Schedule 10 vs Schedule 40
The schedule number on pipe products relates to the thickness of the wall on the pipe: as the number increases, the thicker the wall thickness becomes. Also, while the schedule number can be the same on different sized pipes, the actual wall thickness will be different.
Wall Thickness | |||
Size | OD | Sch 10 | Sch 40 |
1-1/2″ | 1.900 | 0.109 | 0.145 |
2″ | 2.375 | 0.109 | 0.154 |
3″ | 3.500 | 0.120 | 0.216 |
4″ | 4.500 | 0.120 | 0.237 |
6″ | 6.625 | 0.134 | 0.280 |
8″ | 8.625 | 0.148 | 0.322 |
10″ | 10.750 | 0.165 | 0.365 |