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Salzgitter Flachstahl GmbH


Salzgitter Flachstahl is the largest steel subsidiary in the Salzgitter Group. In 2015, more than 5,650 employees produced about 4.2 million tons of steel and generated a turnover of Euro 2.3 billion.

The most important customers for our flat-rolled products are cold rollers, vehicle manufacturers and their suppliers, manufacturers of both standard and large-diameter tubes, steel trading and the building industry. In an integrated iron-and-steel works, we produce hot-rolled strip, hot rolled sheets, cold-rolled sheet and surface-finished products ranging in thickness from 0.4 to 25 mm and up to a maximum width of 2,000 mm. The production program includes drawn, deep-drawn and special deep-drawn steels, structural and fine-grained steels, as well as high-strength steels.

SZFG operates an integrated iron and steel works. In order to provide the energy-intensive operation with energy and other media needed, experiences and expertise are clustered in the Energy Department. The area of activity comprises the following tasks:

  • structured procurement of electricity and natural gas

  • operation of a process gas power plant (300 MWel installed capacity)

  • the internal distribution via its own supply networks of electricity, natural gas and process gases, steam and district heating as well as the industrial gases oxygen, nitrogen, argon and hydrogen

  • maintenance and servicing of all media lines and their components such as pressure regulating stations, gasometers and compressors

Since 2009, within the context of the EnergyEfficiency project, savings potentials have been systematically identified and energy consumption reduced accordingly.

Our great energy efficiency is largely due to the production of cogeneration gases that derive from the coking plant, blast furnace and steel plant and are harnessed to generate electricity in our own power plant. Drawing on an energy control system, the power plant monitors the energy flows continuously and ensures that energy is used efficiently.

We generate more than 95 percent of our energy produced in the power plant from cogeneration gases and process steam, which occur as byproducts in our integrated steelworks.


SZFG will be the rSOC system operator including the preparation of the installation site and integrating the system into the existing infrastructure.

Salzgitter Flachstahl GmbH

Eisenhüttenstraße 99

38239 Salzgitter, Germany