Hüttenwerke Krupp Mannesmann GmbH (HKM) is one of Germany's foremost steel producers, operating a state-of-the-art integrated iron and steel plant in Duisburg-Huckingen. The company specializes in producing high-quality steel slabs for flat products and round continuously cast blooms for seamless tubes, catering to demanding sectors such as automotive, energy, pipe manufacturing, and heavy machinery. As a joint venture of ThyssenKrupp Steel Europe AG, Salzgitter Mannesmann GmbH, and Vallourec S.A., HKM leverages the combined expertise of its parent companies. It is committed to efficient, high-quality production and is actively pursuing strategies for sustainable and climate-neutral steelmaking, playing a vital role in the European steel industry.
The Duisburg site serves as the comprehensive operational center for HKM, encompassing all aspects of the business from raw material intake and processing, iron and steel production via blast furnaces and oxygen converters, continuous casting, to quality assurance, research and development, logistics, sales, and corporate administration.
The facility is a large-scale, integrated steelworks featuring two high-capacity blast furnaces, a modern basic oxygen steelmaking plant, advanced continuous casting lines for both slabs and round blooms (a unique capability in Europe for large-diameter round blooms), and its own Rhine harbor quay for efficient logistics. It's recognized as one of the most productive and efficient steel plants globally.
The work culture at HKM is deeply rooted in German industrial traditions, emphasizing technical proficiency, precision engineering, stringent safety standards, and a drive for continuous improvement. Collaboration, reliability, and a strong commitment to quality are core values within the workforce. There's also an increasing focus on innovation related to decarbonization.
HKM's Duisburg headquarters is highly significant as it represents one of Europe's largest and most technologically advanced steel production hubs. It is a major employer in the region, a critical supplier to numerous European industries, and a key player in the ongoing transition towards greener steel production technologies.
While Hüttenwerke Krupp Mannesmann GmbH's manufacturing operations are entirely consolidated at its single integrated site in Duisburg, Germany, its products serve a global market. The company's high-quality steel slabs and round blooms are distributed internationally, either directly to large industrial customers or through the extensive sales and distribution networks of its shareholder companies. HKM's steel is integral to supply chains across various sectors worldwide, including automotive, energy, and construction.
Ehinger Straße 200
Duisburg
North Rhine-Westphalia
Germany
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As of April 2025, Hüttenwerke Krupp Mannesmann GmbH' leadership includes:
Hüttenwerke Krupp Mannesmann GmbH has been backed by several prominent investors over the years, including:
In the last 12 months, Hüttenwerke Krupp Mannesmann GmbH experienced significant leadership changes. Dr. Dennis Grimm was appointed as the new Spokesman of the Management Board and Commercial Managing Director in November 2023, taking over from Henrik Schlüsener. Earlier in the year, Dr. Gerhard Erdmann, former Technical Director and Spokesman, retired in April 2023, with Dr. Carsten Hillmann subsequently assuming the role of Technical Managing Director in May 2023.
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The most common email format for Hüttenwerke Krupp Mannesmann GmbH (HKM) is believed to be [first_initial].[last_name]@hkm.de or [first_name].[last_name]@hkm.de. Variations might exist depending on internal naming conventions.
[first_initial].[last_name]@hkm.de or [first_name].[last_name]@hkm.de
Format
m.muster@hkm.de or max.mustermann@hkm.de
Example
70%
Success rate
stahl-online.de • October 26, 2023
Dr. Dennis Grimm will take over as spokesman for the management board and commercial director of Hüttenwerke Krupp Mannesmann (HKM) on November 1, 2023. He succeeds Henrik Schlüsener, who is leaving the company at the end of October....more
thyssenkrupp Steel Europe Newsroom • June 19, 2023
Thyssenkrupp Steel, Hüttenwerke Krupp Mannesmann (HKM), and Duisport are collaborating on a plan to establish a joint hydrogen infrastructure in the Port of Duisburg. This initiative aims to support the transition to climate-neutral steel production and decarbonize logistics operations in the region....more
HKM Website News • August 14, 2023
Hüttenwerke Krupp Mannesmann (HKM) welcomed 64 new apprentices at the beginning of the 2023 training year. This investment in young talent underscores HKM's commitment to developing a skilled workforce for its Duisburg steel plant across various technical and commercial professions....more
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