Whether for the construction of pipelines, offshore platforms and wind-power installations, pressure vessels or other steel fabrications – Dillinger's thermomechanically rolled plate convinces users with its high mechanical strength and toughness, combined with efficient workability and weldability.
Thermomechanical rolling serves the purpose of shaping a heavy plate and systematically adjusting its mechanical properties. This is a controlled process, extending from slab reheating, via rolling, up to and including (accelerated) cooling and, where necessary, tempering. Rolling is performed in accordance with a defined rolling-pass schedule, with finish rolling in the non-recrystallised austenite or austenite-ferrite two-phase region. The essential effects of thermomechanical rolling are based on micro-alloying with, for example, Nb. The main aim of all mechanisms used in thermomechanical rolling is the attainment of the finest possible grain, this being the necessary basis for the combination of high mechanical strength and toughness with only low alloying-element contents.
Innovative top-quality steel products, total orientation around our customers' needs and unceasing technological development in close cooperation with our partners form the basis of our success - as they have for more than 333 years.
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