The tubes are used for pipelines and different functions structures. They are made from steels 08, 10
| Outer diameter, mm | Wall thickness, mm | Length of tubes, m |
| 57 | 2.0÷3.5 | According to the length of tube the random length from 4 to 9 m are tailored |
| 76 | 2.0÷3.5 | |
| 89 | 3.0÷4.0 | |
| 102 | 3.0÷4.0 | |
| 108 | 3.0÷4.0 |
| Type of steel | Ultimate strength, | Yield strength, | Elongination, % |
| no less than | |||
| 08 | 314 | 196 | 25 |
| 1-3 ПС, СП | 333 | 206 | 24 |
| 1-3 ПС, СП | 372 | 225 | 22 |
| Outer diameter, mm | Tolerances in strict tailoring for tubes, % | |
| High | Ordinary | |
| 57-108 | ||
| Wall thickness, mm | - | |