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Mannesmann Stainless Tubes GmbH

Wiesenstr. 36, 45473 Mülheim an der Ruhr
Germany
Telephone +49 208 458-0
Fax +49 208 458-2640
info@mst.mannesmann.com

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This company is co-exhibitor of
Salzgitter AG

Hall map

Tube 2022 hall map (Hall 4): stand H42

Fairground map

Tube 2022 fairground map: Hall 4

Our range of products

Product categories

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.01  Seamless tubes made of ferrous metals
  • 04.01.02  Seamless tubes made of steel
  • 04.01.02.02  Seamless tubes made of ferritic stainless steel
  • 04  Tubes, pipes, tube products and tube accessories
  • 04.01  Seamless tubes made of ferrous metals
  • 04.01.02  Seamless tubes made of steel
  • 04.01.02.03  Seamless tubes made of austenitic stainless steel
  • 04  Tubes, pipes, tube products and tube accessories
  • 04.06  Other metallic tubes
  • 04.06.08  Precision tubes

Precision tubes

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.06  Other metallic tubes
  • 04.06.18  Extruded tubes

Extruded tubes

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.06  Other metallic tubes
  • 04.06.19  Pilger tubes

Pilger tubes

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.09  Tubes in relation to the application
  • 04.09.01  Installation pipes and tubes
  • 04.09.01.05  Installation tubes for heat exchange and transfer systems

Installation tubes for heat exchange and transfer systems

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.09  Tubes in relation to the application
  • 04.09.01  Installation pipes and tubes
  • 04.09.01.06  Installation tubes for chemical plants

Installation tubes for chemical plants

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.09  Tubes in relation to the application
  • 04.09.01  Installation pipes and tubes
  • 04.09.01.07  Installation tubes for nuclear power plants

Installation tubes for nuclear power plants

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.09  Tubes in relation to the application
  • 04.09.01  Installation pipes and tubes
  • 04.09.01.08  Installation tubes for mechanical engineering (hydraulics, pneumatics)

Installation tubes for mechanical engineering (hydraulics, pneumatics)

Our products

Product category: Seamless tubes made of ferritic stainless steel, Seamless tubes made of austenitic stainless steel

Corrosion resistant stainless steels, Austenitic-ferritic stainless steels

Austenitic-ferritic stainless steels (duplex steels) are characterised by their excellent mechanical properties, particularly their high resistance to stress corrosion cracking. They are especially well-suited for seawater applications and in the chemical industry. Their excellent resistance to corrosion enables them to withstand a chloride medium, particularly under mechanical stress. This makes them superior to austenitic steels in many cases.

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Product category: Seamless tubes made of ferritic stainless steel

Corrosion resistant stainless steels

The category of austenitic corrosion resistant stainless steels primarily includes materials with higher alloy content (e.g. nickel, chrome and molybdenum). They are resistant to different types of corrosion caused by wet chemical influences, and are still able to maintain an austenitic face-centered cubic matrix. This creates a range of highly versatile stainless steels.
 

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Product category: Seamless tubes made of ferritic stainless steel, Seamless tubes made of austenitic stainless steel

Corrosion resistant nickel based alloys

Nickel's high degree of corrosion resistance is due to the fact that it is a relatively noble metal within the galvanic electrochemical series of metals.
Adding chromium, molybdenum, copper and other elements to the alloys gives them an even higher resistance to oxidation and corrosion which makes it possible to use them in a wider range of applications. Seamless tubes and pipes made of corrosion resistant nickel alloys are the first choice for a lot of applications due to their excellent resistance to various acids (sulphuric acid, hydrochloric acid, phosphoric acid) and alkaline solutions.

High temperature nickel based alloys
A further increase of specific alloy elements (such as chromium, molybdenum, tungsten, titanium, aluminium, niobium, etc.) improves the high temperature, high strength characteristics of austenitic steels. The disadvantage of austenitic stainless steels occurs in the fact that these elements have a reduced solubility. In order to compensate this effect and to reach the desired result, the nickel concentration can be increased. The highest alloyed types of high temperature nickel based alloys contain only a very low iron concentration.

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About us

Company portrait

Mannesmann Stainless Tubes GmbH belongs to the worldwide leading manufacturers of seamless stainless steel and nickel-based alloy tubes and pipes.

Our company has one of the largest product portfolios in this sector, combining highest corrosion resistance, heat resistance and/or high-temperature, high­strength materials:
- From small instrumentation tubing to large pipe sizes with outside diameters from 6 to 273 mm (from 0.24 up to 10.752 inches) and with wall thicknesses from 0.5 up to 50 mm (from 0.02 up to 1.97 inches)
- In materials from standard austenitic stainless, duplex and super-duplex steels to highly sophisticated nickel-based alloys

lt is our priority to establish and maintain positive long-term relationships with our business partners.
In short: "Quality in round terms "

Ongoing cycles of investment ensure that we work according to the latest technical standards. This gives us the trustworthiness to equip the so called “critical spots" of customers’ plants, products and processes with the special qualities of our tubes and pipes

Typically, these critical service conditions are defined e.g. by
- high temperatures
- high pressure
- aggressive media (acids or basic)

Typical application areas

Our tubes and pipes come into operation mainly in the following sectors:

- Instrumentation Tubes
Used in several market segments (e.g. chemical, Oil & Gas, ...) for analyser systems, measurement instruments and hydraulic circuits

- Boiler Tubes
In power generation plants in applications such as reheaters and superheaters

- Furnace Tubes
Industrial furnaces and similar applications demand our heat-, high temperature- and corrosion resistant austenitic steel (usually with high carbon contents) and nickel-based alloys

- Oil and Gas Tubes
OCTG (Oil Country Tubular Goods)
Onshore and offshore oil and gas exploration and production need special tubular products to cope with high pressure and/or high temperature conditions as well as will highly aggressive substances
Umbilical Tubes
Subsea applications have to withstand aggressive sea water and must be essentially inert to the commonly used fluids transmitted through the tubes
Other Upstream and Downstream Applications
These comprise e.g. Risers, Flowlines and Line pipes

- Hollow Bar and Mechanical Tubes and Pipes
Our tubes as highly efficient quality raw material for radially machined components and a favorable alternative to use of solid bars

- Heat Exchanger Tubes
Serving e.g. refineries, (petro-)chemical and pharmaceutical industries as well as fertilizer production and food industries

Apart from the above mentioned special applications, we also offer tubes for general use and different corrosion and heat resistant applications.

Mannesmann Stainless Tubes products are exported all over the world for use within plants, products and processes, e.g. in:
- Onshore and Offshore Oil and Gas industry
- Chemical and petrochemical Industry
- Energy and power generation
- Mechanical- and plant engineering
- Machine tool manufacturing
- Automotive Industry
- Environmental engineering (water treatment and waste incineration)
- Nuclear Industry
- Shipping Industry
- Food processing Industry
- Coal gasification
- Fertilizer production
- Environmental protection
- Aerospace Industry
- Naval engineering
- Biotechnology
- Analytical and medical technology