Serving the Industrial, Marine and Construction Trades Since 1952

Pipe Wall Thickness Chart

Nominal Size Sch O.D. Actual I.D. Thickness Lbs. / FT
1 1/2 40 1.9 1.61 0.145 2.72
2 10 2.375 2.157 0.109 .
40 2.375 2.067 0.154 3.65
80 2.375 1.939 0.218 5.02
2 1/2 10 2.875 2.635 0.12 .
40 2.875 2.469 0.203 5.82
80 2.875 2.323 0.276 7.66
3 10 3.5 3.26 0.12 .
40 3.5 3.068 0.216 7.58
80 3.5 2.9 0.3 10.25
3 1/2 10 4 3.76 0.12 .
40 4 3.548 0.226 9.11
80 4 3.364 0.318 12.51
4 10 4.5 4.26 0.12 .
40 4.5 4.026 0.237 10.79
80 4.5 3.826 0.337 14.98
5 10 5.563 5.295 0.134 .
40 5.563 5.047 0.258 14.62
80 5.563 4.813 0.375 20.78
6 10 6.625 6.357 0.134 .
40 6.625 6.065 0.28 18.97
80 6.625 5.761 0.432 28.57
8 10 8.625 8.329 0.148 .
40 8.625 7.981 0.322 28.55
80 8.625 7.625 0.5 43.39
10 40 10.75 10.02 0.365 40.48
80 10.75 9.564 0.593 64.33