Železiarne Podbrezová Steel Tubing for Power Engineering

Modern thermal systems (including steam generators in nuclear power plants) work with a high level of effectiveness and require suitable construction materials in order for them to be safe and work without any problems for a long period of time. Steel tubes are important construction materials used in these types of facilities.

Steel tubes for power generating facilities

Železiarne Podbrezová produces a wide range of steel tubes. Tubes for power generating facilities (frequently referred to as boiler tubes) are from the set standards point of view classified into a group of tubes for pressure usage at higher temperatures.

Production and testing of these tubes goes through a very tough screening process. In terms of European Standards this is a three-level structure. The appropriate directive for pressure equipment is at the level of being a law. This is closely connected with the whole set of standards for construction of appropriate power generating facilities and they in turn determine the standards for individual construction materials (tubes, sheets, etc.). Producers and suppliers of tubes must have the proper certification for the system and production.

Pressure seamless steel tubes

Železiarne Podbrezová produces pressure seamless steel tubes according to EN 10216 standards (except steel tubes made out of rust-resistant steels) and their corresponding standards and directives.

Tubes for pressure services have a wide application in many industries. Use for a particular kind of tube (depending on pressure value, temperature and the kind of transported medium) is specified in the appropriate regulations for pressure services.

Boiler tubes

Boiler tubes are used for power plant construction, such as boiler components and steam superheaters in power plants, heating plants and boiler rooms.

Heat exchanger tubes

Heat exchanger tubes are used mainly for heat exchangers in which energy is transferred from one medium to another. This heat transfer can be combined with or without medium phase change. Heat exchanger tubes are used in the power and chemical industries and in heating or air conditioning devices.

Tubes for heat exchangers are supplied as cold drawn and can be delivered with internal riffling.

Fine grain steel tubes

Železiarne Podbrezová produces fine grain steel tubes. These pressure services tubes are made from steel with feritic grain size 6 and less. Fine grain steel tubes are used when the required characteristic of impact strength should be guaranteed.

Steel tubes for low temperature

We also manufacture steel tubes that are suitable for use in apparatus and appliances using low temperatures.

Steel tube grades

Here is a brief overview of the technical parameters of steel tubes we supply:

  • Carbon steel: St 35.8, St 45.8, P 235GH, P 265GH (DIN, EN), Grade A, Grade B, Grade C, according to US standards
  • Mo steel: 15Mo3, 16Mo3, T1, T1a, T1b (DIN / EN / US)
  • Cr-Mo steel: 13CrMo4 4, 13CrMo4-5, T12, P12, 10CrMo9 10, 10CrMo9-10, X11CrMo9-1, T22, P22, 7CrMoVTiB10-10, T24, (X11CrMo5, T5)
  • Cr-Mo-V steel: 14MoV6 3, 14MoV6-3
  • Cr-Mo-V-Nb steel: X10CrMoVNb9-1, T91, P91

Other steel is available as per agreement.

Seamless steel tube dimensions

The means of production and dimension interval of our seamless steel tubes are as follows.

Hot rolled:

  • OD: 21.3mm – 139.7mm
  • Wall: 2.3mm – 12.5mm (depending on the D)
  • Length: commonly 5m – 6m, as per agreement 22m or 24m

Cold drawn:

  • OD: 12.7mm – 76.2mm
  • Wall: 0.89mm – 5.6mm
  • Length: commonly 5m – 6m, as per agreement up to 18.3m

Comments regarding the dimensional assortment:

  • After agreement we can make steel tubes according to US standards
  • After agreement we can also make steel tubes that are cold drawn with other dimensions
  • Besides boiler tubes we also deliver heat exchanger steel tubes as drawn tubes for low and high temperatures

Production and testing of steel tubes

Tubes for all segments of power engineering and machinery are delivered according to the appropriate CSN (STN) DIN, EN, ASTM A, ASME SA, GOST, JIS standards and others. In EU countries we should not be using the original national standards but the EN standards.

Železiarne Podbrezová owns all necessary system and production certificates and has the necessary technological equipment for production and testing of steel tubes used in power generating plants.

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Press Release

ŽP Research and Development Centre Ltd

Company Zeleziarne HAS established a subsidiary company ZP VVC Ltd. Its goal is to professionalize the research and development activities with a focus on manufacturing programme of ZP but also other companies in the ZP GROUP. Finally, it is expected that the research and development activities will be for external customers too.

White Papers

Structure and Tube Properties from Steel Grade X10CrMoVNb9-1

In recent years Železiarne Podbrezová has begun production of tube steel grade X10CrMoVNb9-1, which is designed for use in ultrasupercritical conditions in energy plants and up to temperatures of 620°C at an operating load to 30 MPa.

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Press Release

2 March 2012

Company Zeleziarne HAS established a subsidiary company ZP VVC Ltd. Its goal is to professionalize the research and development activities with a focus on manufacturing programme of ZP but also other companies in the ZP GROUP. Finally, it is expected that the research and development activities will be for external customers too.

Read more
20 February 2012

Economic pressure to deliver energy at the lowest possible prices forces operators of electric power plants to increase their efficiency by means of increasing the temperature and steam pressure.

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24 October 2011

Tubes with interior ribbing are intended for high-performance steam generators, for high-pressure boilers and are also used for burners in the equipment.

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14 July 2011

Economic pressure is forcing power plant operators to increase their effectiveness by increasing temperature and steam pressure to provide energy at the lowest prices possible. For current power stations, the characteristic steam temperature at the turbine intake is between 540°C

Read more

Regional Offices

ŽP TRADE Bohemia AS

Ztracená 272

16100 Praha

Other

Czech Republic

+420 235302307 +420 235300760 www.zptrade.cz
TRANSMESA SA

Calle de la industria, 10

08330 Premia de Mar

Other

Spain

+34 93 7549200 +34 93 7523847 www.transmesa.com
SLOVRUR Sp. zoo

Brandwicka 138

37464 Stalowa Wola

Other

Poland

+48 15 8448045 +48 15 8420234 www.slovrur.pl
TS Steel Pipe and Fittings Srl

Via F. Ili Kenedy, snc

24060 Bagnatica (BG)

Other

Italy

+39 035 687560 +39 035 676278 www.tssteel.it
PIPEX Italia SpA

Via Paleocapa 10

28041 Arona

Other

Italy

+39 0322 235511 +39 0322 44659 www.pipex.it

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