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

EN 10208-1,2 STANDARD
Steel grades used L210GA, L235GA, L245GA, L290GA, L360GA, L245NB, L290NB, L360NB, L415NB
Outside diameter: 33.7mm to 1626mm
Wall thickness up to: 40 mm
Length: 6000mm to 12000mm

EN 10210-1,2 STANDARD
Steel grades used S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S275NH, S275NLH, S355NH, S355NLH, S460NH, S460NLH
Outside diameter: 21.3mm to 1210mm
Wall thickness up to: 50 mm
Length: 6 - 15 m

DIN EN 10217-1, 2, 3, 4, 5, 6
Steel grade P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2, P195GH, P235GH, P265GH, P355N
Outside diameter: 406.4 to 2540 mm
Wall thickness, mm: 8.0 - 40.0

DIN EN 10219-1(2)
Steel grades S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S275NH, S275NLH, S355NH, S355NLH, S460NH, S460NLH
Outer Diameter: 21.3mm to 1219.0mm
Wall thickness up to 50 mm
Length: 6 - 12 m