Steel, Stainless Steel, PVC Pipe, Standard Classes (continued)
NPS
in.
OD
in.
SCH 5
SCH 10
(Lt Wall)
SCH 20 SCH 30 STD SCH 40
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
1 1.315 1.185 0.065 1.097 0.109
— —
1.049
—
1.049 0.133
1.25 1.660 1.53 0.065 1.442 0.109 1.380 1.380 0.140
1.5 1.900 1.77 0.065 1.682 0.109 1.610 1.610 0.145
2 2.375 2.245 0.065 2.157 0.109 2.067 2.067 0.154
2.5 2.875 2.709 0.083 2.635 0.120 2.469 2.469 0.203
3 3.500 3.334 0.083 3.260 0.120 3.068 3.068 0.216
3.5 4.000 3.834 0.083 3.760 0.120
— —
3.548 — 3.548 0.226
4 4.500 4.334 0.083 4.260 0.120 4.026 0.237 4.026 0.237
5 5.563 5.345 0.109 5.295 0.134 5.047 0.258 5.047 0.258
6 6.625 6.407 0.109 6.357 0.134 6.065 0.280 6.065 0.280
8 8.625 8.407 0.109 8.329 0.148 8.125 0.250 8.071 0.277 7.981 0.322 7.981 0.322
10 10.75 10.482 0.134 10.42 0.165 10.25 0.250 10.13 0.310 10.02 0.365 10.02 0.365
12 12.75 12.42 0.165 12.39 0.180 12.25 0.250 12.09 0.330 12.00 0.375 11.938 0.406
14 14.00
—
13.50 0.250 13.37 0.315 13.25 0.375 13.25 0.375 13.124 0.438
16 16.00 15.50 0.250 15.37 0.315 15.25 0.375 15.25 0.375 15.000 0.500
18 18.00 17.50 0.250 17.37 0.315 17.12 0.440 17.25 0.375 16.876 0.562
20 20.00 19.50 0.250 19.25 0.375 19.25 0.375 19.25 0.375 18.814 0.593
24 24.00 23.50 0.250 23.25 0.375 23.25 0.375 23.25 0.375 22.626 0.687
30 30.00
—
29.37 0.315 29.00 0.500 29.00 0.500 29.25 0.375 29.25 0.375
36 36.00 35.37 0.315 35.00 0.500 35.00 0.500 35.25 0.375 35.25 0.375
42 42.00
— — —
41.25 0.375 41.25 0.375
48 48.00 47.25 0.375 47.25 0.375
Table 22: Steel, stainless steel, PVC pipe, standard classes (continued)
North American Pipe Schedules
Page 111 May 2016 TTM-UM-00136-EN-06
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