ABS Pipe Measurements

Imperial ABS Pipe

This table gives inside and outside diameters and wall thicknesses of our ABS pipe. Please note that due to the extrusion process used to manufacture plastic pipe, the outside diameter is the "controlled" diameter (as it must fit into pipe sockets on fittings). As a result, the inside diameter has a larger tolerance and may vary a little.

Pipe Size
1/2"
3/4"
1"
1 1/4"
1 1/2"
2"
2 1/2"
3"
4"
6"
OD (mm)
21.4
26.7
33.6
42.2
48.3
60.3
75.2
88.9
114.3
168.3
Class C
Wall (mm)
-
-
2
2.5
2.8
3.6
5
5.2
6.6
9.9
ID (mm)
-
-
29.6
37.2
42.7
53.1
65.2
78.5
101.1
148.5
Class E
Wall (mm)
2
2.5
3.1
3.9
4.5
5.6
-
8.3
10.6
-
ID (mm)
17.4
21.7
27.4
34.4
39.3
49.1
-
72.3
93.1
-
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