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《Iron and Steel》 2003-08
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EQUIPMENT OPTIMIZATION AND INVESTMENT OF THIN SLAB CASTING ROLLING IN CHINA

YIN Ruiyu(Central Iron and Steel Research Institute)  
Since the end of 1990's,the thin slab castingrolling route has been developed quickly in China.The capacity of thin slab castingrolling in China will be 20 %~30 % of that in globe in the near future.The features of the route in China are as follows:the first step is to produce hot strip thinner than 2 mm(0.8~1.8 mm for some companies) to divide the work reasonably with traditional route at the beginning period and then to promote strip output in China.The feature of the route is to match with the existing BFBOF process which is better than matching with EAF process for its fully use of rolling mill capacity and its cleaner quality.The most design capacity are 2.0~2.5 mil.t/a,even 2.8 mil.t/a for some steel plant recently.The attention is paid to optimizing the process parameters and domestic manufacturing of the imported equipments and reducing the investment. It's expected that the unit investment of thin slab castingrolling line can be reduced to about 1000 /t recently. 
【CateGory Index】: F426.3
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【References】
Chinese Journal Full-text Database 4 Hits
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【Secondary References】
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1 MA Xin-guang,ZHANG Yun-fei,LI Jun-ming(No.1 Steelmaking and Rolling Plant,Tangshan Iron and Steel Group Co.,Ltd.,Tangshan 063016,Hebei,China);Application of Thermal Imaging Figure of Mould to Predicting and Controlling Longitudinal Crack of Thin Slab[J];Iron & Steel;2007-06
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