Nominal size | Outside diameter (mm) | Carbon steel pipes for ordinary piping | Carbon steel pipes for pressure service | ||||||
Nominal thickness | |||||||||
A | B | Thickness (mm) | Sch10 | Sch20 | Sch30 | Sch40 | Sch60 | Sch80 | |
15 | 1/2 | 21.7 | 2.8 | - | - | - | 2.8 | 3.2 | 3.7 |
20 | 3/4 | 27.2 | 2.8 | - | - | - | 2.9 | 3.4 | 3.9 |
25 | 1 | 34 | 3.2 | - | - | - | 3.4 | 3.9 | 4.5 |
32 | 1 1/4 | 42.7 | 3.5 | - | - | - | 3.6 | 4.5 | 4.9 |
40 | 1 1/2 | 48.6 | 3.5 | - | - | - | 3.7 | 4.5 | 5.1 |
50 | 2 | 60.5 | 3.8 | - | 3.2 | - | 3.9 | 4.9 | 5.5 |
65 | 2 1/2 | 76.3 | 4.2 | - | 4.5 | - | 5.2 | 6 | 7 |
80 | 3 | 89.1 | 4.2 | - | 4.5 | - | 5.5 | 6.6 | 7.6 |
100 | 4 | 114.3 | 4.5 | - | 4.9 | - | 6 | 7.1 | 8.6 |
125 | 5 | 139.8 | 4.5 | - | 5.1 | - | 6.6 | 8.1 |