Wall Thickness Schedules (ASME B36.10 B36.19)
Nominal Pipe Size (NPS) | Outside Diameter | Nominal Wall Thickness | |||||||||||||||
Sch5s | Sch10s | Sch40s | Sch80s | Sch5 | Sch10 | Sch20 | |||||||||||
A | B | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN |
8 | 1/4 | 13.7 | 0.540 | - | - | 1.65 | 0.065 | 2.24 | 0.088 | 3.02 | 0.119 | - | - | 1.65 | 0.065 | - | - |
10 | 3/8 | 17.1 | 0.675 | - | - | 1.65 | 0.065 | 2.31 | 0.091 | 3.20 | 0.126 | - | - | 1.65 | 0.065 | - | - |
15 | 1/2 | 21.3 | 0.840 | 1.65 | 0.065 | 2.11 | 0.083 | 2.77 | 0.109 | 3.73 | 0.147 | 1.65 | 0.065 | 2.11 | 0.083 | - | - |
20 | 3/4 | 26.7 | 1.05 | 1.65 | 0.065 | 2.11 | 0.083 | 2.87 | 0.113 | 3.91 | 0.154 | 1.65 | 0.065 | 2.11 | 0.083 | - | - |
25 | 1 | 33.4 | 1.32 | 1.65 | 0.065 | 2.77 | 0.109 | 3.38 | 0.133 | 4.55 | 0.179 | 1.65 | 0.065 | 2.77 | 0.109 | - | - |
32 | 1¼ | 42.2 | 1.66 | 1.65 | 0.065 | 2.77 | 0.109 | 3.56 | 0.140 | 4.85 | 0.191 | 1.65 | 0.065 | 2.77 | 0.109 | - | - |
40 | 1½ | 48.3 | 1.9 | 1.65 | 0.065 | 2.77 | 0.109 | 3.68 | 0.145 | 5.08 | 0.200 | 1.65 | 0.065 | 2.77 | 0.109 | - | - |
50 | 2 | 60.3 | 2.38 | 1.65 | 0.065 | 2.77 | 0.109 | 3.91 | 0.154 | 5.54 | 0.218 | 1.65 | 0.065 | 2.77 | 0.109 | - | - |
65 | 2½ | 73.0 | 2.88 | 2.11 | 0.083 | 3.05 | 0.120 | 5.16 | 0.203 | 7.01 | 0.276 | 2.11 | 0.083 | 3.05 | 0.120 | - | - |
80 | 3 | 88.9 | 3.5 | 2.11 | 0.083 | 3.05 | 0.120 | 5.49 | 0.216 | 7.62 | 0.300 | 2.11 | 0.083 | 3.05 | 0.120 | - | - |
90 | 3½ | 101.6 | 4 | 2.11 | 0.083 | 3.05 | 0.120 | 5.74 | 0.226 | 8.08 | 0.318 | 2.11 | 0.083 | 3.05 | 0.120 | - | - |
100 | 4 | 114.3 | 4.5 | 2.11 | 0.083 | 3.05 | 0.120 | 6.02 | 0.237 | 8.56 | 0.337 | 2.11 | 0.083 | 3.05 | 0.120 | - | - |
125 | 5 | 141.3 | 5.56 | 2.77 | 0.109 | 3.40 | 0.134 | 6.55 | 0.258 | 9.53 | 0.375 | 2.77 | 0.109 | 3.40 | 0.134 | - | - |
150 | 6 | 168.3 | 6.62 | 2.77 | 0.109 | 3.40 | 0.134 | 7.11 | 0.280 | 10.97 | 0.432 | 2.77 | 0.109 | 3.40 | 0.134 | - | - |
200 | 8 | 219.1 | 8.62 | 2.77 | 0.109 | 3.76 | 0.148 | 8.18 | 0.322 | 12.70 | 0.500 | 2.77 | 0.109 | 3.76 | 0.148 | 6.35 | 0.250 |
250 | 10 | 273.0 | 10.75 | 3.40 | 0.134 | 4.19 | 0.165 | 9.27 | 0.365 | 12.70 | 0.500 | 3.40 | 0.134 | 4.19 | 0.165 | 6.35 | 0.250 |
300 | 12 | 323.8 | 12.75 | 3.96 | 0.156 | 4.57 | 0.180 | 9.53 | 0.375 | 12.70 | 0.500 | 3.96 | 0.156 | 4.57 | 0.180 | 6.35 | 0.250 |
350 | 14 | 355.6 | 14 | 3.96 | 0.156 | 4.78 | 0.188 | 9.53 | 0.375 | 12.70 | 0.500 | 3.96 | 0.156 | 6.35 | 0.250 | 7.92 | 0.312 |
400 | 16 | 406.4 | 16 | 4.19 | 0.165 | 4.78 | 0.188 | 9.53 | 0.375 | 12.70 | 0.500 | 4.19 | 0.165 | 6.35 | 0.250 | 7.92 | 0.312 |
