Back
Pipe Table 2: Pipe and Tube Dimensions
Nominal Diameter (in.) 
SDR 9
OD/ID (mm)
SDR 11
OD/ID (mm)
SDR 13.5
OD/ID (mm)
SDR 17
OD/ID (mm)
Schedule 40
OD/ID (mm)
Schedule 80
OD/ID (mm)
Copper (L)
OD/ID (mm)
3/4  ( 20 mm )
26.7 / 20.8
26.7 / 21.8
26.7 / 23.6
26.7 / 20.9
 26.7 / 18.8
 22.2 / 19.9
1  ( 25 mm )
33.4 / 26.0
33.4 / 27.4
28.6/24.3
33.4 / 29.5
33.4 / 26.6
 33.4 / 24.3
 28.6 / 26.0
1 1/4  (32 mm)
42.2 / 32.8
42.2 / 34.5
34.9/29.7
42.2 / 37.1
42.2 / 35.0
42.2 / 32.5
 34.9 / 32.1
1 1/2  ( 37.5 mm )
48.2 / 37.5
48.2 / 39.4
41.3/35.2
48.2 / 42.7
 48.2 / 40.9
 48.2 / 38.1
 41.3 / 38.2
2  ( 50 mm )
60.3 / 46.9
60.3 / 49.3
54.0/46.0
60.3 / 53.3
 60.3 / 52.5
 60.3 / 49.3
 54.0 / 50.42
3  ( 75 mm )
88.9 / 69.1
88.9 / 72.6
88.9 / 78.5
 88.9 / 77.9
 88.9 / 73.7
 79.4 / 74.8
4  ( 100 mm )
114.3 / 88.9
114.3 / 93.5
114.3 / 101
 114.3 / 102
 114.3 / 97.2
 104.8 / 99.2
6  ( 150 mm )
168.2 / 130.8
168.2 / 138
168.2 / 148
 168.2 / 154
 168.2 / 146
 
8  ( 200 mm )
219.1 / 170.4
219.1 / 179
219.1 / 193
 219.1 / 203
 219.1 / 194
 
10  ( 250 mm )
273.1 / 212.4
273.1 / 224
273.1 / 241
 273.1 / 254
273.1 / 243
 
12  ( 300 mm )
323.9 / 251.9
323.9 / 265
323.9 / 285.8
323.9 / 303
323.9 / 289
 

Back