Production technologies

The 60-120 piercing mill is designed for the production of cold-deformed pipes by deforming a hot billet. It includes a comprehensive set of equipment that enables preliminary cutting, sorting, and centering of the pipe billet.

PIERCING MILL

Year of commissioning: 2022 y.

Investments: $4 100 000

Production Capacity: 15,000 tons of pipes per year.

Adjustable parameters allow for the processing of different pipe types, and strict adherence to the technological process ensures the output of high-quality products.

This continuous furnace performs heat treatment of pipes in a protective hydrogen atmosphere without scale formation. The use of a non-oxidizing atmosphere during pipe heat treatment has eliminated the need for subsequent operations to restore the inner surface of the pipes – specifically, chemical descaling and electrochemical polishing of the pipes.

RoDR 2000CN roller hearth furnace

Year of commissioning: 2021 y.

Investments: $4 010 700

Equipment Productivity: 15,000 tons of pipes per year.

Heat treatment of pipes in the RoDR 2000CN furnace makes it possible to offer customers pipes that meet international standards, with a surface finished through heat treatment in a protective atmosphere. It also guarantees the pipes' resistance to intercrystalline corrosion, as well as a stable structure and consistent mechanical properties along the entire length of the pipes.

The furnace is used for the heat treatment of austenitic stainless steel pipes in a specially created and maintained protective atmosphere, specifically ultra-pure hydrogen. This high-tech equipment prevents the treated pipes from coming into contact with oxygen, which enhances product quality.

TXM Roller Hearth Furnace with Protective Atmosphere

Year of commissioning: 2025 y.

Investments: $4 950 000

Furnace Capacity: 21.9 thousand tons of pipes per year.

Heat treatment of pipes in the TKhM furnace prevents oxidation and other undesirable chemical reactions thanks to its protective atmosphere, guaranteeing the customer consistently high-quality pipe processing.

The continuous gas furnace performs heat treatment of pipes in a controlled gas atmosphere, which helps produce stronger, more corrosion-resistant, and uniform pipes. A uniform temperature required for the specific type of heat treatment is maintained inside the chamber, allowing for the processing of a wide range of pipe assortments.

Continuous Gas Furnace

Year of commissioning: 2025 y.

Investments: $ 2 500 000

Furnace Capacity: 21.9 thousand tons of pipes per year.

Heat treatment of pipes in the gas-fired roller hearth furnace makes it possible to offer customers high-quality pipes with a stable structure and consistent mechanical properties along the entire length, meeting strict industry standards.

The cold rolling mills for pipes ensure continuous rolling of stainless steel pipes using liquid lubricants, delivering high dimensional accuracy and superior surface quality (finished pipe roughness value Ra ≤ 0.5) in accordance with modern standards for high-tech industries.

Cold Rolling Mill KhPT 10-45

Year of commissioning: 2020 - 2025 y.

Investments: $2 600 000

Mill Capacity: 11 million meters of pipes per year.

The use of a long working stand stroke, modern curvilinear tool passes, and liquid process lubricants ensures high surface quality, precise pipe dimensions, and high productivity. The mill's product range in terms of rolled pipe diameter: 10 to 45 mm.

Cold Rolling Mill LG 60

Year of commissioning: 2025 y.

Investments: $2 600 000

Mill Capacity: 11 million meters of pipes per year.

The use of a long working stand stroke, modern curvilinear tool passes, and liquid process lubricants ensures high surface quality, precise pipe dimensions, and high productivity. The mill's product range in terms of rolled pipe diameter: 32 to 60 mm.

Cold Rolling Mill LG 100

Year of commissioning: 2025 y.

Investments: $2 600 000

Mill Capacity: 11 million meters of pipes per year.

The use of a long working stand stroke, modern curvilinear tool passes, and liquid process lubricants ensures high surface quality, precise pipe dimensions, and high productivity. The mill's product range in terms of rolled pipe diameter: 48 to 100 mm.

Cold Rolling Mill LG 110

Year of commissioning: 2025 y.

Investments: $2 600 000

Mill Capacity: 11 million meters of pipes per year.

The use of a long working stand stroke, modern curvilinear tool passes, and liquid process lubricants ensures high surface quality, precise pipe dimensions, and high productivity. The mill's product range in terms of rolled pipe diameter: 48 to 114 mm.

Reika RRM 100 offers high-precision geometry along the entire tube length by setting the straightening parameters depending on the actual dimensions and material automatically. The straightener’s operation is aligned with the RPS 376 grinder and the Prestar line. They are integrated into an automated finishing and testing line.

RRM 100

Year of commissioning: 2016 y.

Investments: $534 760

Hourly capacity: 180 tubes.

Reika RRM 100 used in the finishing process ensures overall straightness and stable mechanical properties throughout the surface.

Three HEMO pipe degreasing units guarantee the removal of all lubricant residues from the pipe surface. Vacuum drying has a positive effect on surface quality during non-oxidative heat treatment of pipes.

