Pipe company "diameters 7", LTD. Nizhny Novgorod, Russia

OOO "pipe company "diameters 7" specializiruetsya in the production of electric-welded large diameter pipes according to GOST 20295-85, GOST 10706-76, connection elements of pipelines and integrated supply of metal. A team of specialists has more than 17 years of experience in the steel market.
We supply:
• Electric resistance welded steel pipes 57-1620 mm. GOST 10704, 10705, 10706, 20295
• Steel pipes and fittings in isolation VUS, PPU, CW
• Seamless steel tubes g/d, x/d GOST 8732/8734
• Pipe profile square and rectangular section GOST 8645/8639
• Connection elements of pipelines: elbows, reducers, tees, valves, etc.
• Conveyor rollers
• Long and flat rolled, rolled stainless, steel, non-ferrous, to customer‘s order
Products used in the construction of engineering communications in the oil and gas industry, mining companies, municipal utilities, road and transport construction, representers and Metalworking organizations.