Salzgitter AG

Salzgitter AG is a German industrial group headquartered in Salzgitter, Lower Saxony, and one of Europe's significant steel producers. Its business is organized as a management holding company overseeing more than one hundred subsidiaries and associated companies. The group operates through four broad business areas: Steel Production, Steel Processing, Trading, and Technology. Steel remains the company's central activity. Its portfolio includes heavy structural steel sections, hot-rolled wide strip and other strip products, heavy and medium-weight plate, sheet steel, and related products. These materials serve construction, mechanical engineering, energy, automotive, infrastructure, and other industrial applications. Through processing and trading activities, the group also extends beyond primary steelmaking into distribution, fabrication, and customer-specific services. The corporate history reaches back to 1858, when Ilseder Hütte began operations near Peine in the Hanover region. The enterprise was established to produce pig iron from locally available ore, and its early ownership included regional landowners and merchants. It later became involved in coal mining in Westphalia to support its raw-material requirements. The company expanded through combinations and acquisitions but was affected by the economic difficulties of the 1970s. A major transformation occurred during the National Socialist period, when several companies were consolidated in 1937 into Reichswerke Hermann Göring. The Reichswerke became one of the largest industrial enterprises in the Third Reich. After the Second World War, the organization was liquidated in 1953. Its legal successor became the state-owned AG für Bergbau- und Hüttenbetrieb, which adopted the name Salzgitter AG in 1961. During the 1960s, the state-owned company was described as the world's largest state corporation. The group later combined steelmaking with broader industrial activities. In 1970, Salzgitter AG merged with Ilseder Hütte, reconnecting the corporate organization with the historical steel enterprise founded in 1858. In the 2000s, diversification became more prominent. The acquisition of Klöckner-Werke in 2007 gave Salzgitter exposure to industrial equipment and packaging technology through KHS. In 2008, it acquired SIG Beverages from the Swiss SIG packaging group, including Corpoplast, Asbofill, Plasmax, and Moldtec, thereby expanding its position in plastic-bottle and packaging technologies. Salzgitter also holds a 29.99% stake in Aurubis, described in the reference material as Europe's largest copper producer and the world's largest copper recycler. This investment gives the group exposure to non-ferrous metals and recycling in addition to its steel operations. Salzgitter AG became publicly traded in 1998. It entered the DAX in December 2008 and returned to the MDAX in June 2010. Since 2019, it has been included in the SDAX. The group presents itself as an international industrial enterprise rather than solely as a commodity steelmaker, combining materials production with processing, distribution, technology, and strategic investments. Its historical development has therefore moved from regional ironmaking and state ownership toward a listed, diversified industrial group, while steel remains its defining business and brand association.

Salzgitter AG's historical roots lie in Ilseder Hütte, founded in 1858 near Peine in the Hanover region. The enterprise was established to make pig iron from ore discovered in the area between Hanover and Magdeburg. Its initial shareholders were primarily local landowners and merchants. To secure fuel supplies for ironmaking, the company later became involved in coal mining in Westphalia. During the interwar period, Ilseder Hütte developed through expansion and corporate combinations. In 1937, it was incorporated with other firms into Reichswerke Hermann Göring. The Reichswerke became one of the largest industrial enterprises in the Third Reich, alongside other major German industrial groups. Following the Second World War, the Reichswerke structure was liquidated in 1953. Its legal successor was the state-owned AG für Bergbau- und Hüttenbetrieb, which was renamed Salzgitter AG in 1961. The state-owned Salzgitter organization became a major German industrial institution. During the 1960s it was characterized as the world's largest state-owned corporation. Its later development was influenced by the economic crisis of the 1970s, and in 1970 Salzgitter AG merged with the mining and steel company Ilseder Hütte. This transaction connected the newer state successor with the company from which much of the group's industrial history originated. Salzgitter subsequently broadened its activities beyond basic steelmaking. A significant step came in 2007, when it acquired Klöckner-Werke. The transaction brought the KHS filling and packaging business into the group and supported a strategy of entering additional industrial sectors. In 2008, Salzgitter acquired SIG Beverages from the Swiss SIG packaging group. The deal included Corpoplast, Asbofill, Plasmax, and Moldtec, increasing the group's presence in plastic-bottle and packaging technology. Plasmax was intended to be commercialized as a technology for improving barrier properties in PET bottles. The company became publicly listed in 1998. Its stock-market profile changed over time: Salzgitter entered the DAX in December 2008, moved back to the MDAX in June 2010, and has been part of the SDAX since 2019. In its current group structure, Salzgitter combines steel production, steel processing, trading, and technology under a management holding company. The group has more than one hundred subsidiaries and associated companies. Steel production remains its principal activity, with products including structural sections, hot-rolled wide strip, steel strip, heavy and medium-weight plate, and sheet steel. The group also owns 29.99% of Aurubis, giving it a strategic interest in European copper production and global copper recycling. Salzgitter's development therefore reflects a shift from regional ironmaking and state ownership to a listed, diversified industrial group whose principal identity remains rooted in steel.

1. 2019Inclusion in the SDAX

   Salzgitter AG became part of the SDAX and has remained associated with that index since 2019.

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2. 2010Return to the MDAX

   The company was removed from the DAX and returned to the MDAX in June.

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3. 2008Acquisition of SIG Beverages

   The acquisition of SIG Beverages and its subsidiaries expanded Salzgitter's presence in plastic-bottle and packaging technologies.

