TABLE B-4. U.S. IPS (NPS) PIPE-SIZE TABLE
Nominal Pipe Schedule Wall Thickness ID
Size and Real OD No. in. mm in. mm
(^1) ⁄ 8 "0.405"(10.3 mm) 40 0.068 1.73 0.269 6.83
80 0.095 2.41 0.215 5.46
—————
(^1) ⁄ 4 "0.540"(13.7 mm) 40 0.088 2.24 0.364 9.25
80 0.119 3.02 0.302 7.67
—————
(^3) ⁄ 8 "0.675"(17.1 mm) 40 0.091 2.31 0.493 12.52
80 0.126 3.20 0.423 10.74
—————
(^1) ⁄ 2 "0.840"(21.3 mm) 5 0.065 1.65 0.710 18.03
10 0.083 2.11 0.674 17.12
40 0.109 2.77 0.622 15.80
80 0.147 3.73 0.546 13.87
(^3) ⁄ 4 "1.050"(26.7 mm) 5 0.065 1.65 0.920 23.37
10 0.083 2.11 0.884 22.45
40 0.113 2.87 0.824 20.93
80 0.154 3.91 0.742 18.85
1 "1.315"(33.4 mm) 5 0.065 1.65 1.185 30.10
10 0.109 2.77 1.097 27.86
40 0.133 3.38 1.049 26.64
80 0.179 4.55 0.957 24.31
11 ⁄ 4 "1.660"(42.2 mm) 5 0.065 1.65 1.530 36.86
10 0.109 2.77 1.442 36.63
40 0.140 3.56 1.380 35.05
80 0.191 4.85 1.278 32.46
11 ⁄ 2 "1.900"(48.3 mm) 5 0.065 1.65 1.770 44.96
10 0.109 2.77 1.682 42.72
40 0.145 3.68 1.610 40.89
80 0.200 5.08 1.500 38.10
2 "2.375"(60.3 mm) 5 0.065 1.65 2.245 57.02
10 0.109 2.77 2.157 54.79
40 0.154 3.91 2.067 52.50
80 0.218 5.54 1.939 49.25
21 ⁄ 2 "2.875"(73.0 mm) 5 0.083 2.11 2.709 68.81
10 0.120 3.05 2.635 66.93
40 0.203 5.16 2.469 62.71
80 0.276 7.01 2.323 59.00
3 "3.500"(88.9 mm) 5 0.083 2.11 3.334 84.68
10 0.120 3.05 3.260 82.80
40 0.216 5.49 3.068 77.93
80 0.300 7.62 2.900 73.66
31 ⁄ 2 "4.000” (101.6 mm) 5 0.083 2.11 3.834 97.38
10 0.120 3.05 3.760 95.50
40 0.226 5.74 3.548 90.12
80 0.318 8.08 3.364 85.45
APPENDIX B