450 | 18 | 457 | 18 | 4.19 | 0.165 | 4.78 | 0.188 | 9.53 | 0.375 | 12.70 | 0.500 | 4.19 | 0.165 | 6.35 | 0.250 | 7.92 | 0.312 |
500 | 20 | 508 | 20 | 4.78 | 0.188 | 5.54 | 0.218 | 9.53 | 0.375 | 12.70 | 0.500 | 4.78 | 0.188 | 6.35 | 0.250 | 9.53 | 0.375 |
550 | 22 | 559 | 22 | 4.78 | 0.188 | 5.54 | 0.218 | 9.53 | 0.375 | 12.70 | 0.500 | 4.78 | 0.188 | 6.35 | 0.250 | 9.53 | 0.375 |
600 | 24 | 610 | 24 | 5.54 | 0.218 | 6.35 | 0.250 | 9.53 | 0.375 | 12.70 | 0.500 | 5.54 | 0.218 | 6.35 | 0.250 | 9.53 | 0.375 |
650 | 26 | 660 | 26 | - | - | - | - | - | - | - | - | - | - | 7.92 | 0.312 | 12.70 | 0.500 |
700 | 28 | 711 | 28 | - | - | - | - | - | - | - | - | - | - | 7.92 | 0.312 | 12.70 | 0.500 |
750 | 30 | 762 | 30 | 6.35 | 0.250 | 7.92 | 0.312 | 9.53 | 0.375 | 12.70 | 0.500 | 6.35 | 0.250 | 7.92 | 0.312 | 12.70 | 0.500 |
800 | 32 | 813 | 32 | - | - | - | - | - | - | - | - | - | - | 7.92 | 0.312 | 12.70 | 0.500 |
850 | 34 | 864 | 34 | - | - | - | - | - | - | - | - | - | - | 7.92 | 0.312 | 12.70 | 0.500 |
900 | 36 | 914 | 36 | - | - | - | - | - | - | - | - | - | - | 7.92 | 0.312 | 12.70 | 0.500 |
950 | 38 | 965 | 38 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1000 | 40 | 1016 | 40 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1050 | 42 | 1067 | 42 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1100 | 44 | 1118 | 44 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1150 | 46 | 1168 | 46 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
1200 | 48 | 1219 | 48 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Nominal Pipe Size (NPS) | Outside Diameter | Nominal Wall Thickness | |||||||||||||||
Sch40 | Sch60 | XS | Sch80 | Sch100 | Sch120 | Sch140 | |||||||||||
A | B | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN | MM | IN |
8 | 1/4 | 13.7 | 0.540 | 2.24 | 0.088 | - | - | 3.02 | 0.119 | 3.02 | 0.119 | - | - | - | - | - | - |
10 | 3/8 | 17.1 | 0.675 | 2.31 | 0.091 | - | - | 3.20 | 0.126 | 3.20 | 0.126 | - | - | - | - | - | - |
15 | 1/2 | 21.3 | 0.840 | 2.77 | 0.109 | - | - | 3.73 | 0.147 | 3.73 | 0.147 | - | - | - | - | - | - |
20 | 3/4 | 26.7 | 1.05 | 2.87 | 0.113 | - | - | 3.91 | 0.154 | 3.91 | 0.154 | - | - | - | - | - | - |
25 | 1 | 33.4 | 1.32 | 3.38 | 0.133 | - | - | 4.55 | 0.179 | 4.55 | 0.179 | - | - | - | - | - | - |
32 | 1¼ | 42.2 | 1.66 | 3.56 | 0.140 | - | - | 4.85 | 0.191 | 4.85 | 0.191 | - | - | - | - | - | - |
40 | 1½ | 48.3 | 1.9 | 3.68 | 0.145 | - | - | 5.08 | 0.200 | 5.08 | 0.200 | - | - | - | - | - | - |
50 | 2 | 60.3 | 2.38 | 3.91 | 0.154 | - | - | 5.54 | 0.218 | 5.54 | 0.218 | - | - | - | - | - | - |
65 | 2½ | 73.0 | 2.88 | 5.16 | 0.203 | - | - | 7.01 | 0.276 | 7.01 | 0.276 | - | - | - | - | - | - |