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4. 2008Entry into the DAX

   Salzgitter AG moved from the MDAX into the DAX in December.

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5. 2007Acquisition of Klöckner-Werke

   Salzgitter acquired Klöckner-Werke, adding the KHS filling and packaging business and broadening its industrial scope.

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6. 1998Salzgitter AG became publicly listed

   The company went public on the German stock exchange.

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7. 1970Salzgitter AG merged with Ilseder Hütte

   The merger reunited Salzgitter AG with the historical mining and steel company founded in 1858.

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8. 1961The successor adopted the Salzgitter AG name

   The state-owned AG für Bergbau- und Hüttenbetrieb was renamed Salzgitter AG.

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9. 1953The Reichswerke were liquidated

   The postwar legal reorganization dissolved the Reichswerke structure and led to a state-owned successor organization.

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10. 1937Companies were consolidated into Reichswerke Hermann Göring

    Ilseder Hütte and other enterprises were incorporated into the Reichswerke Hermann Göring industrial organization.

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11. 1858Ilseder Hütte began operations

    The historical predecessor Ilseder Hütte was established near Peine to produce pig iron from regional ore.

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A diversified European steel and industrial technology group combining primary steel production with processing, trading, packaging equipment, and strategic non-ferrous-metal exposure.

• Structural steel sectionsSteel products

  Heavy profile steel sections are among Salzgitter's principal steel products. They are used in structural and infrastructure applications where load-bearing performance and dimensional consistency are important. The product category reflects the group's role as an integrated European steel producer serving construction and industrial customers.

• Hot-rolled wide strip and steel stripFlat steel

  Salzgitter manufactures hot-rolled wide strip and other steel-strip products for downstream processing and industrial manufacturing. These products provide feedstock for applications requiring rolled steel in continuous or cut-to-size formats, including engineering, construction, energy, and general industrial uses.

• Steel plateFlat steel

  The group's plate portfolio includes heavy and medium-weight plates. Plate products are intended for demanding fabricated structures and industrial equipment, where thickness, strength, and processability are key purchasing criteria. The reference material identifies plate as a core part of Salzgitter's steel manufacturing activities.

• Sheet steelFlat steel

  Sheet steel is another principal product family. It supports a broad range of downstream manufacturing and fabrication applications and complements the group's strip and plate products. Specific grades, brands, and end-use specifications are not detailed in the supplied reference material.

• KHS filling and packaging technologyIndustrial technology2007

  KHS became part of Salzgitter through the 2007 acquisition of Klöckner-Werke. The business brought filling and packaging equipment into the group and represented a deliberate expansion beyond steel into industrial machinery and process technology.

• Plasmax technologyPackaging technology2008

  Plasmax was included in the 2008 acquisition of SIG Beverages. The technology was intended to improve the barrier properties of PET bottles, allowing packaging manufacturers to enhance protection against permeation while retaining plastic-bottle formats.

• 2008Acquisition of SIG BeveragesM&A

  The group continued its diversification into packaging and plastic-bottle technologies.

  What changed. Salzgitter acquired SIG Beverages from the Swiss SIG packaging group, including Corpoplast, Asbofill, Plasmax, and Moldtec.

  Aftermath. The acquisition increased Salzgitter's exposure to plastic-bottle manufacturing and packaging technology, including Plasmax barrier technology for PET bottles.

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• 2008Entry into the DAXOther

  Salzgitter's market capitalization and trading profile qualified it for inclusion in Germany's leading equity index.

  What changed. The company moved from the MDAX into the DAX in December 2008.

  Aftermath. It remained in the DAX until its return to the MDAX in June 2010.

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• 2007Acquisition of Klöckner-WerkeM&A

  Salzgitter sought to enter additional industrial sectors and reduce its reliance on steel production alone.

  What changed. It acquired Klöckner-Werke, bringing the KHS filling and packaging business into the group.

  Aftermath. The transaction expanded Salzgitter's technology activities into industrial filling and packaging equipment.

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• 2019Steel plate price-fixing investigation and fineControversy

  Germany's Federal Cartel Office concluded that Salzgitter AG, ThyssenKrupp, Voestalpine, and three individuals had agreed on certain surcharges for steel plates during the period from 2002 to 2016. The authority imposed combined fines of €646 million on the companies and individuals.

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• 2023Salzgitter advances SALCOS low-carbon steelmaking program

  Salzgitter continued preparations for replacing conventional steelmaking equipment with direct-reduction and electric-arc-furnace technology under its SALCOS transformation program.

  Product launch
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• 2023Salzgitter receives public support for decarbonization investment

  The German federal government and the state of Lower Saxony agreed support arrangements for Salzgitter’s planned transition to lower-emission steel production.

  Regulation
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• 2019Salzgitter AG became part of the SDAX

  Salzgitter AG has been included in Germany's SDAX small-cap index since 2019.

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• 2010Salzgitter AG returned to the MDAX

  The company was removed from the DAX and returned to the MDAX in June 2010.

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• 2008Salzgitter AG moved into the DAX index

  Salzgitter AG was promoted from the MDAX to Germany's DAX index of leading listed companies in December 2008.

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1. Salzgitter AG
2. Salzgitter AG official website
3. Salzgitter advances SALCOS low-carbon steelmaking program
4. Salzgitter receives public support for decarbonization investment