All dimensions are nominal

Pipe Size ASA Pipe Schedule – Wall Thickness
Size
Inches
O.D.
Inches
100 Wt./Ft.
(Lbs.)
120 Wt./Ft.
(Lbs.)
160 Wt./Ft.
(Lbs.)
1/2 .840 .188 1.31
3/4 .540 .219 1.94
1 1.315 .250 2.84
1 1/4 1.660 .250 3.76
1 1/2 1.900 .281 4.86
2 2.375 .344 7.46
2 1/2 2.875 .375 10.01
3 3.500 .438 14.31
4 4.500 .438 18.98 .531 22.52
5 5.563 .500 27.04 .625 32.96
6 6.625 .562 36.42 .719 45.34
8 8.625 .594 50.93 .719 60.69 .906 74.71
10 10.750 .719 77.00 .844 89.27 1.125 115.65
12 12.750 .844 107.29 1.000 125.49 1.312 160.33
14 14.000 .938 130.79 1.094 150.76 1.406 189.15
16 16.000 1.031 164.86 1.219 192.40 1.594 245.22
18 18.000 1.156 208.00 1.375 244.14 1.781 308.55
20 20.000 1.281 256.15 1.500 296.37 1.969 379.14
22 22.000 1.375 302.88 1.625 353.61 2.125 451.07
24 24.000 1.531 367.45 1.812 429.50 2.344 542.09