80 | 3 | 88.9 | 3.5 | 5.49 | 0.216 | - | - | 7.62 | 0.300 | 7.62 | 0.300 | - | - | - | - | - | - |
90 | 3½ | 101.6 | 4 | 5.74 | 0.226 | - | - | 8.08 | 0.318 | 8.08 | 0.318 | - | - | - | - | - | - |
100 | 4 | 114.3 | 4.5 | 6.02 | 0.237 | - | - | 8.56 | 0.337 | 8.56 | 0.337 | - | - | 11.13 | 0.438 | - | - |
125 | 5 | 141.3 | 5.56 | 6.55 | 0.258 | - | - | 9.53 | 0.375 | 9.53 | 0.375 | - | - | 12.70 | 0.500 | - | - |
150 | 6 | 168.3 | 6.62 | 7.11 | 0.280 | - | - | 10.97 | 0.432 | 10.97 | 0.432 | - | - | 14.27 | 0.562 | - | - |
200 | 8 | 219.1 | 8.62 | 8.18 | 0.322 | 10.31 | 0.406 | 12.70 | 0.500 | 12.70 | 0.500 | 15.09 | 0.594 | 18.26 | 0.719 | 20.62 | 0.812 |
250 | 10 | 273.0 | 10.75 | 9.27 | 0.365 | 12.70 | 0.500 | 12.70 | 0.500 | 15.09 | 0.594 | 18.26 | 0.719 | 21.44 | 0.844 | 25.40 | 1.000 |
300 | 12 | 323.8 | 12.75 | 10.31 | 0.406 | 14.27 | 0.562 | 12.70 | 0.500 | 17.48 | 0.688 | 21.44 | 0.844 | 25.40 | 1.000 | 28.58 | 1.125 |
350 | 14 | 355.6 | 14 | 11.13 | 0.438 | 15.09 | 0.594 | 12.70 | 0.500 | 19.05 | 0.750 | 23.83 | 0.938 | 27.79 | 1.094 | 31.75 | 1.250 |
400 | 16 | 406.4 | 16 | 12.70 | 0.500 | 16.66 | 0.656 | 12.70 | 0.500 | 21.44 | 0.844 | 26.19 | 1.031 | 30.96 | 1.219 | 36.53 | 1.438 |
450 | 18 | 457 | 18 | 14.27 | 0.562 | 19.05 | 0.750 | 12.70 | 0.500 | 23.83 | 0.938 | 29.36 | 1.156 | 34.93 | 1.375 | 39.67 | 1.562 |
500 | 20 | 508 | 20 | 15.09 | 0.594 | 20.62 | 0.812 | 12.70 | 0.500 | 26.19 | 1.031 | 32.54 | 1.281 | 38.10 | 1.500 | 44.45 | 1.750 |
550 | 22 | 559 | 22 | - | - | 22.23 | 0.875 | 12.70 | 0.500 | 28.58 | 1.125 | 34.93 | 1.375 | 41.28 | 1.625 | 47.63 | 1.875 |
600 | 24 | 610 | 24 | 17.48 | 0.688 | 24.61 | 0.969 | 12.70 | 0.500 | 30.96 | 1.219 | 38.89 | 1.531 | 46.02 | 1.812 | 52.37 | 2.062 |
650 | 26 | 660 | 26 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
700 | 28 | 711 | 28 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
750 | 30 | 762 | 30 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
800 | 32 | 813 | 32 | 17.48 | 0.688 | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
850 | 34 | 864 | 34 | 17.48 | 0.688 | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
900 | 36 | 914 | 36 | 19.05 | 0.750 | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
950 | 38 | 965 | 38 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
1000 | 40 | 1016 | 40 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
1050 | 42 | 1067 | 42 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
1100 | 44 | 1118 | 44 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
1150 | 46 | 1168 | 46 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |
1200 | 48 | 1219 | 48 | - | - | - | - | 12.70 | 0.500 | - | - | - | - | - | - | - | - |