A New Benchmark in Special Steel Casting: New Twin-Strand Vertical Caster at Posco Specialty Steel, Korea
The new Danieli 2-strand Vertical Caster(VCCM)producing 420×530mm sections is in operation at Posco Specialty Steel,Korea,casting a very wide range of carbon,stainless,and tool steel grades.Due to the peculiar grades produced,which are extremely difficult to cast,special solutions have been used,like: vertical casting,CFD simulations for tundish design,optimized mold taper and cooling design,Danieli patented INMO oscillating bench.Also mechanical soft reduction(MSR)and movable final stirrers(F-EMS)are optimized through dynamic set up based on real-time solidification model(LPC – Liquid Pool Control).As a consequence,good results were achieved for surface quality-with no need of scarfing-,internal quality-not only on high carbon grades but also on ULC austenitic stainless steels-,excellent equiaxial zone,centre porosity,and segregation indexes in all casting conditions.This paper describes the technological solutions used in the design and the implementation of the vertical caster,and the results achieved during the first year of operation.
vertical caster soft reduction movable stirrer
Antonio SGR(O) Marco RINALDI Giovanni ACCARDO
Danieli Centro Met,Danieli Officine Meccaniche SpA Via Nazionale 41,33042 Buttrio(Ud)Italy Danieli Service,Danieli Co.,Ltd. Eastern Seaboard Ind. Estate 64/210 Moo 4 Pluakdaeng,Rayong 21140 T
国际会议
the 6th International Congress on the Science and Technology of Steelmaking,ICS2015(第六届国际炼钢科技大会)
北京
英文
563-567
2015-05-12（万方平台首次上网日期，不代表论文的发表时间）