Nominal Size
Wall Thickness
8 1/4 S80 14.3 23 10 9.4 21.1 11.1
10 3/8 S80 17.8 28 13 12.7 26.5 13.5
15 1/2 S80 22.2 33 13 16.1 28.9 15.9
20 3/4 S80 27.7 38 16 21.4 35.1 19.1
25 1 S80 34.5 47 16 27.2 38.2 22.2
32 11/4 S80 43.2 57 18 35.5 45.0 27.0
40 11/2 S80 49.1 64 19 41.2 50.8 31.8
50 2 S80 61.1 77 22 52.7 60.1 38.1
65 21/2 S80 77.1 96 26 65.9 67.3 41.3
80 3 S 80 90.0 110 29 78.1 86.2 57.2
15 1/2 S160 22.2 38 16 12.3 35.1 19.1
20 3/4 S160 27.7 47 16 16.2 38.2 22.2
25 1 S160 34.5 57 18 21.2 45.0 27.0
32 11/4 S160 43.2 64 19 29.9 50.8 31.8
40 11/2 S160 49.1 77 22 34.4 60.1 38.1
50 2 S160 61.1 91 23 43.1 64.3 41.3
65 21/2 S160 77.1 110 28 57.3 85.2 57.2
80 3 S160 90.0 120 31 66.9 94.5 63.5