HEMO degreasing machine

Year of commissioning: 2021-2025 y.

Investments: $9 800 000

Equipment Capacity: 18 thousand tons of pipes per year.

The use of the automatic HEMO unit for pipe degreasing guarantees the customer pipe resistance to intercrystalline corrosion.

The automatic pipe finishing and acceptance lines consist of equipment designed for comprehensive inspection, sample taking, cutting, and marking of pipes. Each pipe entering the inspection complex is marked with a unique, non-repeating number using barcode coding. This number is automatically identified at each inspection operation. Every pipe that passes the finished product inspection and meets all evaluation criteria receives an individual certificate.

Prestar Finishing Line 10-30

Year of commissioning: 2021 y.

Investments: $2 807 490

Line Capacity: Thanks to the implementation of this complex, the process productivity has increased to 750 meters per hour — 5.4 million meters per year.

Finishing and acceptance of pipes on the Prestar Projekt A20001 line guarantees the customer not only products with high surface quality, precise geometric dimensions, and various types of marking, but also the execution of a comprehensive set of non-destructive testing of the pipes.

Finishing Line 20-60

Year of commissioning: 2025 y.

Investments: $11 726 091

Line Capacity: 5.5 million meters of pipes per year.

The operating principles and advantages such as high surface quality, automated processes, and versatility make this pipe finishing line a key element in modern high-quality production.

Finishing Line 6-25

Year of commissioning: 2025 y.

Investments: $11 726 091

Line Capacity: 5.5 million meters of pipes per year.

The operating principles and advantages such as high surface quality, automated processes, and versatility make this pipe finishing line a key element in modern high-quality production.

High-performance grinding machines from LOESER GmbH (Germany), a leading industrial equipment vendor, provide the quality of outer surface that meets the requirements of our domestic and international customers.

RPS 376

Year of commissioning: 2016 y.

Investments: $1 124 020

The new equipment has allowed us to boost annual capacity by eight times to 2.2 million metres.

Tubes grinded on our RPS 376 machine feature a high-quality outer surface on par with those undergoing electrochemical polishing.

RPS 377

Year of commissioning: 2020 y.

Investments: $1 829 800

When the grinder was put into operation, it doubled our annual grinding capacity to 300,000 metres.

With RPS 377 used for grinding cold- and hot-finished large-diameter tubes, we launched a new product – tubes of up to 159 mm in diameter with a ground outer surface.

New equipment was used to upgrade our non-destructive testing systems. It enables ultrasonic testing for both longitudinal and transverse defects and laminations. UKV-25.VS is a comprehensive testing system that is capable of performing ultrasonic and eddy current tests (ECT), as well as measuring tube dimensions and grit size. All parameters are indicated in a certificate issued for each tube after testing.

UKV-25.VS

Year of commissioning: 2021 y.

Investments: $481 284

Annual capacity: 4.5 million metres.

We can provide a certificate for each tube that has been tested using UKV-25.VS. This certificate furnishes information, in both graphical and absolute form, about the tube’s surface in terms of longitudinal and transverse defects, ECT-detected flaws, actual diameter and wall thickness, and structure along its entire length.

We inspect inner pipe surfaces and sense inner eddy currents with an automated solution by Russia’s AVEK. Based on the Mentor Visual iQ video borescope by GE and the MIZ-200 instrument by Zetec (both companies are headquartered in the USA), it supports imaging and video recording during inspection (with test results linked to each pipe’s unique identifier) and a special ECT procedure for pipes to be used at nuclear power plants.

Inner surface inspector (based on Mentor Visual iQ)

Year of commissioning: 2021 y.

Investments: $147 059

Annual capacity: 5.4 million metres.

After a pipe is examined, the customer can obtain images and video footage taken by our inner surface inspector.

ECT system (based on MIZ-200)

Year of commissioning: 2021 y.

Investments: $213 904

Annual capacity: 5.4 million metres.

This system uses special software to automatically assess pipe quality.

Automated lines have been implemented for processing long-length pipes up to 19 meters in length. The new equipment enables descaling, removal of cutting fluids, post-sandblasting treatment and electrochemical polishing, achieving a matte finish, and removing lubricant after drawing and after the cold rolling mill. The production lines are equipped with a station for preparing and adjusting solutions. To clean exhaust aerosols and gases from the pickling baths, wet scrubbers are provided, equipped with primary and backup booster fans, ensuring compliance with environmental impact regulations and preventing greenhouse gas emissions during production.

Pickling Department Modernization

Year of commissioning: 2025 y.

Investments: $15 634 788

Capacity (considering recurring operations): 27,689 tons of pipes per year.

Automation significantly increases the volume of pipe processing per unit of time, facilitating the fulfillment of large orders and reducing production lead times. Improved processing quality and precise adherence to technological processes ensure uniformity of the treated pipe surfaces.