Russian
November 27, 2018
JSC Gazpromtrubinvest passed successfully a recertification audit of the QMS for the requirements of ISO 9001: 2015
April 27, 2018
25 years for the benefit of the development of the country's pipe industry.
June 8, 2017
JSC Gazpromtrubinvest and PAO Severstal confirmed their strategic partnership.

Production | Pipe in square and rectangular shape

The main features:
1.
Pipes are manufactured from coiled steel that ensures a narrow range of chemical composition, low percentage of harmful impurities (sulfur, phosphorus) and inclusions, minimum difference in wall thickness in the final pipe.
2.
100% of welded seam is annealed that ensures weld seam structure normalization and equal strength both of the weld seam and the base material.
3.
The pipes are manufactured from the following steel groups: 3сп, 09Г2С.
4.
As agreed with the customer, the pipe of intermediate sizes and grades can be manufactured.

Standard

Outside diameter, mm

Wall thickness, mm

Grades

GOST 8639-82 Square steel pipe. Product Range


GOST 8645-68 Rectangular steel pipe. Product Range


GOST 30245-2003 Welded square and rectangular bent closed steel sections for building. Specification

80x80

100х100

120х80

120x120

140x140

150х100

300х300

320х180

350х250

400х200

3,0-8,0

3,0-8,0

3,0-7,0

3,0-8,0

4,0-8,0

4,0-7,0

6,0-12,0

6,0-12,0

6,0-12,0

10,0-12,0

Ст0, Ст1,

Ст2, Ст3,

Ст4, Ст5,

Ст6, 08, 10,

15, 20, 25,

30, 35, 40,

45, 50, 55, 58, 60

See also:










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