Large diameter welded steel tubes

Welded steel tubes range:

— SAWL pipes ∅ 508 - 2220 mm (20-87")
— ERW pipes ∅ 508 - 530 mm (20-21")

  • Wall thickness up to 50 mm (1.97")
  • Pipes with diameter of 508 - 2220 mm (20-87") and wall thickness from 8 to 48 mm (0.28-1.89"), strength grade up to X100, and working pressure up to 24.7 MPa (250 atm.)
  • Standard length of all pipes is from 11.6 to 12.2 m
  • Pipes with diameter of 508 - 1067 mm (20-42") and wall thickness from 8 to 32 mm (0.28-1.26"), strength grade X80
  • Pipes are certified by American Petroleum Institute according to API Spec 5L
  • Pipes can be made with either one or two longitudinal welds

Pipes standard and steel grade

G0ST 10704/10705/10706

Steel grade 08 (ст.08), 3ps/sp (ст.3пс/сп), 20 (ст.20), 09G2S (09Г2С), 17G1S (17Г1С), 17GS (17ГС)
Outside dia., inches (mm)
21" (530) - 87" (2220)
Wall thickness, mm: 5.0 - 32.0

G0ST 20295

Steel grade 08 (ст.08), 3ps/sp (ст.3пс/сп), 20 (ст.20), 09G2S (09Г2С), 17G1S (17Г1С), 17GS (17ГС)
Strength class: K 34-K 60
Outside dia., inches (mm)
21" (530) - 40" (1020)
Wall thickness, mm: 5.0 - 25.0

DIN EN 10217-1, 2, 3

Steel grade P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2, P195GH, P235GH, P265GH, P355N
Outside dia., inches (mm)
20" (508) - 87" (2220)
Wall thickness, mm: 8.0 - 40.0

DIN EN 10219-1(2)

Steel grade S235 - S460
Outside dia., inches (mm)
20" (508) - 87" (2220)
Wall thickness, mm: 8.0 - 40.0