Pittsburgh, PA, United States
Pittsburgh, PA, United States

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Humes D.M.,SMS Siemag | Korzi M.J.,SMS Siemag | Emling W.H.,SMS Siemag
Iron and Steel Technology | Year: 2010

Modernization projects can offer notable operating and maintenance improvements for a reasonable capital investment. This paper describes the design concepts and benefits of projects in the strand containment zone, from the moid through the final segment.


Shougang Jingtang has ordered two electrolytic tinning lines with soluble anodes for the economical and environment-friendly production of altogether 475 500 t of high-quality tinplate. Apart from sophisticated mechanical equipment, the lines are distinguished by a highly developed process section which itself contains a large number of innovative equipment items.


Hassel C.,SMS Siemag | Sprock A.,SMS Siemag | Kramer S.,SMS Siemag
AISTech - Iron and Steel Technology Conference Proceedings | Year: 2016

The demands placed on new materials with outstanding mechanical properties have significantly increased in recent years. High strength values and high demands placed on ductility determine the development of new materials. High-strength, lowalloy steel grades are often produced by means of thermo-mechanical rolling (TM rolling) and accelerated cooling. Combined with micro-alloy elements such as Nb, V or Ti, the grain size is reduced by means of targeted carbon nitride segregations, which leads to an improvement of the mechanical properties. The addition of alloying elements has a positive effect on the mechanical properties, but is often expensive. By means of intensified cooling, the mechanical properties can be modified significantly. In this way, it is possible to save alloying elements, which leads to a more cost-efficient production of high-strength steel grades. This paper describes the modification of a cooling section with the goal of obtaining significantly higher cooling rates. The higher cooling rates have an effect on the microstructure and therefore on the mechanical properties. Experiments have confirmed this. The gained increase in strength provides the possibility of implementing a simpler chemical composition, which leads to partial savings as regards alloying elements.

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