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METHOD FOR PRODUCING AUSTENITE STAINLESS STEEL SLAB
METHOD FOR PRODUCING AUSTENITE STAINLESS STEEL SLAB
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机译:奥氏体不锈钢坯的制造方法
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摘要
A method for producing an austenitic stainless steel slab by continuous casting of an austenitic stainless steel, including applying electric power to the molten steel in a depth region providing a solidification shell thickness of from 5 to 10 mm at least at a center position in the long edge direction, so as to cause flows in directions inverse to each other in the long edge direction on both long edge sides, thereby performing electro-magnetic stirring (EMS) to control a continuous casting condition satisfying 10ΔT50×FEMS+10. Herein, ΔT represents a difference between an average molten steel temperature (° C.) and a solidification starting temperature (° C.) of the molten steel, and FEMS represents a stirring intensity index shown by a function of a molten steel flow velocity in the long edge direction imparted by the electro-magnetic stirring and a casting velocity.
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