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Pipes for gas pipelines

DesignationDocumentationOuter diameter, mmWall thickness, mmStrenth class / steel gradeLength, mNote

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 – 20066308−32 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.
7208−32
8208−32
102010−32
122012−32
142014−32

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  1381−009−47966425−200772013.4, 16.1, 19.3К60Type I: 10,5−12,1
Type II: 16,5−18,3
Working pressure 11,8 MPa
102018.9, 22.7, 27.3
122022.7, 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  1381−010−47966425−2007121927.0SAWL 450 I FD11,3−11,7Working 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 1381−011−47966425−2008142023.0, 27.7, 33.4К6510,5−12,1
16,5−18,3
Working pressure 11,8 MPa

Steel welded pipes for gas and oil trunk pipelines

GOST 20295−856308−12К-52 / 17Г1С(У);
К-55 / 13Г1С(У);
К-56 / 12Г2СБ;
К-60 / 10Г2ФБ(У,Ю).
10,6−11,6
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