| Designation | Documentation | Outer diameter, mm | Wall thickness, mm | Strenth class / steel grade | Length, m | Note |
|---|---|---|---|---|---|---|
|
Longitudinal arc welded steel pipes with outer diameter 610−1420 mm for gas trunk pipelines, intended for working pressure up to 9,8 MPa | TU 1381 – 003 – 47966425 – 2006 | 630 | 8−32 |
K52−K60 X56−X70 | Type I:
10,5 − 12,1 Type II: 16,5 − 18,3 | It is acceptable to produce pipes with diameter 610, 660, 711, 762, 813, 914, 1016, 1067, 1219, 1420 mm according to standards API Spec 5L,ISO 3183−3. |
| 720 | 8−32 | |||||
| 820 | 8−32 | |||||
| 1020 | 10−32 | |||||
| 1220 | 12−32 | |||||
| 1420 | 14−32 | |||||
|
Longitudinal arc welded steel pipes with outer diameter 720−1420 mm for gas trunk pipelines, intended for working pressure up to 11,8 MPa | TU 1381−009−47966425−2007 | 720 | 13.4, 16.1, 19.3 | К60 | Type I:
10,5−12,1 Type II: 16,5−18,3 | Working pressure 11,8 MPa |
| 1020 | 18.9, 22.7, 27.3 | |||||
| 1220 | 22.7, 27.2, 32.6 | |||||
|
Longitudinal arc welded steel pipes with outer diameter 1219 mm for submarine gas trunk pipelines, intended for working pressure up to 11,8 MPa | TU 1381−010−47966425−2007 | 1219 | 27.0 | SAWL 450 I FD | 11,3−11,7 | Working pressure 11,8 MPa |
|
Longitudinal arc welded steel pipes with outer diameter 1420 mm with strenth class К65 for gas trunk pipelines, intended for working pressure up to 11.8 MPa | TU 1381−011−47966425−2008 | 1420 | 23.0, 27.7, 33.4 | К65 | 10,5−12,1 16,5−18,3 | Working pressure 11,8 MPa |
|
Steel welded pipes for gas and oil trunk pipelines | GOST 20295−85 | 630 | 8−12 | К-60 / 10Г2ФБ(У,Ю). | 10,6−11,6 |
