Steel Welded Pipes for Main Gas-and-Oil Pipelines GOST 20295-85 Pipe Sizes and Weight
| Outer diameter, mm | Weight of 1 m of pipes, kg, with the wall thickness, mm | Steel Grade | ||||||||||
| 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 10 | ||
| 159 | 17.15 | 18.99 | 20.82 | 22.64 | 24.44 | 26.24 | - | - | - | - | - | |
| 219 | - | 26.39 | 28.96 | 31.52 | 34.06 | 36.6 | 39.12 | 41.63 | - | - | - | K34, K38 |
| 273 | - | 33.05 | 36.28 | 39.51 | 42.72 | 45.92 | 49.11 | 52.28 | 55.44 | 58.59 | - | |
| 325 | - | - | 43.34 | 47,2 | 51,05 | 54,9 | 58,73 | 62,54 | 66.35 | 70.14 | 77.68 | K42, K50 |
| 426 | - | - | - | 62.15 | 67.25 | 72.33 | 77.41 | 82.47 | 87.52 | 92.56 | 102.59 | |
| 530 | - | - | - | - | - | 90.29 | 96.64 | 102.99 | 109.32 | 115.64 | 128.24 | K52, K55 |
The pipes are delivered by length as follows:
- Random length within the range from 10.6 to 12 mm heat-treated over a welding joint. It is permitted to deliver up to 10 % of pipes (by weight) with the length of 8 m at least.
The strength classes of pipes being manufactured are as follows:
Mandatory Requirements:
- carrying out the hydraulic pressure test
Large-diameter Longitudinal Electrically Welded Pipes
Steel Welded Pipes for Main Gas-and-Oil Pipelines GOST 20295-85
| Regulatory Technical Documentation | Sizes of pipes | Steel Grade | |
| Outer diameter, mm | Wall thickness, mm | ||
| Steel Welded Pipes for Main Gas-and-Oil Pipelines GOST 20295-85 | 530 to 1020 | 8.0 to 25.0 | ЗСп (K34), ст20 (K42) low alloy (K50, K52, K55, K60) |