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Development and results of a 400 mm thick slab caster
Pages: 51-56
Year: Issue:  6
Journal: World Iron & Steel

Keyword:  thick slabplateDynaGap Soft ReductionDynacs 3DI-Star Revolver;
Abstract: Watching the demand of steel industry customers shows the trend towards high demanding applications for heavy plates and pipe grades. These demands challenging plant designers and producers along the whole production route. Siemens VAI has been facing these demands and developed new concepts of bow type casters with straight mould for a thickness range of 250 to 400 mm and a width range of 1 600 to 2 400 mm. In 2010 the world’s first bow type caster producing 400 mm thick slabs went into operation at Shougang Qinhuangdao in PRC. This caster type has a bow radius of 11 m and a vertical length-straightening is done continuously with liquid core. Latest state of the art technology like adjustable spray nozzles( 3D Sprays) as well as I-Star Revolver rollers and latest process models like Dynacs 3D and DynaGap Soft Reductionare used in order to achieve optimum quality of the slabs for these challenging product sizes. This paper deals with the caster concept itself and the operational results of the first installation.
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