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Home > Seamless Steel Pipe Introduction > Wall Thickness Data > ASME、ANSI
ASME、ANSI JIS DIN

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 - - - - - - - -
Wall Thickness Data

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