Square pipes


Non-circular pipes of square section are manufactured in accordance with the specifications of GOST 13663-86 and assortments as per GOST 8639-82, GOST 8645-68 and GOST 8644-68.


Cold-worked steel non-circular electric-welded pipes of square section, in accordance with the specifications of GOST 13663-86 and assortments in accordance with GOST 8639-82, GOST 8645-68 and GOST 8644-68, are general-purpose pipes and used for the construction and repair of various metal structures.


The existing process equipment allows us to manufacture pipes in a wide range of diameters and wall thicknesses. Depending on the technical requirements of customers, pipes can be made from carbon steel of various grades.
The presence of the certified Central Plant Laboratory equipped with modern instrumentation, testing and spectral analysis equipment, as well as hydraulic test stands and non-destructive testing equipment (eddy current testing) installed in production pipe-rolling lines, make it possible to ensure that pipes meet the requirements of regulatory documents.


1. Sizes of square pipes are of 10×10 to 170×170 mm, the wall thickness is of 1.2 to 8 mm.

2. The standard length of pipes varies from 8,000 to 10,000 mm and is optimal when transporting pipes in flatbed trucks.

3. 100% of pipes are subject to surface and size control, and quality control of welded seams by an electromagnetic flaw detector.


Addres: 4 Furkat Street, Taskent, Uzbekistan.

Sales Department phone:
+ 998 (71) 207 41 10
+ 998 (71) 207 41 12

Telegram bot: https://t.me/ttzuz_bot
Telegram chat: + 998 (93) 005 96 88