The 'state-of-the-art' slab caster for stainless steel in ThyssenKrupp Acciai Speciali Terni (TKAST), Italy

摘要

On April 23,2009, a new single strand slab caster at ThyssenKrupp Acciai Speciali Ternl (TKAST) was successfully started up with the first cast of AISI 304 grade in Terni plant, central Italy. TKAST is the Italian company of ThyssenKrupp Stainless group.The new caster is designed for a total capacity of approx. 900.000 tpy of stainless steel slabs covering the complete range of stainless grades, including AISI 300 and 400 families (austenitic, ferritic and martensltlc grades). This state of the art caster for the production of 215 mm thick slabs replaced an existing thin slab caster Installed In the late nineties by other supplier, which demonstrated to be unable to supply stainless steel slabs of acceptable quality, considering ThyssenKrupp standards, This paper resumes the reasons of the installation of the new plant designed, manufactured erected and commissioned by Daniell and describes the technological solution, main features as well as the excellent results of this state of the art caster,