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Cast Iron Pipe Sizes

The table was laid out so it would be consistent with the tables for steel and iron pipe.  In order to make navigation easier, here are bookmarks for each size of pipe listed.

NOMINAL
SIZE
OUTER
DIAMETER
4" 4.8"
6 6.9
8 9.05
10 11.1
12 13.2
14 15.3
16 17.4
18 19.5
20 21.6
24 25.8
30 32
36 38.3
42 44.5
48 50.8
54 57.56
60 61.61
64 65.67
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Last modified: February 21, 2011