Wall Thickness Guide
Nominal wall thickness data for pipe fitting inquiries, kept as a technical guide with horizontal scrolling for the wide table.
How buyers use this table
Confirm nominal pipe size, outside diameter and schedule / wall thickness before quoting elbows, reducers, tees and caps. For RFQ, send the standard, fitting type, size, schedule, material, quantity and destination.
Technical table 1
| NOMINAL PIPE SIZE | OUTSIDE DIAMETER | K | D1 | NOMINAL WALL THICKNESS | b | C | f | d2 | No. of holes | Bolt | Approx. weight kg | Notes | Reference | Value 15 | Value 16 | Value 17 | Value 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | ASME | JIS | DIN | JIS(1) | DIN(2) | SCH20 | SCH30 | STD | SCH40 | SCH60 | XS | SCH80 | SCH100 | SCH120 | SCH160 | XXS |
| 15 | 1/2 | 21.3 | 21.7 | 21.3 | 2.8 | 2.0 | - | 2.41 | 2.77 | 2.77 | - | 3.73 | 3.73 | - | 4.78 | 7.47 | |
| 20 | 3/4 | 26.7 | 27.2 | 26.9 | 2.8 | 2.3 | - | 2.41 | 2.87 | 2.87 | - | 3.91 | 3.91 | - | 5.56 | 7.82 | |
| 25 | 1 | 33.4 | 34.0 | 33.7 | 3.2 | 2.6 | - | 2.90 | 3.38 | 3.38 | - | 4.55 | 4.55 | - | 6.35 | 9.09 | |
| 32 | 1.1/4 | 42.2 | 42.7 | 42.4 | 3.5 | 2.6 | - | 2.97 | 3.56 | 3.56 | - | 4.85 | 4.85 | - | 6.35 | 9.70 | |
| 40 | 1.1/2 | 48.3 | 48.6 | 48.3 | 3.5 | 2.6 | - | 3.18 | 3.68 | 3.68 | - | 5.08 | 5.08 | - | 7.14 | 10.15 | |
| 50 | 2 | 60.3 | 60.5 | 60.3 | 3.8 | 2.9 | - | 3.18 | 3.91 | 3.91 | - | 5.54 | 5.54 | - | 8.74 | 11.07 | |
| 65 | 2.1/2 | 73.0 | 76.3 | 76.1 | 4.2 | 2.9 | - | 4.78 | 5.16 | 5.16 | - | 7.01 | 7.01 | - | 9.53 | 14.02 | |
| 80 | 3 | 88.9 | 89.1 | 88.9 | 4.2 | 3.2 | - | 4.78 | 5.49 | 5.49 | - | 7.62 | 7.62 | - | 11.13 | 15.24 | |
| 90 | 3.1/2 | 101.6 | 101.6 | 4.2 | - | 4.78 | 5.74 | 5.74 | - | 8.08 | 8.08 | - | - | - | |||
| 100 | 4 | 114.3 | 114.3 | 114.3 | 4.5 | 3.6 | - | 4.78 | 6.02 | 6.02 | - | 8.56 | 8.56 | - | 11.13 | 13.49 | 17.12 |
| 125 | 5 | 141.3 | 139.8 | 139.7 | 4.5 | 4.0 | - | - | 6.55 | 6.55 | - | 9.53 | 9.53 | - | 12.70 | 15.88 | 19.05 |
| 150 | 6 | 168.3 | 165.2 | 168.3 | 5.0 | 4.5 | 4.5 | - | 7.11 | 7.11 | - | 10.97 | 10.97 | - | 14.27 | 18.26 | 21.95 |
| 200 | 8 | 219.1 | 216.3 | 219.1 | 5.8 | 6.3 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 15.09 | 18.26 | 23.01 | 22.23 |
| 250 | 10 | 273.0 | 267.4 | 273.0 | 6.6 | 6.3 | 6.35 | 7.80 | 9.27 | 9.27 | 12.70 | 12.70 | 15.09 | 18.26 | 21.44 | 28.58 | 25.40 |
| 300 | 12 | 323.8 | 318.5 | 323.9 | 6.9 | 7.1 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.70 | 17.48 | 21.44 | 25.40 | 33.32 | 25.40 |
| 350 | 14 | 355.6 | 355.6 | 355.6 | 7.9 | 8.0 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.70 | 19.05 | 23.83 | 27.79 | 35.71 | - |
| 400 | 16 | 406.4 | 406.4 | 406.4 | 7.9 | 8.8 | 7.92 | 9.53 | 9.53 | 12.70 | 16.66 | 12.70 | 21.44 | 26.19 | 30.96 | 40.49 | - |
| 450 | 18 | 457.2 | 457.2 | 457.0 | 7.9 | 10.0 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.70 | 23.83 | 29.36 | 34.93 | 45.24 | - |
| 500 | 20 | 508.0 | 508.0 | 508.0 | 7.9 | 11.0 | 9.53 | 12.70 | 9.53 | 15.09 | 20.62 | 12.70 | 26.19 | 32.54 | 38.10 | 50.01 | - |
| 550 | 22 | 558.8 | 558.8 | - | - | - | 9.53 | 12.70 | 9.53 | - | 22.23 | 12.70 | 28.58 | 34.93 | 41.28 | 53.98 | - |
| 600 | 24 | 609.6 | 609.6 | 610.0 | - | 12.5 | 9.53 | 14.27 | 9.53 | 17.48 | 24.61 | 12.70 | 30.96 | 38.89 | 46.02 | 59.54 | - |
| 650 | 26 | 660.4 | 660.4 | - | - | - | 12.7 | - | 9.53 | - | - | 12.70 | - | - | - | - | - |
| 700 | 28 | 711.2 | 711.2 | 711.0 | - | 12.5 | 12.7 | 15.88 | 9.53 | - | - | 12.70 | - | - | - | - | - |
| 750 | 30 | 762.0 | 762.0 | - | - | - | 12.7 | 15.88 | 9.53 | - | - | 12.70 | - | - | - | - | - |
| 800 | 32 | 812.8 | 812.8 | 813.0 | - | 12.5 | 12.7 | 15.88 | 9.53 | 17.48 | - | 12.70 | - | - | |||
| 850 | 34 | 863.6 | 863.3 | - | - | - | 12.7 | 15.88 | 9.53 | 17.48 | - | 12.70 | - | JIS G3452 ASME B36.10M JIS G3454 DIN2448 JIS G3455 DIN2458 JID G3457 | - | ||
| 900 | 36 | 914.4 | 914.4 | 914.0 | - | 12.5 | 12.7 | 15.88 | 9.53 | 19.05 | - | 12.70 | - | - | |||
| 950 | 38 | 965.2 | 965.2 | - | - | - | - | - | 9.53 | - | - | 12.70 | - | - | |||
| 1000 | 40 | 1016.0 | 1016.0 | 1016.0 | - | 12.5 | - | - | 9.53 | - | -- | - | - | ||||
| 1050 | 42 | 1066.8 | 1066.8 | - | - | - | - | - | 9.53 | - | - | - | - | ||||
| 1100 | 44 | 1117.6 | 1117.6 | - | - | - | - | - | 9.53 | - | - | - | - | - | - | - | |
| 1150 | 46 | 1168.4 | 1168.4 | - | - | - | - | - | 9.53 | - | - | - | - | - | - | - | |
| 1200 | 48 | 1219.2 | 1219.2 | 1220.0 | - | - | - | - | 9.53 | - | - | - | - | - | - | - |