Steel Division

Heavy plates made of thermomechanically rolled fine-grained structural steel.

We supply standard and high-strength, thermomechanically rolled, fine-grained steels of the highest quality with minimum yield strengths ranging from 355 355 MPa to 700 MPa.

As a special grade of voestalpine steel, alform® is primarily used in applications such as steel structures, bridges, pressure pipes, vehicles and cranes.

Our thermomechanically rolled fine-grained steels are characterized by a high degree of toughness and excellent weldability. The low degree of cold cracking and high degree of toughness in the welding seam result in the highest safety standards in welded structures.

Utilization of the higher yield strength of high-strength fine-grained steels (alform plate 420 M, 460M, 500 M and 550 M) as opposed to conventional structural steels results in lower cross-sections. This leads to cost savings in lower component weights and reduced expenditures for transports, assembly and foundations as well as savings in component manufacturing, especially during welding.

Steel grades:

Special voestalpine grade

alform plate 355 M

alform plate 420 M

alform plate 460 M

alform plate 500 M

alform plate 550 M

Thermomechanically rolled fine-grained structural steel

rolled in accordance with EN 10025-4

S355M, ML

S420M, ML

S460M, ML

Dimensions:

Plate thickness:

8-100 mm for special voestalpine grade alform plate 355 M, alform plate 420 M and alform plate 460 M

8-80 mm for special voestalpine grade alform plate 500 M

8-50 mm for special voestalpine grade alform plate 550 M

8-100 mm for S355, S420, S460 M, ML

Plate width

3,800 mm max. (dependent on thickness and steel grade)

Plate length

18,700 mm max. (dependent on thickness and steel grade; 24,000 mm available upon request)

Ordered weight

At least 20.0 tons per line item

Unit weight

20.0 tons max. per single plate

Advantages of alform®
  • Fine-grained, homogeneous microstructure with high strength and excellent toughness
  • Best weldability based on low C equivalent
  • Excellent edging: smallest edging radii and resistance to cracking during edging
  • Best surface resulting from a uniform and thin secondary scale layer
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Offshore voestalpine

Offshore

Whether in the Gulf of Mexico, in the North Sea or the Arctic, we deliver worldwide high-quality offshore structural steels according to offshore standards EN 10225 (including NORSOK) and API as well as to a variety of other international standards and specifications.

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Offshore

Made for harshest conditions

Whether in the Gulf of Mexico, in the North Sea or the Arctic, our thermomechanically rolled structural steels for the offshore industry are used worldwide. We deliver high-quality offshore structural steels for fixed and floating offshore platforms according to offshore standards EN 10225 (including NORSOK) and API as well as to a variety of other international standards and specifications.

Offshore plates for oil & gas

Our offshore plates for the oil & gas industry are used worldwide under the harshest conditions. Living continuous development of new products to meet more stringent requirements, we are able to provide prequalified arctic steel for extremely low temperatures. Using toughcore® TMCP plates with extreme high toughness, you are able to increase the level of safety for your offshore structure up to 140 mm thickness.

High-quality plates for efficient electric power generation

Larger monopiles require higher unit weights in cylindrical and tapered pipe lengths. We achieve these weights by welding together two to three plates and call the new unit an XL plate. This highly efficient and innovative welding technique utilizes a four-wire submerged arc welding system capable of producing up to 60-ton unit weights. 

These heavy units meet the growing requirements of offshore wind parks.

voestalpine Qualitätsbleche für die effiziente Stromerzeugung

High-strength plates

As structures and machines become larger, the stresses in the components increase. High-strength steels with minimum yield strengths of 700 MPa or even higher up to 1100 MPa are capable of supporting these higher stresses and simultaneously lead to a decrease in the weight of structural members.

Thermomechanically rolled high-strength fine-grained steels combine excellent toughness with a very low carbon content and the low carbon equivalent and for an optimized weldability.

Shipbuilding steel plates

Our shipbuilding steel plates in normal and high-strength grades are used in offshore applications, platform  superstructures and for special ships in the oil and gas industries, such as floating production storage and offloading vessels (FPSO) and even stainless steel clad plates for icebreakers. 

We offer a wide range of dimensions and grades with best workability for ship manufacture, especially for welding: steel grades up to FH 36 and plates up to 140 mm thick and 3,950 mm wide. High-strength shipbuilding plates are certified e.g. by ABS in FQ70 up to 101.6 mm (4").

voestalpine Grobbleche für den Schiffbau

Chords & racks

In addition to supplying heavy plates, heads and cones, we produce specific pressed parts for the offshore industry. In a specially designed production process, we manufacture high-strength hot-formed components called chords for jack-up rigs. Additionally we offer extremely thick plates for gear racks.


