The most sustainable railway project in Austria (Carinthia) with Dillinger thermomechanically rolled plates

For more than 110 and 90 years respectively, the two hydroelectric power plants Lassach and Obervellach I have supplied the railway in the south of Austria with electricity. In the meantime, these power plants have reached the end of their technical service life and will be replaced by the new Obervellach II hydropower plant.

The new hydropower plant will generate about 125 GWh of electricity per year with a controlling power range of 38 MW. With the completion of Obervellach II, the energy output will be increased by 35 % compared to the aging hydropower plants.

Dillinger is supplying plates for the penstock with a diameter of 1.8 m and a gradient of 488 m. The penstock is the section of the hydroelectric power plant in which the water is led from the head to the turbine, where it generates electrical energy by means of a generator.

Dillinger was able to hold its own against renowned market competitors and prevail for the demanding project with thermomechanically rolled steels with high impact strength values at -20 °C, low carbon equivalent, as well as good tensile properties in the thickness direction. The steel grades in question are P355ML2 and P460ML2, which are characterised by very good mechanical-technological properties and particularly good processing possibilities.


Delivered quantity: 1,200 t

Steel grades: P355ML2, P460ML2

Plate thickness: 10‑80 mm
© Сергей Вовк - stock.adobe.com
Jörg Maffert
Marketing & Technical Support

Tel.: +49 6831 473612
Fax: +49 6831 473089
Philipp Ludwig
Sales Hydraulic engineering, Pressure vessel & Boiler construction, Shipbuilding incl. low temperature transport

Tel.: +49 6831 472472
Fax: +49 6831 47992685
Aktien-Gesellschaft der Dillinger Hüttenwerke, Werkstraße 1, 66763 Dillingen/Saar, Telefon: +49 6831 47 0, Telefax: +49 6831 47 2212, Sitz: Dillingen/Saar, Registergericht: Amtsgericht Saarbrücken HRB 23001, Vorsitzender des Aufsichtsrats: Reinhard Störmer, Vorstand: Stefan Rauber (Vors.), Joerg Disteldorf, Daniël Nicolaas van der Hout, Dr. Peter Maagh, Markus Lauer, Jonathan Weber

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