A Traditional Company in the Harz Region

With a broad product range, the Ilsenburger Grobblech GmbH is one of the leading heavy plate mills in Europe.


With over 350 different steel grades with thicknesses ranging from 5 to 175 millimeters, we produce high-quality heavy plates for broadly diversified applications. 


Start your career with Ilsenburger Grobblech and become part of our great Team.

Achieving Visions

Being successful together. The individual wishes of our customers motivate us every day to deliver top performance. Trust our many years of experience and let us together make visions become reality.


Products & Services

SECURE Protection Steels

SECURE Protection Steels


Our SECURE Protection Steels offer protection for a wide range of applications and are characterized by scale-setting advantages.

Bild zu Artikel hochfeste Quartobleche aus Ilsenburg für Liebherr

High-strength quarto plates from Ilsenburg for Liebherr


Liebherr, a long-standing partner of Ilsenburger Grobblech GmbH, is one of the first customers to receive plates of the MAXIL® series produced in the world's most advanced heat treatment line at the Ilsenburg site.

BRINAR Protect - Sicherheitsstähle der Ilsenburger Grobblech GmbH

BRINAR® Protect


Our high-strength armoured steels BRINAR® Protect 02 and BRINAR® Protect 05 guarantee an increased resistance to ballistic impacts. The product brochures are available here.

Employees perspectives

Experts and Executives

Shaping the future together and driving progress.

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Career paths for women

We consider professional qualifications irrespective of gender.

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Career blog

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Ilsenburger Azubis pflanzen Bäume im Nationalpark Harz

Frank Gießelmann | 12. May 2022

Ende April an einem Freitag Morgen haben wir, 15 Auszubildende der Ilsenburger Grobblech GmbH des zweiten und dritten Lehrjahres, uns kurz vor neun Uhr am Parkplatz des Waldhotels ...

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