Wednesday, January 19, 2011

Official  start of new works of ThyssenKrupp Steel in Alabama

The official opening of the new integrated works complex of ThyssenKrupp Steel USA and ThyssenKrupp Stainless USA took place in Calvert in the federal state of Alabama. The main supplier of the plants and equipment of ThyssenKrupp Steel USA was SMS Siemag, Germany.

The supply scope included a high-performance hot-strip rolling mill with an annual capacity of altogether 5.3 million t of steel strip, a combined pickling line and tandem cold rolling mill, a continuous pickling line, an innovatory acid regeneration plant, four hot-dip galvanizing lines with two furnaces and an offline skin-pass mill. In the stainless steel section, the SMS Siemag supply scope included a hotstrip pickling and annealing line.

The Plant and facilities erected by SMS Siemag will enable ThyssenKrupp Steel USA to produce a very wide range of steel strip. The main customers are the  domestic appliances, construction and tube-manufacturing industries as well as the automotive industry, in particular the large carmakers in close geographical proximity in the south of the USA.

The core component of the new plant complex is the high-performance hot-strip rolling mill with a capacity of altogether 5.3 million t of strip. The mill produces strip of high-quality steel grades, including multiphase steels and high-strength grades as well as around 1million t of stainless steel strip each year. The complete electrical and automation system was tested and optimized under the Plug & Work scheme at SMS Siemag already during the construction phase of the works. The operator training sessions were likewise able to start well ahead of commissioning and thus also contributed to a rapid run-up phase.

The pickling line/tandem cold mill supplied by SMS Siemag is currently the most powerful of its kind, with an annual capacity of 2.5 million t. Furthermore, cold-rolled strips that are subject to particularly stringent surface-quality demands are able to run through the offline skin-pass mill.

In  addition to the pickling line/tandem cold mill, 1.1 million t of hot strip can be treated in the continuous pickling line. The acid in both sections of the plant is conditioned by means of an innovatory acid regeneration Plant. The hydrothermal conditioning technology

2 comments:

Unknown said...

nice blog
and good explained keep it up
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Unknown said...

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