Cast Iron Pipe, Standard Classes, 24…84 inch
Size
in.
Class
in.
A B C D E F G H
24
OD
25.80 25.80 26.32 26.32 26.90 26.90 27.76 27.76
Wall
0.76 0.98 1.05 1.16 1.31 1.45 1.75 1.88
ID
24.28 24.02 24.22 24.00 24.28 24.00 24.26 24.00
30
O D
31.74 32.00 32.40 32.74 33.10 33.46
—
Wall
0.88 1.03 1.20 1.37 1.55 1.73
ID
29.98 29.94 30.00 30.00 30.00 30.00
36
OD
37.96 38.30 38.70 39.16 39.60 40.04
—
Wall
0.99 1.15 1.36 1.58 1.80 2.02
ID
35.98 36.00 35.98 36.00 36.00 36.00
42
OD
44.20 44.50 45.10 45.58
—
Wall
1.10 1.28 1.54 1.78
ID
42.00 41.94 42.02 42.02
48
OD
50.55 50.80 51.40 51.98
—
Wall
1.26 1.42 1.71 1.99
ID
47.98 47.96 47.98 48.00
54
OD
56.66 57.10 57.80 58.40
—
Wall
1.35 1.55 1.90 2.23
ID
53.96 54.00 54.00 53.94
60
OD
62.80 63.40 64.20 64.28
—
Wall
1.39 1.67 2.00 2.38
ID
60.02 60.06 60.20 60.06
72
OD
75.34 76.00 76.88
—
Wall
1.62 1.95 2.39
ID
72.10 72.10 72.10
84
OD
87.54 88.54
—
Wall
1.72 2.22
ID
84.10 84.10
Table 25: Cast iron pipe, standard classes, 24…84 inch
North American Pipe Schedules
Page 114 May 2016TTM-UM-00136-EN-06