Blacksmith Works Gröditz
| Schmiedewerke Gröditz GmbH
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| legal form | GmbH |
| founding | 1779 |
| Seat | Gröditz |
| management |
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| Number of employees | 702 (as of end of 2016) |
| Branch | Metal industry and processing |
| Website | www.stahl-groeditz.de |
The forging Gröditz GmbH ( SWG ) is a company founded in 1779 forging with attached electric steel plant in Saxony Gröditz . The forging Gröditz GmbH provides forgings and rolled rings ago, the steel provides its own electric steel plant. The company is part of the GMH Group .
technology
In the electric steelworks, raw blocks are produced which are melted in a 50 t electric arc furnace , treated with secondary metallurgy in a ladle furnace and a VD / VOD ( vacuum oxygen decarburization ) system and cast in the sub-casting (max.block weight 75 t, technical capacity: approx. 125,000 tons /Year). Furthermore, blocks can be refined in an ESU system (double system with block take-off and electrode replacement technology; block weights between 3.8 t and 84 t). In the forge, in addition to steel bars, shaped forgings (discs, rings, hollow bodies, stepped forgings) are produced. Two open-die forging presses (27 MN and 60 MN with manipulators and integrated control) and various forging furnaces are used for this purpose. The ring rolling mill (carbide saws, band saws, rotary hearth furnace, reheating furnace, 30 MN piercing and upsetting press, 6.3 MN expanding press, radial-axial rolling machine) produces rings, wheel tires and flanges. Various systems are available in the company for heat treatment (bogie hearth, chamber and hood furnaces; oil, polymer and water treatment tanks) - both in a horizontal and vertical arrangement. Various center and vertical lathes, boring and milling machines and saws are available for mechanical pre-machining and finishing. Compliance with quality requirements is ensured through various material testing processes and non-destructive processes on automated systems.
history
In 1779 the Gröditz ironworks was founded by Count Detlev Carl von Einsiedel , and in 1825 the foundation stone was laid for the construction of a blast furnace in Gröditz . Two years later, in 1827, the company was already the leading manufacturer of pipes for water and gas pipes. In 1915, the construction of a Siemens-Martin plant began to melt high-quality steel for the production of wheel tires, axles and complete wheel sets. Shortly after the end of the First World War , the company therefore had a Siemens-Martin steelworks, foundries and a drum rolling mill as well as a forge for unit weights of up to 20 tons. Until the end of the Second World War, the company belonged to the Central German steelworks of Friedrich Flick . After the chaos of the Second World War and the dismantling of important production facilities, the reconstruction phase ended in 1954 with the commissioning of a 60 MN forging press. Melting operations at the first electric furnace in the steelworks had already started two years earlier. In the following years the company was constantly expanded and modernized. 1974 solved z. B. a modern ring rolling mill from the drum mill. After the re-establishment in 1990 by the Treuhandanstalt under the name Gröditzer Stahlwerke GmbH, a consolidation phase followed. An extensive investment program in all production areas then laid the foundation to meet customer-specific requirements for products of the highest quality and led the company to new markets in the years that followed. In 1996 a tool steel service center was opened in the Walzwerk Burg GmbH for the processing of forged slabs of the Gröditzer Stahlwerke GmbH, which was spun off as an independent company ( Gröditzer Werkzeugstahl Burg GmbH ) in 2005 . In 1997 the company was finally taken over by Georgsmarienhütte Holding GmbH , two years later the operating areas Edelstahl Gröditz and Stahlwerk Gröditz were founded, which in September 2002 culminated in the privatization of Schmiedewerke Gröditz GmbH and Elektrostahlwerke Gröditz GmbH . In August 2004 the steel foundry operated under the name Stahlguss Gröditz GmbH and has been part of the casting division of Georgsmarienhütte Holding GmbH since January 2006 . On March 5, 2015, the last mold casting batch was cast in the foundry's molding shop and the company was closed in the course of 2015 with the delivery of the last customer castings. In May 2006, the company acquired the Edelstahl GmbH JP Schumacher, which has been responsible for the sale of products under the name Gröditzer Vertriebsgesellschaft mbH in Willich since January 2008 .
literature
- Oliver Driesen : Black as slag, red as embers: the astonishing history of Georgsmarienhütte and its group of companies . Hoffmann and Campe Verlag, Hamburg 2006, 312 pages, ISBN 3-455-50004-8 .
- Paul Namyslik: Chronicle of the Röderstadt Gröditz . Meißner Tageblatt Verlags GmbH, Meißen 2005, 470 pages, ISBN 3-929705-11-7 .
- Brochure from Schmiedewerke Gröditz GmbH: [1]