 | 3.152 |
| 5 | 5.56 | 5.342 | 5.292 | - | - | - | 5.044 | 5.044 | 5.044 | 5.05 | 4.810 | 4.810 | 4.810 | 4.310 | 4.060 |
| 62 | 6.62 | 6.402 | 6.352 | - | - | - | 6.060 | 6.0670 | 6.060 | - | 5.756 | 5.756 | 5.756 | 5.182 | 4.892 |
| 63 | 6.63 | 6.412 | 6.362 | - | - | - | 6.070 | 6.070 | 6.070 | 6.07 | 5.766 | 5.766 | 5.766 | 5.192 | 4.902 |
| 82 | 8.62 | 8.402 | 8.324 | - | 8.120 | 8.066 | 7.976 | 7.976 | 7.976 | - | 7.620 | 7.620 | 7.620 | 6.808 | 6.870 |
| 83 | 8.63 | 8.412 | 8.334 | - | 8.130 | 8.076 | 7.986 | 7.986 | 7.986 | 7.98 | 7.630 | 7.630 | 7.630 | 6.818 | 6.880 |
| 10 | 10.75 | 17.482 | 10.420 | - | 10.250 | 10.136 | 10.020 | 10.020 | 10.020 | 10.02 | 9.750 | 9.750 | 9.562 | 8.500 | 8.750 |
| 12 | 12.75 | 12.438 | 12.390 | - | 12.250 | 12.090 | 12.00 | 11.938 | 12.000 | 12.00 | 11.750 | 11.750 | 11.374 | 10.126 | 10.750 |
| 14 | 14.00 | 13.688 | 13.624 | 13.500 | 13.376 | 13.250 | - | 13.124 | 13.250 | - | - | 13.000 | 12.500 | 11.188 | - |
| 16 | 16.00 | 15.670 | 15.624 | 15.500 | 15.376 | 15.250 | - | 15.000 | 15.250 | - | - | 15.000 | 14.312 | 12.812 | - |
| 18 | 18.00 | 17.670 | 17.624 | 17.500 | 17.376 | 17.124 | - | 16.876 | 17.250 | - | - | 17.000 | 16.124 | 14.438 | - |
| 20 | 20.00 | 19.624 | 19.564 | 19.500 | 19.250 | 19.000 | - | 18.812 | 19.250 | - | - | 19.000 | 17.938 | 16.062 | - |
| 22 | 22.00 | 21.624 | 21.564 | 21.500 | 21.250 | 21.000 | - | - | 21.250 | - | - | 21.000 | 19.750 | 17.750 | - |
| 24 | 24.00 | 23.564 | 23.500 | 23.500 | 23.250 | 22.876 | - | 22.624 | 23.250 | - | - | 23.000 | 21.562 | 19.312 | - |
ALL DIMENSIONS ARE IN INCHES
1 APPLICABLE TO FITTINGS, WELD NECK FLANGES, AND BORE OF SOCKET WELD FLANGES
2 - B16.9 (FITTINGS)
3 - B16.5 (FLANGES)
4 - B36.19 (STAINLESS STEEL PIPE)
5 - B36.10 (WELDED AND SEAMLESS WROUGHT STEEL PIPE)
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