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Apparatebau voestalpine

Apparatebau

We are the world’s only single-source supplier of shell plates, heads and cones in carbon steel and roll-bonded clad plate and we are able to provide optimized workability and lower expense for our customers.

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Apparatebau

Exploring the limits of performance down to -196 °C

“We are your reliable partner in the supply of steels for pressure vessels, apparatuses and power generation equipment, understand our customers and provide the quality they need” As the world’s only single-source supplier of shell plates, heads and cones in carbon steel and roll-bonded clad plates, we are able to provide optimized workability and lower expense for our customers.

voestalpine High-quality package

A high-quality package

We are a single-source supplier of shell plates, heads and cones made of plain carbon steel, in roll-bonded clad design and for sour service. 

Reduce the wall thickness of your componens by using our high-strength CrMo and CrMoV steel und chose your ideal plates dimension up to 200 mm in thickness and 24 tons per plate.

 

Cryogenic nickel plates

We offer 5%- and 9%-nickel steels according to EN 10028-4 and ASTM 553 in plate thickness range up to 70 mm, width up to 3,800 mm, length up to 12,700 mm and up to 13 tons per single plate. 

The revision of API Standard 620 in 2018 has made it possible to use ASTM steel grades A 645 Gr A and Gr B for the construction of ethylene, LPG or LNG tanks. Our state-of-the-art production facilities make it possible for us to manufacture both steel grades A 645 Gr A and Gr B as well as conventional 5% and 9% nickel steels.

voestalpine unsere Antwort auf Korrosion

Our answer to corrosion

Clad plates are the economic alternative to expensive high-alloy and non-clad plates. Roll-bonded clad plates are our answer to corrosion and explosion. 

With a cladding capacity of 60,000 tons a year, we are World´s leading producer of roll-bonded clad plates.

Broad range of expertise

We supply steel plates and material expertise for the penstocks of hydro-power stations and provide high-strength heavy plates as fine-grained steels with a minimum yield strength of 700 MPa in TMCP, direct-quenched and tempered or quenched and tempered condition. 

In a first-time application of high-strength TMCP steel, special-grade alform plate 700 M of voestalpine was successfully used in the penstock of the Reisseck pumped-storage hydro-power station in Austria.

voestalpine Böden und Konen, Qualitätspressteile

Heads and cones, high quality pressed parts

Offering shell plates, heads and cones from a single source, made of carbon steel and roll-bonded clad plates.

In our own Single-part and multi-part heads and cones, special pressed parts

We manufacture custom-made heads as a single part or welded from multiple parts. Multi-part heads and cones are available in head gauges of up to 160 mm and diameters of up to 14,000 mm.


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Stahlbau voestalpine

Stahlbau

Our thermomechanically rolled steel grades are the key to efficient steel structures and provide potentially high savings in welding or maintenance.

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Stahlbau

Customer-oriented partnerships and tailored solutions in the steel construction industry

Our thermomechanically rolled steel grades and weather-resistant structural steels set benchmarks with respect to their best processing properties and consistently high quality. They are the key to efficient steel structures and provide potentially high savings in welding and maintenance. Industryspecific material and manufacturing expertise, comprehensive preprocessing possibilities, reliability and relationships based on trust make us a trusted partner to the European steel construction industry.

We supply higher strength & lighter weight

alform® heavy plates find their applications wherever high workability and weldability coupled with high strength and weight savings are in demand. Utilization of the higher yield strength of high-strength fine-grained steels as opposed to conventional structural steels results in lower cross-sections. This leads on the one hand to cost savings in lower component weights as well as reduced expenditures for transports, assembly, foundations, component manufacturing, especially in welding as a result of minimized seam cross-sections.

Elimination of paint coating and maintenance

The alloying of small amounts of phosphorus, copper, nickel, chromium or molybdenum leads to the formation of a protective layer on weather-resistant steel outdoors. This layer protects the steel from further corrosion. Weather-resistant structural steels thus provide cost advantages as no anti-corrosion coating or maintenance required of the protective coating is required.

voestalpine Vermeidung von Korrosionsschutzanstrich und Wartung

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toughcore®

toughcore®

Heavy plates with a fine microstructure to the very core, created for extremely high toughness and the most adverse environments.

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alform®

alform®

alform® is a hot-rolled fine-grained steel with excellent cold-forming properties and excellent weldability.

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