Conduit thicknesses

Surface mounted conduit

Diameter (Ø mm) Thickness (mm)
12 2.4
16 2.8
20 3.0
25 3.5
32 3.8
40 4.3
50 4.8
63 5.5
75 6.2

Conduit embedded or enclosed

Diameter (Ø mm) Thickness (mm)
12 2.3
16 2.7
20 3.3
25 3.5
32 3.9
40 4.4
50 5.2
63 5.6
75 6.1

Buried conduit in ground

Diameter (Ø mm) Thickness (mm)
25 5.0
32 5.0
40 5.0
50 6.5
63 8.0
75 9.5
90 11.5
110 14.0
125 15.5
140 20.0
160 20.0
180 25.0
200 25.0
225 31.0
250 31.0
315 39.0
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